https://script.spoken-tutorial.org/index.php?action=history&feed=atom&title=Linux-AWK%2FC2%2FMore-on-Single-Dimensional-Array-in-awk%2FEnglish Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English - Revision history 2026-04-11T06:31:00Z Revision history for this page on the wiki MediaWiki 1.23.17 https://script.spoken-tutorial.org/index.php?title=Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English&diff=42749&oldid=prev Nancyvarkey: Nancyvarkey moved page Linux/C3/More-on-Single-Dimensional-Array-in-awk/English to Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English without leaving a redirect: New series 2018-03-22T11:07:40Z <p>Nancyvarkey moved page <a href="/index.php?title=Linux/C3/More-on-Single-Dimensional-Array-in-awk/English&amp;action=edit&amp;redlink=1" class="new" title="Linux/C3/More-on-Single-Dimensional-Array-in-awk/English (page does not exist)">Linux/C3/More-on-Single-Dimensional-Array-in-awk/English</a> to <a href="/index.php/Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English" title="Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English">Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English</a> without leaving a redirect: New series</p> <table class='diff diff-contentalign-left'> <tr style='vertical-align: top;'> <td colspan='1' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='1' style="background-color: white; color:black; text-align: center;">Revision as of 11:07, 22 March 2018</td> </tr><tr><td colspan='2' style='text-align: center;'><div class="mw-diff-empty">(No difference)</div> </td></tr></table> Nancyvarkey https://script.spoken-tutorial.org/index.php?title=Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English&diff=42512&oldid=prev Nancyvarkey: Nancyvarkey moved page Linux/C3/More-on-Single-Dimensional-Array/English to Linux/C3/More-on-Single-Dimensional-Array-in-awk/English without leaving a redirect 2018-02-23T02:20:57Z <p>Nancyvarkey moved page <a href="/index.php?title=Linux/C3/More-on-Single-Dimensional-Array/English&amp;action=edit&amp;redlink=1" class="new" title="Linux/C3/More-on-Single-Dimensional-Array/English (page does not exist)">Linux/C3/More-on-Single-Dimensional-Array/English</a> to <a href="/index.php?title=Linux/C3/More-on-Single-Dimensional-Array-in-awk/English&amp;action=edit&amp;redlink=1" class="new" title="Linux/C3/More-on-Single-Dimensional-Array-in-awk/English (page does not exist)">Linux/C3/More-on-Single-Dimensional-Array-in-awk/English</a> without leaving a redirect</p> <table class='diff diff-contentalign-left'> <tr style='vertical-align: top;'> <td colspan='1' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='1' style="background-color: white; color:black; text-align: center;">Revision as of 02:20, 23 February 2018</td> </tr><tr><td colspan='2' style='text-align: center;'><div class="mw-diff-empty">(No difference)</div> </td></tr></table> Nancyvarkey https://script.spoken-tutorial.org/index.php?title=Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English&diff=42453&oldid=prev Nancyvarkey at 07:43, 20 February 2018 2018-02-20T07:43:19Z <p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 07:43, 20 February 2018</td> </tr><tr><td colspan="2" class="diff-lineno">Line 13:</td> <td colspan="2" class="diff-lineno">Line 13:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; 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88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Using''' awk array '''with file</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* Using''' awk array '''with file</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; 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#000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| To record this tutorial, I am using &#160;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| To record this tutorial, I am using &#160;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; 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'''terminal''' by pressing '''Ctrl, Alt''' and '''T''' keys<ins class="diffchange diffchange-inline">.</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 156:</td> <td colspan="2" class="diff-lineno">Line 154:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''<del class="diffchange diffchange-inline">press </del>Enter'''</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">Press </ins>'''Enter'''</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 176:</td> <td colspan="2" class="diff-lineno">Line 174:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&lt;nowiki&gt;delete hra[&quot;S02&quot;] before for loop&lt;/nowiki&gt;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&lt;nowiki&gt;delete hra[&quot;S02&quot;] before for loop&lt;/nowiki&gt;</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Before the '''for loop''', <del class="diffchange diffchange-inline">Press </del>Enter and &#160;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Before the '''for loop''', <ins class="diffchange diffchange-inline">press '''</ins>Enter<ins class="diffchange diffchange-inline">''' </ins>and <ins class="diffchange diffchange-inline">type</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">type</del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&#160;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''delete space hra '''within square brackets within double quotes''''' S02'''</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''delete <del class="diffchange diffchange-inline">'''''</del>space<del class="diffchange diffchange-inline">''''' </del>hra <del class="diffchange diffchange-inline">''</del>'''within square brackets within double quotes''''' S02'''</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 191:</td> <td colspan="2" class="diff-lineno">Line 187:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&lt;nowiki&gt;[Enter]&lt;/nowiki&gt;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&lt;nowiki&gt;[Enter]&lt;/nowiki&gt;</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Let me clear the terminal.