PERL/C2/Variables-in-Perl/English-timed - Revision history

PoojaMoolya at 06:35, 24 March 2017

2017-03-24T06:35:52Z

Sandhya.np14 at 04:45, 9 July 2015

2015-07-09T04:45:44Z

Sandhya.np14 at 18:04, 8 July 2015

2015-07-08T18:04:56Z

Sandhya.np14 at 06:56, 7 May 2015

2015-05-07T06:56:32Z

Sandhya.np14 at 06:52, 7 May 2015

2015-05-07T06:52:58Z

Show changes

Sandhya.np14 at 06:11, 7 May 2015

2015-05-07T06:11:23Z

Gaurav at 06:26, 10 July 2014

2014-07-10T06:26:19Z

Gaurav at 04:41, 10 July 2014

2014-07-10T04:41:10Z

Show changes

PoojaMoolya at 05:55, 13 June 2014

2014-06-13T05:55:19Z

Madhurig at 09:09, 2 June 2014

2014-06-02T09:09:56Z

@@ Line 369: / Line 369: @@
 |-
 | 08:54
-| There is no syntax error.
+| There is no syntax error. So, we can execute the script as '''perl multivar dot pl'''
-−
-|-
-| 08:55
-| So, we can execute the script as '''perl multivar dot pl'''
 |-

@@ Line 85: / Line 85: @@
 |-
 | 01:56
-| '''dot pl''' (.pl) is the default extension of a '''Perl''' file.
+| '''dot pl''' (.pl) is the '''default''' '''extension''' of a '''Perl''' file.
 |-
@@ Line 285: / Line 285: @@
 |-
 | 06:41
-| '''dollar firstVar equal to dollar secondVar equal to ten semicolon''' And Press '''Enter'''.
+| '''dollar firstVar equal to dollar secondVar equal to ten semicolon''' and press '''Enter'''.
 |-
@@ Line 293: / Line 293: @@
 |-
 | 06:55
-| '''print''' double quote '''firstVar:''' dollar '''firstVar and secondVar:''' dollar '''secondVar''' slash '''n''' close double quotes  semicolon press '''Enter'''.
+| '''print''' double quote '''firstVar:''' dollar '''firstVar and secondVar:''' dollar '''secondVar''' backslash '''n''' close double quotes  semicolon press '''Enter'''.
 |-

@@ Line 5: / Line 5: @@
 |-
 | 00:01
-| Welcome to the spoken tutorial on '''Variables''' in '''Perl'''.
+| Welcome to the spoken tutorial on '''Variables in Perl'''.
 |-
@@ Line 49: / Line 49: @@
 |-
 |  01:00
-|  Let us look at variable declaration.
+|  Let us look at '''variable''' declaration.
 |-
@@ Line 77: / Line 77: @@
 |-
 | 01:44
-| The '''ampersand''' will unlock the command prompt on the terminal. Now press '''Enter'''.
+| The '''ampersand''' will unlock the '''command prompt''' on the '''terminal'''. Now press '''Enter'''.
 |-
 | 01:50
-|  This will open the '''variables.pl '''file in '''gedit''' text editor.
+|  This will open the '''variables.pl '''file in '''gedit''' '''text editor'''.
 |-
@@ Line 121: / Line 121: @@
 |-
 | 02:36
-| '''print''' space double quote '''Value of variable is:''' dollar '''priority''' slash '''n''' close double quote semicolon and press '''Enter'''.
+| '''print''' space double quote '''Value of variable is:''' dollar '''priority''' backslash '''n''' close double quote semicolon and press '''Enter'''.
 |-
 | 02:50
-| '''slash n''' is the "new line" character.
+| '''backslash n''' is the "new line" character.
 |-
 |  02:53
-|  Now save this file as '''variables.pl''' at any location.
+|  Now '''save''' this file as '''variables.pl''' at any location.
 |-
 | 03:02
-| In my case, it will get saved in '''home/amol '''directory. Now save this file.
+| In my case, it will get saved in '''home/amol '''directory. Now '''save''' this file.
 |-
@@ Line 201: / Line 201: @@
 |-
 |   04:38
-|  Save this file and compile the script once again by typing:
+|  '''Save''' this file and compile the script once again by typing:
 |-
@@ Line 213: / Line 213: @@
 |-
 | 04:55
-| Execute the script by typing '''perl variables dot pl''' and press '''Enter'''.
+| '''Execute''' the script by typing '''perl variables dot pl''' and press '''Enter'''.
 |-
 |   05:03
-|  The output is as shown.
+|  The '''output''' is as shown.
 |-
 |   05:07
-|  Now switch back to the Text Editor window.
+|  Now switch back to the '''Text Editor''' '''window'''.
 |-
@@ Line 233: / Line 233: @@
 |-
 | 05:19
-| Save this file and close it.
+| '''Save''' this file and close it.
 |-
@@ Line 277: / Line 277: @@
 |-
 | 06:34
-|  Switch to text editor.
+|  Switch to '''text editor'''.
 |-
@@ Line 289: / Line 289: @@
 |-
 |   06:51
-|  Now to print these values, type:
+|  Now, to print these values, type:
 |-
@@ Line 301: / Line 301: @@
 |-
 |   07:19
-|  Now let us add the values in the two variables.
+|  Now, let us add the values in the two variables.
 |-
@@ Line 321: / Line 321: @@
 |-
 | 07:53
-| '''print double quote Addition is dollar addition slash n''' close double quote semicolon.
+| '''print double quote Addition is dollar addition backslash n''' close double quote semicolon.
 |-
@@ Line 337: / Line 337: @@
 |-
 | 08:18
-| There is no syntax error, so we can execute the script
+| There is no syntax error, so we can '''execute''' the script
 |-
 |  08:24
-| by typing '''perl multivar dot pl'''
+| by typing '''perl multivar dot pl'''.
 |-
 |  08:30
-|  This will produce an output as highlighted.
+|  This will produce an '''output''' as highlighted.
 |-
@@ Line 357: / Line 357: @@
 |-
 |  08:41
-|  Now let us save this file and close it.
+|  Now, let us '''save''' this file and close it.
 |-
@@ Line 377: / Line 377: @@
 |-
 | 09:01
-| On execution the output will look like this.
+| On execution, the '''output''' will look like this.
 |-

