Linux-AWK/C2/MultiDimensional-Array-in-awk/English - Revision history

Nancyvarkey: Nancyvarkey moved page Linux/C3/MultiDimensional-Array-in-awk/English to Linux-AWK/C2/MultiDimensional-Array-in-awk/English without leaving a redirect: New series

2018-03-22T11:08:17Z

Nancyvarkey moved page Linux/C3/MultiDimensional-Array-in-awk/English to Linux-AWK/C2/MultiDimensional-Array-in-awk/English without leaving a redirect: New series

Nancyvarkey at 03:50, 6 March 2018

2018-03-06T03:50:29Z

Antarade at 04:10, 23 February 2018

2018-02-23T04:10:14Z

Antarade: Created page with "'''Title of script: '''Multi-Dimensional array in awk '''Author: '''Antara Roy Choudhury '''Keywords: '''Multi-dimensional array, SUBSEP, Multi-dimensional scanning, Creatin..."

2018-02-23T04:02:56Z

Created page with "'''Title of script: '''Multi-Dimensional array in awk '''Author: '''Antara Roy Choudhury '''Keywords: '''Multi-dimensional array, SUBSEP, Multi-dimensional scanning, Creatin..."

Show changes

@@ Line 62: / Line 62: @@
-For example, '''array week '''is identified by a single '''index''', '''day'''.
+For example, '''array week '''is identified by a single '''index, day'''.
 |-
@@ Line 73: / Line 73: @@
 |-
 | style="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;"| Display Slide 6a
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Here, '''multiple indices '''are concatenated into a single '''string''',
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Here, '''multiple indices '''are concatenated into a single '''string''', with a '''separator '''between them.
-−
-−
 with a '''separator '''between them.
@@ Line 83: / Line 80: @@
 |-
 | style="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;"| Display Slide 6b
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| This combined '''string''' is used as a single '''index''' for a simple '''one dimensional array'''.
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| The combined '''string''' is used as a single '''index''' for a simple '''one dimensional array'''.
 |-
@@ Line 90: / Line 87: @@
-suppose we write '''<nowiki>multi[4,6]="value" in double quotes</nowiki>'''
+Suppose we write '''multi within square brackets 4 comma 6 equal to value in double quotes'''
 Here '''multi '''is the name of '''multi-dimensional array. '''
@@ Line 97: / Line 94: @@
 Then, the numbers '''4 '''and''' 6 '''are converted to a '''string'''.
-Suppose,
+Suppose, the value of '''SUBSEP''' is '''hash symbol (#).'''
-−
-−
 the value of '''SUBSEP''' is '''hash symbol (#).'''
@@ Line 178: / Line 172: @@
-And then type '''print space a (within square bracket) 2 comma 2'''
+And then type '''print space a within square brackets 2 comma 2'''
@@ Line 194: / Line 188: @@
 We can use '''in operator.'''
-We have already seen it in '''single-dimensional array '''earlier''' '''in this series'''. '''
+We have already seen it in '''single-dimensional array '''earlier in this series.
-We have to write the entire '''sequence '''of '''indices '''within '''parentheses '''
+We have to write the entire '''sequence '''of '''indices '''within '''parentheses ''' and separated by '''commas'''.
-and separated by '''commas'''.
+Let us see this in an example.
-−
-−
 Let us see this in an example
 |-
@@ Line 252: / Line 243: @@
 awk -f test_multi.awk
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Switch to the '''terminal '''and type
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Switch to the '''terminal '''and type-
-'''awk space hyphen small f space test_multi.awk '''and press '''Enter.'''
+'''awk space hyphen small f space test underscore multi dot awk '''and press '''Enter.'''
 |-
@@ Line 370: / Line 361: @@
+}
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| So, after '''awk '''has processed the entire '''input file '''with this code,
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| So, after '''awk '''has processed the entire '''input file '''with this code, '''matrix array '''will be completely formed.
+It will store entire data of '''input file '''into a '''two dimensional array''' format.
-It will store entire data of '''input file '''in '''two dimensional array''' format.
 |-
@@ Line 401: / Line 390: @@
-I assume your familiarity with basic C programming.
+I assume your familiarity with basic '''C programming'''.
@@ Line 417: / Line 406: @@
-'''Awk''' does not have '''multi-dimensional array''' in the truest sense.
+'''Awk''' does not have a '''multi-dimensional array''' in the truest sense.
@@ Line 454: / Line 443: @@
-The first piece is stored in '''<nowiki>arr[1]</nowiki>'''.
+The first piece is stored in ''' arr 1'''.
-The second piece in '''<nowiki>arr[2]</nowiki>''' and so forth.
+The second piece in '''arr 2''' and so forth.
 |-
@@ Line 477: / Line 466: @@
 | style="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;"| <nowiki>Highlight a[1,1]="A";a[1,2]="B";a[2,1]="C"; a[2,2]="D"</nowiki>
 | style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| First we have created an '''array '''named '''a '''and assigned these values to it.
 |-
@@ Line 492: / Line 478: @@
 |-
 | style="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;"| Highlight split(iterator,arr,SUBSEP)
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Then the '''split function '''breaks the '''iterator '''into pieces separated by a '''SUBSEP.'''
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Then the '''split function '''breaks the '''iterator '''into pieces separated by '''SUBSEP.'''
 |-
@@ Line 509: / Line 495: @@
 <nowiki>[Enter]</nowiki>
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Switch to the '''terminal '''and type
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Switch to the '''terminal '''and type-
-'''awk space hyphen small f space multi_scan.awk '''
+'''awk space hyphen small f space multi underscore scan dot awk '''
 and press '''Enter.'''
@@ Line 530: / Line 516: @@
 * Create a '''multidimensional array '''in '''awk'''
 * and scan a '''multidimensional array'''
 |-
@@ Line 544: / Line 528: @@
 * rotate a '''two dimensional array '''by 90 degree
 * and print the rotated '''matrix'''.
 |-

@@ Line 224: / Line 224: @@
 |-
 | style="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;"| Highlight 1st if statement
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| The first '''if condition '''checks whether the '''element '''at the '''index one coma one, '''is present or not.
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| The first '''if condition '''checks whether the '''element '''at the '''index one comma one, '''is present or not.
 |-
@@ Line 232: / Line 232: @@
 |-
 | style="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;"| Highlight print "(1,1) is present"
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| If the '''condition '''is '''true''', it will print '''one coma one is present'''.
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| If the '''condition '''is '''true''', it will print '''one comma one is present'''.
 |-
 | style="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;"| Highlight print "(1,1) is absent"
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Else it will print '''one coma one is absent.'''
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Else it will print '''one comma one is absent.'''
 |-
@@ Line 242: / Line 242: @@
 if((3,1) in a)
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Similarly, we will check for the presence of the '''element '''at '''index three coma one.'''
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| Similarly, we will check for the presence of the '''element '''at '''index three comma one.'''
@@ Line 259: / Line 259: @@
 |-
 | style="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;"| Show output
-| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| The output says '''one coma one is present '''and '''three coma one is absent.'''
+| style="background-color:#ffffff;border:0.035cm solid #000001;padding-top:0cm;padding-bottom:0cm;padding-left:0.191cm;padding-right:0.191cm;"| The output says '''one comma one is present '''and '''three comma one is absent.'''
 |-

← Older revision	Revision as of 11:08, 22 March 2018
(No difference)