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Let me clear the <ins class="diffchange diffchange-inline">'''</ins>terminal<ins class="diffchange diffchange-inline">'''</ins>.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Press the Up arrow key to get the previously executed command &#160;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Press the Up arrow key to get the previously executed command<ins class="diffchange diffchange-inline">.</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td colspan="2" class="diff-lineno">Line 205:</td> <td colspan="2" class="diff-lineno">Line 201:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display slide 6</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display slide 6</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| * So, any '''array element '''can be deleted using the '''delete''' <del class="diffchange diffchange-inline">command</del>.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| &#160;</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>* You have to mention the '''array''' name<del class="diffchange diffchange-inline">''' '''</del>with the '''index'''.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* So, any '''array element '''can be deleted using the '''delete <ins class="diffchange diffchange-inline">command</ins>'''.</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>* You have to mention the '''array''' name with the '''index'''.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* What if I want to delete an entire '''array'''?</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* What if I want to delete an entire '''array'''?</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* It can be done by specifying only the '''array '''name in the '''delete statement'''</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* It can be done by specifying only the '''array '''name in the '''delete statement'''</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 224:</td> <td colspan="2" class="diff-lineno">Line 221:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&lt;nowiki&gt;[Enter]&lt;/nowiki&gt;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>&lt;nowiki&gt;[Enter]&lt;/nowiki&gt;</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Clear the terminal.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Clear the <ins class="diffchange diffchange-inline">'''</ins>terminal<ins class="diffchange diffchange-inline">'''</ins>.</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td colspan="2" class="diff-lineno">Line 283:</td> <td colspan="2" class="diff-lineno">Line 280:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| awk -f argc_argv.awk one two three</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| awk -f argc_argv.awk one two three</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Now type on the terminal<del class="diffchange diffchange-inline">,</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>| style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Now type on the <ins class="diffchange diffchange-inline">'''</ins>terminal<ins class="diffchange diffchange-inline">'''-</ins></div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&#160;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''awk space hyphen small f space argc underscore argv dot awk space one space two space three'''</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>'''awk space hyphen small f space argc underscore argv dot awk space one space two space three'''</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 367:</td> <td colspan="2" class="diff-lineno">Line 363:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* '''Delete statement'''</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* '''Delete statement'''</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* '''ARGV array '''and '''ENVIRON array'''</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* '''ARGV array '''and '''ENVIRON array'''</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 380:</td> <td colspan="2" class="diff-lineno">Line 374:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Calculate certain allowances for the students who have passed</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Calculate certain allowances for the students who have passed<ins class="diffchange diffchange-inline">.</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Paper presentation allowance which is 80% of the stipend &#160;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Paper presentation allowance which is 80% of the stipend &#160;</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Performance incentive which is 20% of the stipend &#160;</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div># Performance incentive which is 20% of the stipend &#160;</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2">&#160;</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 397:</td> <td colspan="2" class="diff-lineno">Line 389:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Print the total amount required for each allowance</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Print the total amount required for each allowance and the average.</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&#160;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>and the average.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td></tr> <tr><td colspan="2" class="diff-lineno">Line 441:</td> <td colspan="2" class="diff-lineno">Line 431:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>More information on this mission is available at</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>More information on this mission is available at this link.</div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>&#160;</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></div></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>this link.