@@ Line 9: / Line 9: @@
 |-
 | 00:06
-|  In this tutorial, we will learn about '''variables''' in '''Perl'''
+|  In this tutorial, we will learn about '''variables''' in '''Perl'''.
 |-
@@ Line 49: / Line 49: @@
 |-
 |  01:00
-|  Let us look at '''Variable Declaration''':
+|  Let us look at variable declaration.
 |-
 | 01:03
-| A variable can be declared as follows: '''dollar priority semicolon'''
+| A variable can be declared as follows: '''dollar priority semicolon'''.
 |-
@@ Line 97: / Line 97: @@
 |-
 | 02:13
-| You do not need to declare a '''variable''' before using it;
+| You do not need to declare a variable before using it;
 |-
@@ Line 185: / Line 185: @@
 |-
 |  04:18
-|  Instead of '''dollar priority equal to one;'''  type:
+|  Instead of '''dollar priority equal to one;''' type:
 |-
@@ Line 325: / Line 325: @@
 |-
 | 08:05
-| Save this file
+| Save this file.
 |-

@@ Line 5: / Line 5: @@
 |-
 | 00:01
-| Welcome to the spoken tutorial on Variables in '''Perl'''.
+| Welcome to the spoken tutorial on '''Variables''' in '''Perl'''.
 |-
 | 00:06
-|  In this tutorial, we will learn about Variables in '''Perl'''
+|  In this tutorial, we will learn about '''variables''' in '''Perl'''
 |-
@@ Line 17: / Line 17: @@
 |-
 | 00:18
-| '''Perl''' '''5.14.2 ''' that is, '''Perl''' revision 5 version 14 and subversion 2
+| '''Perl''' '''5.14.2 ''' that is: '''Perl''' revision 5, version 14, and subversion 2.
 |-
@@ Line 33: / Line 33: @@
 |-
 | 00:37
-| '''Variables''' are used for storing values, like text strings, numbers or arrays.
+| '''Variables''' are used for storing values like text strings, numbers or arrays.
 |-
 | 00:44
-| Once a '''variable''' is declared, it can be used over and over again in the script.
+| Once a variable is declared, it can be used over and over again in the script.
 |-
@@ Line 45: / Line 45: @@
 |-
 | 00:56
-| '''Scalar variables''' are declared using $ ('''dollar''') symbol.
+| '''Scalar''' variables are declared using $ (dollar) symbol.
 |-
@@ Line 53: / Line 53: @@
 |-
 | 01:03
-| A '''variable''' can be declared as follows: '''dollar priority semicolon'''
+| A variable can be declared as follows: '''dollar priority semicolon'''
 |-
 | 01:09
-| '''Variable''' names in '''Perl''' can have several formats. '''Variables''' must begin with a letter or '''underscore'''
+| '''Variable''' names in '''Perl''' can have several formats. Variables must begin with a letter or '''underscore''' (_).
 |-
 |   01:18
-|  And may contains letters, digits, '''underscores''' or a combination of above 3.
+|  And may contain letters, digits, '''underscores''' or a combination of above three.
 |-
 |   01:24
-|  '''Variables''' declared with CAPITAL letters have special meaning in '''Perl.'''
+|  Variables declared with CAPITAL letters have special meaning in '''Perl.'''
 |-
 | 01:30
-| So avoid declaring '''variables''' using Capital letters.
+| So, avoid declaring variables using capital letters.
 |-
 |  01:34
-|  Now open the '''Terminal''' and type  '''gedit variables dot pl ampersand '''
+|  Now open the '''Terminal''' and type:  '''gedit variables dot pl ampersand'''(&)
 |-
 | 01:44
-| The '''ampersand''' will unlock the command prompt on the '''terminal'''. Now press '''Enter'''.
+| The '''ampersand''' will unlock the command prompt on the terminal. Now press '''Enter'''.
 |-
@@ Line 85: / Line 85: @@
 |-
 | 01:56
-| '''dot pl '''is the default extension of a '''Perl''' file.
+| '''dot pl''' (.pl) is the default extension of a '''Perl''' file.
 |-
 |   02:01
-|  Type the following in the file; '''dollar priority semicolon''' and press '''Enter'''.
+|  Type the following in the file: '''dollar priority semicolon''' and press '''Enter'''.
 |-
@@ Line 105: / Line 105: @@
 |-
 |   02:21
-|  Now let us assign a numerical value to the '''variable priority'''.
+|  Now let us assign a numerical value to the variable '''priority'''.
 |-
 | 02:25
-| For this type '''dollar priority space equal to space one semicolon'''
+| For this, type: '''dollar priority space equal to space one semicolon'''
 |-
@@ Line 117: / Line 117: @@
 |-
 | 02:34
-|  Next, type
+|  Next, type:
 |-
 | 02:36
-| '''print space double quote Value of variable is: dollar priority slash n''' close double quote '''semicolon''' and press enter
+| '''print''' space double quote '''Value of variable is:''' dollar '''priority''' slash '''n''' close double quote semicolon and press '''Enter'''.
 |-
 | 02:50
-| '''slash n''' is the new line character.
+| '''slash n''' is the "new line" character.
 |-
@@ Line 133: / Line 133: @@
 |-
 | 03:02
-| In my case, it will get saved in '''home/amol '''directory. Now save this file
+| In my case, it will get saved in '''home/amol '''directory. Now save this file.
 |-
 | 03:10
-|  Now, let us change the permissions of '''variables.pl'''  file, which we just now created.
+|  Now, let us change the permissions of '''variables.pl''' file which we just now created.
 |-
@@ Line 145: / Line 145: @@
 |-
 | 03:27
-| This will provide read, write & execute rights to the file.
+| This will provide "read", "write" & "execute" rights to the file.
 |-
 |   03:32
-|  To compile this '''Perl''' script, on the '''Terminal'''
+|  To compile this '''Perl''' script, on the '''Terminal''',
 |-
 | 03:36
-| type ;'''perl hyphen c variables dot pl'''
+| type: '''perl hyphen c variables dot pl'''
 |-

