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		<id>https://script.spoken-tutorial.org/index.php?action=history&amp;feed=atom&amp;title=PERL%2FC2%2FConditional-statements%2FEnglish</id>
		<title>PERL/C2/Conditional-statements/English - Revision history</title>
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		<updated>2026-05-30T12:17:21Z</updated>
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	<entry>
		<id>https://script.spoken-tutorial.org/index.php?title=PERL/C2/Conditional-statements/English&amp;diff=11362&amp;oldid=prev</id>
		<title>PoojaMoolya at 07:29, 17 June 2014</title>
		<link rel="alternate" type="text/html" href="https://script.spoken-tutorial.org/index.php?title=PERL/C2/Conditional-statements/English&amp;diff=11362&amp;oldid=prev"/>
				<updated>2014-06-17T07:29:58Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;tr style='vertical-align: top;'&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 07:29, 17 June 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 8:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;div&gt;{| style=&amp;quot;border-spacing:0;&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;div&gt;{| style=&amp;quot;border-spacing:0;&amp;quot;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;div&gt;| style=&amp;quot;border-top:0.05pt solid #000000;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| &amp;lt;center&amp;gt;'''Visual &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Clue&lt;/del&gt;'''&amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;div&gt;| style=&amp;quot;border-top:0.05pt solid #000000;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| &amp;lt;center&amp;gt;'''Visual &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Cue&lt;/ins&gt;'''&amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;div&gt;| style=&amp;quot;border:0.05pt solid #000000;padding:0.097cm;&amp;quot;| &amp;lt;center&amp;gt;'''Narration'''&amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;div&gt;| style=&amp;quot;border:0.05pt solid #000000;padding:0.097cm;&amp;quot;| &amp;lt;center&amp;gt;'''Narration'''&amp;lt;/center&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;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;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>PoojaMoolya</name></author>	</entry>

	<entry>
		<id>https://script.spoken-tutorial.org/index.php?title=PERL/C2/Conditional-statements/English&amp;diff=5699&amp;oldid=prev</id>
		<title>AmolBrahmankar: Created page with ''''Title Of Script: '''if, if-else statements in Perl  '''Author:''' Amol Brahmankar  '''Keywords:''' Conditional Statements in Perl, if statement in perl, if-else statement in p…'</title>
		<link rel="alternate" type="text/html" href="https://script.spoken-tutorial.org/index.php?title=PERL/C2/Conditional-statements/English&amp;diff=5699&amp;oldid=prev"/>
				<updated>2013-08-25T07:25:16Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;#039;&amp;#039;&amp;#039;&amp;#039;Title Of Script: &amp;#039;&amp;#039;&amp;#039;if, if-else statements in Perl  &amp;#039;&amp;#039;&amp;#039;Author:&amp;#039;&amp;#039;&amp;#039; Amol Brahmankar  &amp;#039;&amp;#039;&amp;#039;Keywords:&amp;#039;&amp;#039;&amp;#039; Conditional Statements in Perl, if statement in perl, if-else statement in p…&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;'''Title Of Script: '''if, if-else statements in Perl&lt;br /&gt;
&lt;br /&gt;
'''Author:''' Amol Brahmankar&lt;br /&gt;
&lt;br /&gt;
'''Keywords:''' Conditional Statements in Perl, if statement in perl, if-else statement in perl, video tutorial.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{| style=&amp;quot;border-spacing:0;&amp;quot;&lt;br /&gt;
| style=&amp;quot;border-top:0.05pt solid #000000;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| &amp;lt;center&amp;gt;'''Visual Clue'''&amp;lt;/center&amp;gt;&lt;br /&gt;
| style=&amp;quot;border:0.05pt solid #000000;padding:0.097cm;&amp;quot;| &amp;lt;center&amp;gt;'''Narration'''&amp;lt;/center&amp;gt;&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Welcome to the spoken tutorial on '''if '''and''' if-else''' conditional statements in '''Perl.'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide: Learning Objectives&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| In this tutorial, we will learn about;&lt;br /&gt;
&lt;br /&gt;
'''if '''statement '''and '''&lt;br /&gt;
&lt;br /&gt;
'''if-else '''statement in '''Perl'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide: System Requirements&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| I am using &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''Ubuntu Linux12.04''' operating system and '''Perl 5.14.2'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
I will also be using the '''gedit '''Text Editor.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
You can use any text editor of your choice.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide: Prerequisites&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| You should have basic knowledge of '''Variables '''and''' Comments '''in''' Perl'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Knowledge of''' for, foreach, while '''and '''do-while '''loops in '''Perl '''will be an added advantage'''.'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Please go through the relevant spoken tutorials on the '''spoken tutorial '''website.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Perl provides the following conditional statements -&lt;br /&gt;
&lt;br /&gt;
1. if&lt;br /&gt;
&lt;br /&gt;
2. if-else&lt;br /&gt;
&lt;br /&gt;
3. if-elsif-else and&lt;br /&gt;
&lt;br /&gt;
4. switch&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
In this tutorial, we'll cover '''if''' and '''If-else''' statements&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| '''if '''statement in '''Perl '''can be used&lt;br /&gt;
&lt;br /&gt;
* to execute a piece of code &lt;br /&gt;
* only when a specified condition is satisfied.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''if (condition) {'''&lt;br /&gt;
&lt;br /&gt;
'''piece of code;'''&lt;br /&gt;
&lt;br /&gt;
'''}'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| The syntax of '''if '''conditional''' '''statement''' '''is as follows &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''if space '''open bracket''' condition''' close bracket '''space '''Open curly bracket &lt;br /&gt;
&lt;br /&gt;
'''Enter'''&lt;br /&gt;
&lt;br /&gt;
Piece of code to be executed when the condition is '''true semicolon'''&lt;br /&gt;
&lt;br /&gt;
'''Enter'''&lt;br /&gt;
&lt;br /&gt;