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>|-</div></td></tr> </table> Nancyvarkey https://script.spoken-tutorial.org/index.php?title=Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English&diff=42452&oldid=prev Nancyvarkey at 07:36, 20 February 2018 2018-02-20T07:36:30Z <p></p> <table class='diff diff-contentalign-left'> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr style='vertical-align: top;'> <td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td> <td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 07:36, 20 February 2018</td> </tr><tr><td colspan="2" class="diff-lineno">Line 286:</td> <td colspan="2" class="diff-lineno">Line 286:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''awk space <del class="diffchange diffchange-inline">minus </del>small f space <del class="diffchange diffchange-inline">argc_argv.</del>awk one two three'''</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''awk space <ins class="diffchange diffchange-inline">hyphen </ins>small f space <ins class="diffchange diffchange-inline">argc underscore argv dot </ins>awk <ins class="diffchange diffchange-inline">space </ins>one <ins class="diffchange diffchange-inline">space </ins>two <ins class="diffchange diffchange-inline">space </ins>three'''</div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'>&#160;</td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr> </table> Nancyvarkey https://script.spoken-tutorial.org/index.php?title=Linux-AWK/C2/More-on-Single-Dimensional-Array-in-awk/English&diff=42381&oldid=prev Antarade: Created page with "'''Title of script: More on Single Dimensional Array in Awk''' '''Author: Antara Roy Choudhury''' '''Keywords: awk array with file, scan array element, delete, ARGV array an..." 2018-02-15T15:13:33Z <p>Created page with &quot;&#039;&#039;&#039;Title of script: More on Single Dimensional Array in Awk&#039;&#039;&#039; &#039;&#039;&#039;Author: Antara Roy Choudhury&#039;&#039;&#039; &#039;&#039;&#039;Keywords: awk array with file, scan array element, delete, ARGV array an...&quot;</p> <p><b>New page</b></p><div>'''Title of script: More on Single Dimensional Array in Awk'''<br /> <br /> '''Author: Antara Roy Choudhury'''<br /> <br /> '''Keywords: awk array with file, scan array element, delete, ARGV array and ENVIRON array'''<br /> <br /> <br /> <br /> {| style=&quot;border-spacing:0;&quot;<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| &lt;center&gt;'''Visual Cue'''&lt;/center&gt;<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| &lt;center&gt;'''Narration'''&lt;/center&gt;<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 1<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Hello, welcome to this spoken tutorial '''More on''' '''single dimensional array''' in '''awk'''.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 2<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| In this tutorial we will learn about-<br /> <br /> <br /> * Using''' awk array '''with file<br /> * Scan the '''elements '''of an '''array'''<br /> * '''Delete statement'''<br /> * '''ARGV array '''and '''ENVIRON array'''<br /> <br /> We will do this through some examples.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 3<br /> <br /> System requirement<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| To record this tutorial, I am using <br /> <br /> * '''Ubuntu Linux 16.04 Operating System '''and''' '''<br /> * '''gedit text editor 3.20.1'''<br /> <br /> You can use any text editor of your choice.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 4<br /> <br /> prerequisite<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| To practice this tutorial, you should have gone through previous '''awk''' tutorial on array in our website.<br /> <br /> <br /> You should have some basic knowledge of any programming language like '''C''' or '''C++'''.<br /> <br /> <br /> If not, then please go through the corresponding tutorials on our website.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Slide 5: Code Files<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The files used in this tutorial are available in the '''Code Files''' link on this tutorial page.<br /> <br /> <br /> Please download and extract them.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Retain same screen<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Previously we covered some aspects of '''awk arrays'''.<br /> <br /> <br /> Now let us see how we can use '''awk array''' with a file.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show awkdemo.txt in Gedit<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| We will use the same file '''awkdemo.txt''' that we have used earlier.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show file opened<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Here the first '''field '''is roll number and sixth '''field '''is stipend of the student.<br /> <br /> <br /> Let us first calculate the '''HRA '''for all students.<br /> <br /> <br /> Here,''' HRA '''is 30% of their stipend amount.<br /> <br /> <br /> I have already written the code and saved it as '''calculate_hra.awk'''.<br /> <br /> <br /> Let us look in to that file now.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show calculate_hra.awk<br /> <br /> and highlight appropriately<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Inside the '''BEGIN section''', the '''field separator '''is initialized with the '''Pipe symbol'''.<br /> <br /> <br /> Then, in the '''action section '''we are initializing the '''array elements.'''<br /> <br /> <br /> This '''section '''will get executed once for each line of an input file.<br /> <br /> <br /> I have declared '''HRA''' as an '''array '''variable and '''dollar one '''as '''index'''.<br /> <br /> <br /> Here '''dollar 1 '''indicates the 1st '''field''', that is roll number.<br /> <br /> <br /> And the value is '''dollar 6''' multiplied by zero point 3 wherein '''dollar six''' is the stipend value.