@@ Line 18: / Line 18: @@
 | 00:18
 | '''Perl''' '''5.14.2 ''' that is, '''Perl''' revision 5 version 14 and subversion 2
 |-
@@ Line 55: / Line 54: @@
 | 01:03
 | A '''variable''' can be declared as follows: '''dollar priority semicolon'''
 |-
@@ Line 76: / Line 74: @@
 |  01:34
 |  Now open the '''Terminal''' and type  '''gedit variables dot pl ampersand '''
 |-
@@ Line 205: / Line 202: @@
 |   04:38
 |  Save this file and compile the script once again by typing
 |-
@@ Line 214: / Line 210: @@
 |  04:51
 |  This tells us that there is no syntax error.
 |-
@@ Line 227: / Line 222: @@
 |   05:07
 |  Now switch back to the Text Editor window.
 |-
@@ Line 236: / Line 230: @@
 | 05:15
 | '''dollar priority in double quote String'''
 |-
@@ Line 253: / Line 246: @@
 |  05:31
 |  on'''Terminal''' type - '''gedit multivar dot pl space ampersand''' and press '''Enter'''.
 |-
@@ Line 350: / Line 342: @@
 |  08:24
 |   by typing '''perl multivar dot pl'''
 |-
@@ Line 359: / Line 350: @@
 |   08:34
 |  Similarly, try subtraction, multiplication and division.
 |-
@@ Line 384: / Line 374: @@
 | 08:55
 | So we can execute the script as '''perl multivar dot pl'''
 |-
@@ Line 424: / Line 413: @@
 | 09:34
 |  Print those '''2  variables''' one after the other.
 |-

@@ Line 1: / Line 1: @@
 {| border=1
-!  <center>'''Visual Cue'''</center>
+!  <center>'''Time'''</center>
 !  <center>'''Narration'''</center>

@@ Line 124: / Line 124: @@
 |-
 | 02.36
-| '''print space double quote Value of variable is: dollar priority slash n double quote complete semicolon''' and press enter
+| '''print space double quote Value of variable is: dollar priority slash n''' close double quote '''semicolon''' and press enter
 |-
@@ Line 301: / Line 301: @@
 |-
 | 06.55
-| '''print double quote firstVar: dollar firstVar and secondVar: dollar secondVar slash n double quote complete semicolon''' press '''Enter'''.
+| '''print double quote firstVar: dollar firstVar and secondVar: dollar secondVar slash n''' close double quote  '''semicolon''' press '''Enter'''.
 |-
@@ Line 329: / Line 329: @@
 |-
 | 07.53
-| '''print double quote Addition is dollar addition slash n double quote complete semicolon'''
+| '''print double quote Addition is dollar addition slash n''' close  double quote  '''semicolon'''
 |-