Close curly bracket&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Highlight '''if (condition)'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| The code inside the '''if''' statement will be executed only when the condition is '''true'''.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| &lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Now let us look at an example of '''if '''statement.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Switch to the Terminal and type&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''gedit conditionalBlocks.pl &amp;amp;'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
and press '''Enter'''.&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Open the '''Terminal''' and type&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''gedit conditionalBlocks dot pl space ampersand'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
and press''' Enter'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Point to the filename '''conditionalBlocks'''.'''pl''' in the Titlebar of gedit.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Type the piece of code.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''&amp;lt;nowiki&amp;gt;#!/usr/bin/perl&amp;lt;/nowiki&amp;gt;'''&lt;br /&gt;
&lt;br /&gt;
$count = 5;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
if ($count == 5) {&lt;br /&gt;
&lt;br /&gt;
print “I am inside if statement\n”;&lt;br /&gt;
&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| This will open the '''conditionalBlocks'''.'''pl''' file in '''gedit'''.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Type the following piece of code as displayed on the screen.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Here we have specified a condition for '''if''' which checks the value of variable '''count'''.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| '''Highlight =='''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Note the '''equal to equal to''' sign here. This is the '''comparison''' operator.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| '''Highlight if ($count == 5)'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| The condition '''$count equal to equal to 5''' is checked against the value of variable '''count'''. &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
When it is equal to '''5''', the code within the '''if''' block will get executed. &lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Press '''Ctrl S'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Now, press '''ctrl+s''' to '''save''' the file.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Switch to terminal&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Then switch to the '''terminal'''.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Make sure that you are in the directory in which you have saved your file.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| '''perl -c conditionalBlocks.pl'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Type the following to check for any compilation or syntax error -&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''perl hyphen c conditionalBlocks dot pl'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
and press''' Enter.'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Highlight the below line on terminal-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''conditionalBlocks.pl syntax OK'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| The following line will be displayed on the terminal window&lt;br /&gt;
&lt;br /&gt;
'''conditionalBlocks.pl syntax OK'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Execute Perl script&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''perl conditionalBlocks.pl'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| As there is no compilation or syntax error, we will execute the '''Perl''' script by typing -&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''perl conditionalBlocks dot pl'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
and press '''Enter'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Highlight the output on the terminal&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''I am inside if statement'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| The following output will be shown on terminal.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''I am inside if statement'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Switch back to '''gedit'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
print “I am inside if statement\n” if ($count == 5);&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Switch back to '''gedit'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Alternately, we can write the above '''if '''statement as-&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
print '''space''' '''double quote '''I am inside if statement''' slash n double quote complete space if open bracket''' dollar count equal to equal to 5 '''close bracket semicolon.'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| &lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Now, let us look at '''if-else '''statement.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| This statement is used when user wants to execute &lt;br /&gt;
&lt;br /&gt;
* one piece of code when the condition is '''true''' and &lt;br /&gt;
* another piece of code when the condition is '''false'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide&lt;br /&gt;
&lt;br /&gt;
if-else statement syntax is&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''if (condition) {'''&lt;br /&gt;
&lt;br /&gt;
'''piece of code; '''&lt;br /&gt;
&lt;br /&gt;
'''&amp;lt;nowiki&amp;gt;# executes when if condition is true&amp;lt;/nowiki&amp;gt;'''&lt;br /&gt;
&lt;br /&gt;
'''} else {'''&lt;br /&gt;
&lt;br /&gt;
'''another piece of code;'''&lt;br /&gt;
&lt;br /&gt;
'''&amp;lt;nowiki&amp;gt;# executes when if condition is false&amp;lt;/nowiki&amp;gt;'''&lt;br /&gt;
&lt;br /&gt;
'''} '''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| The syntax for '''if-else '''condition is as follows -&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''if space '''open bracket''' condition''' close bracket space open curly bracket Press '''Enter'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
piece of code '''semicolon '''&lt;br /&gt;
&lt;br /&gt;
to be executed when '''if condition''' is '''true, '''&lt;br /&gt;
&lt;br /&gt;
Press '''Enter'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
close curly bracket space '''else '''space open curly bracket '''Enter'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
another piece of code '''semicolon '''&lt;br /&gt;
&lt;br /&gt;
to be executed when '''if''' '''condition''' is '''false'''&lt;br /&gt;
&lt;br /&gt;