<br /> <br /> <br /> So, '''array HRA''' at '''index''' roll number will contain the corresponding '''HRA''' amount as a value. <br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display slide 5<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| How can we scan all the '''elements '''of this '''array'''?<br /> <br /> &amp;nbsp;<br /> <br /> You should use this variation of '''for loop'''.<br /> <br /> This '''loop''' executes '''statements''' once for each '''index''' in the '''array'''.<br /> <br /> The variable '''var '''will be set to the '''index '''values one by one.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show calculate_hra.awk<br /> <br /> and highlight appropriately<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The code is written inside '''END section'''. <br /> <br /> This '''section''' will be executed after '''awk''' has processed all the lines of the input file.<br /> <br /> <br /> Variable '''i '''will be initialized to every '''index''' value or roll number one by one.<br /> <br /> <br /> In each iteration of the '''for loop''', the HRA for a particular roll number will be printed.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| <br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Switch to the '''terminal''' and execute the file.<br /> <br /> <br /> Open the '''terminal''' by pressing '''Ctrl''', '''Alt''' and '''T''' keys<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| &lt;nowiki&gt;cd /&lt;saved folder&gt;&lt;/nowiki&gt;<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Go to the folder in which you downloaded and extracted the '''Code Files''' using '''cd command'''<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Type <br /> <br /> awk -f calculate_hra.awk awkdemo.txt<br /> <br /> &lt;nowiki&gt;[Enter]&lt;/nowiki&gt;<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Now type:<br /> <br /> '''awk space hyphen small f space calculate_hra.awk space awkdemo.txt '''<br /> <br /> <br /> '''press Enter'''<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show the output<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The output shows the roll number and '''HRA''' for all the students.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Highlight in the output<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Now say, I want to delete the record for the student with roll S02.<br /> <br /> <br /> So, we have to delete the '''array element''' at '''index S02.'''<br /> <br /> <br /> Let me do this using the '''calculate_hra.awk''' code.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Type:<br /> <br /> &lt;nowiki&gt;delete hra[&quot;S02&quot;] before for loop&lt;/nowiki&gt;<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Before the '''for loop''', Press Enter and <br /> <br /> type<br /> <br /> <br /> '''delete '''''space''''' hra '''''within square brackets within double quotes''''' S02'''<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Press Ctrl+S<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Save the file and switch to the '''terminal.'''<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Press up key<br /> <br /> &lt;nowiki&gt;[Enter]&lt;/nowiki&gt;<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Let me clear the terminal.<br /> <br /> <br /> Press the Up arrow key to get the previously executed command <br /> <br /> <br /> Press '''Enter'''.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show the output<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The record for the student with roll number S02 is not printed in the output.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display slide 6<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| * So, any '''array element '''can be deleted using the '''delete''' command.<br /> * You have to mention the '''array''' name''' '''with the '''index'''.<br /> * What if I want to delete an entire '''array'''?<br /> * It can be done by specifying only the '''array '''name in the '''delete statement'''<br /> <br /> Let us switch to the code to try this.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Delete &lt;nowiki&gt;[&quot;S02&quot;] from the Delete statement&lt;/nowiki&gt;<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Delete the''' index S02 '''along with the quotes and square brackets from the '''delete statement.'''<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Save the file and switch to the terminal<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Save the file and switch to the '''terminal.'''<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Press up key<br /> <br /> &lt;nowiki&gt;[Enter]&lt;/nowiki&gt;<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Clear the terminal.<br /> <br /> <br /> Press the Up arrow key to get the previously executed command.<br /> <br /> <br /> Now press '''Enter'''.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show the output<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| See, we are not getting any output.<br /> <br /> <br /> The entire '''array''' has been deleted.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 7<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Remember, in an earlier tutorial on '''awk built-in variables''', we had said-<br /> <br /> '''ARGC''' implies the number of '''command line arguments'''.<br /> <br /> '''ARGV''' is an array that stores the '''command line arguments.'''<br /> <br /> <br /> How can we show their values?<br /> <br /> Let us see.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Switch to the open file '''argc_argv.awk'''<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| I have already written the code in '''argc_argv.awk.'''<br /> <br /> <br /> Let us check the contents.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show argc_argv.awk in gedit<br /> <br /> <br /> Point as per narration<br /> <br /> <br /> <br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The code is written within '''awk BEGIN section.'''