Press '''Enter '''close curly bracket &lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Switch to gedit&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''&amp;lt;nowiki&amp;gt;#!/usr/bin/perl&amp;lt;/nowiki&amp;gt;'''&lt;br /&gt;
&lt;br /&gt;
'''$count = 4;'''&lt;br /&gt;
&lt;br /&gt;
'''if ($count == 5) {'''&lt;br /&gt;
&lt;br /&gt;
'''print “I am inside if statement\n”;'''&lt;br /&gt;
&lt;br /&gt;
'''} else {'''&lt;br /&gt;
&lt;br /&gt;
'''print “I am inside else statement\n”;'''&lt;br /&gt;
&lt;br /&gt;
'''}'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Now again, go to the '''conditionalBlocks.pl''' file which we have already created in '''gedit'''.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
at the end of the''' if '''block type''' space '''&lt;br /&gt;
&lt;br /&gt;
'''else '''&lt;br /&gt;
&lt;br /&gt;
'''space open curly bracket '''press '''Enter '''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''print space double quote I am inside else statement slash n close double quote semicolon '''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Press '''Enter '''and close the '''curly bracket. '''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Highlight '''$count = 4;'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Here, '''4''' is assigned to variable count.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Highlight''' if ($count == 5) '''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| As the value of '''count''' variable does not match '''5''',&lt;br /&gt;
&lt;br /&gt;
* the code within the '''if''' block will not get evaluated&lt;br /&gt;
* instead the code within the '''else '''block will get evaluated.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| '''Press '''Ctrl+s&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Now press''' Ctrl+S''' to save the file.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Switch to '''terminal'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Now switch to '''terminal'''.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| '''perl -c conditionalBlocks.pl'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
and press '''Enter'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Then compile the file for any syntax or compilation errors by typing&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''perl hyphen c conditionalBlocks dot pl'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
and press '''Enter'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Point to the below line on '''terminal''' -&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''conditionalBlocks.pl syntax OK'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| The following line will be displayed on the '''terminal'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''conditionalBlocks.pl syntax OK'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Execute Perl script&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''perl conditionalBlocks.pl'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
and press '''Enter'''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| As there is no compilation or syntax error, we will now execute the '''Perl''' script.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Type&lt;br /&gt;
&lt;br /&gt;
'''perl conditionalBlocks dot pl'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
and press '''Enter'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Highlight output on the '''terminal'''&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''I am inside else statement '''&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| The following output will be shown on '''terminal'''.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
'''I am inside else statement'''&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide: Summary&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Let us summarize.&lt;br /&gt;
&lt;br /&gt;
In this tutorial, we have learnt -&lt;br /&gt;
&lt;br /&gt;
'''if''' and&lt;br /&gt;
&lt;br /&gt;
'''if-else''' conditional statements in '''Perl'''&lt;br /&gt;
&lt;br /&gt;
using sample programs.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Slide: Assignment&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Here is assignment for you -&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Print “It is an open source language” &lt;br /&gt;
&lt;br /&gt;
* when the variable declared has value ''''Perl'''' &lt;br /&gt;
* otherwise print “It's a proprietary language”&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| About the Project&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Watch the video available at the following link&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
It summaries the Spoken Tutorial project&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
If you do not have good bandwidth, you can&lt;br /&gt;
&lt;br /&gt;
download and watch it&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Spoken Tutorial Workshops&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| The Spoken Tutorial Project Team &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Conducts workshops using spoken tutorials&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Gives certificates to those who pass an online &lt;br /&gt;
&lt;br /&gt;
test&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
For more details, please write to&lt;br /&gt;
&lt;br /&gt;
contact at spoken hyphen tutorial dot org&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| Acknowledgment&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
http://spoken-tutorial.org\NMEICT-Intro&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Spoken Tutorial Project is a part of the Talk to a &lt;br /&gt;
&lt;br /&gt;
Teacher project&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
It is supported by the National Mission on&lt;br /&gt;
&lt;br /&gt;
Education through ICT, MHRD, Government of India.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
More information on this Mission is available&lt;br /&gt;
&lt;br /&gt;
spoken hypen tutorial dot org slash NMEICT hyphen Intro&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:none;padding:0.097cm;&amp;quot;| &lt;br /&gt;
| style=&amp;quot;border-top:none;border-bottom:0.05pt solid #000000;border-left:0.05pt solid #000000;border-right:0.05pt solid #000000;padding:0.097cm;&amp;quot;| Hope you enjoyed this '''Perl''' tutorial. &lt;br /&gt;
&lt;br /&gt;
This is Amol Brahmankar signing off.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Thanks for joining&lt;br /&gt;
&lt;br /&gt;
|}&lt;/div&gt;</summary>
		<author><name>AmolBrahmankar</name></author>	</entry>

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