<br /> <br /> <br /> First we are printing the number of '''arguments''', that is the value of '''ARGV.'''<br /> <br /> <br /> Next, using the '''for loop, '''we are looping for the value of''' i '''from '''0''' to '''ARGC-1.'''<br /> <br /> <br /> And we are printing '''ARGV''' at '''index i'''<br /> <br /> <br /> Switch to the '''terminal''' and execute the file.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| awk -f argc_argv.awk one two three<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Now type on the terminal,<br /> <br /> <br /> '''awk space minus small f space argc_argv.awk one two three'''<br /> <br /> <br /> Here '''one two three''' are the '''command line arguments.'''<br /> <br /> <br /> Press '''Enter''' to execute the command.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show the output and highlight<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| We get the number of '''arguments''' as 4.<br /> <br /> <br /> But recall that we have supplied only 3 '''arguments'''.<br /> <br /> <br /> Let us have a look at the individual '''arguments'''.<br /> <br /> <br /> First '''argument''' or '''argv''' at '''index 0 '''is actually '''awk''', the command name.<br /> <br /> <br /> Next we have three '''arguments '''that we supplied in the '''command line.'''<br /> <br /> <br /> That is why the value of '''ARGC''' is always the number of command line '''arguments '''supplied plus one.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display slide 8<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Now, let us take one more example.<br /> <br /> <br /> '''Built-in variable ENVIRON '''is an '''associative array '''of '''environment variables.'''<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display slide 9<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The '''array element indices '''are the '''environment variable '''names.<br /> <br /> The '''array element '''values are the values of the particular environment variables.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display slide 10<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Let us see how we can see the values of different '''environment variables'''.<br /> <br /> <br /> First, let us print our '''username'''.<br /> <br /> <br /> We need to print the value of '''environment variable USER'''.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Type:<br /> <br /> &lt;nowiki&gt;awk 'BEGIN { print ENVIRON[&quot;USER&quot;] }'&lt;/nowiki&gt;<br /> <br /> &lt;nowiki&gt;[Enter]&lt;/nowiki&gt;<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| At the '''command prompt''' type the following.<br /> <br /> <br /> Press '''Enter'''<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Show the output<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The output will show the name of the user who logged in.<br /> <br /> <br /> This brings us to the end of this tutorial.<br /> <br /> <br /> Let us summarize.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 11<br /> <br /> Summary<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| In this tutorial we learnt about-<br /> <br /> * Using''' awk array '''with file<br /> * Scan the '''elements '''of an '''array'''<br /> * '''Delete statement'''<br /> * '''ARGV array '''and '''ENVIRON array'''<br /> <br /> <br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 12<br /> <br /> Assignment<br /> <br /> <br /> <br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| As an assignment-<br /> <br /> <br /> Calculate certain allowances for the students who have passed<br /> <br /> # Paper presentation allowance which is 80% of the stipend <br /> # Performance incentive which is 20% of the stipend <br /> <br /> <br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 13<br /> <br /> Assignment<br /> <br /> <br /> <br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Store the allowances in two different '''arrays'''. <br /> <br /> <br /> Print the total amount required for each allowance<br /> <br /> and the average.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 14<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Assignment 2. <br /> <br /> <br /> Print the value of '''environment variable PATH '''from '''awk''' program.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 15<br /> <br /> About Spoken Tutorial project<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The video at the following link summarises the Spoken Tutorial project.<br /> <br /> Please download and watch it.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 16<br /> <br /> Spoken Tutorial workshops<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The&amp;nbsp;'''Spoken Tutorial Project'''&amp;nbsp;team conducts workshops using spoken tutorials. <br /> <br /> <br /> And gives certificates on passing online tests.<br /> <br /> <br /> For more details, please write to us.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 17<br /> <br /> Forum for specific questions:<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Please post your timed queries in this forum.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Display Slide 18<br /> <br /> Acknowledgement<br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| Spoken Tutorial Project is funded by NMEICT, MHRD, Government of India.<br /> <br /> <br /> More information on this mission is available at<br /> <br /> this link.<br /> <br /> |-<br /> | style=&quot;background-color:#ffffff;border-top:0.035cm solid #000001;border-bottom:0.035cm solid #000001;border-left:0.035cm solid #000001;border-right:none;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| <br /> | style=&quot;background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;&quot;| The script has been contributed by Antara.<br /> <br /> <br /> And this is Praveen from IIT Bombay signing off.<br /> <br /> Thank you for joining<br /> <br /> |}</div> Antarade