Difference between revisions of "PERL/C3/Downloading-CPAN-module/English-timed"

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(Created page with "{| border =1 | '''Time''' | '''Narration''' |- | 00:01 | Welcome to the''' Spoken Tutorial''' on''' Downloading CPAN modules.''' |- | 00:06 | In this tutorial we will learn...")
 
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|-
 
|-
 
| 00:06
 
| 00:06
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| In this tutorial we will learn how to download required '''CPAN modules '''in
+
| In this tutorial, we will learn how to download required '''CPAN modules '''in
−
 
+
 
* '''Ubuntu Linux Operating System '''and
 
* '''Ubuntu Linux Operating System '''and
−
* '''Windows Operating System'''
+
* '''Windows Operating System'''.
  
 
|-
 
|-
 
| 00:17
 
| 00:17
−
| To record this tutorial, I am using
+
| To record this tutorial, I am using:
−
 
+
 
* '''Ubuntu Linux 12.04''' operating system
 
* '''Ubuntu Linux 12.04''' operating system
 
* '''Windows 7'''
 
* '''Windows 7'''
−
* '''Perl 5.14.2 and'''
+
* '''Perl 5.14.2''' and
−
* '''gedit''' Text Editor
+
* ''''gedit' Text Editor'''.
  
 
|-
 
|-
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|-
 
|-
 
| 00:55
 
| 00:55
−
| Switch to the '''terminal'''.
+
| Switch to the terminal.
  
 
|-
 
|-
 
| 00:57
 
| 00:57
−
| Type '''sudo''' space''' cpan''' and press '''Enter.''' Enter the password if required.
+
| Type '''sudo space cpan''' and press '''Enter.''' Enter the password if required.
  
 
|-
 
|-
 
| 01:06
 
| 01:06
−
| If cpan is not installed in your system, it will prompt you for the installation process.
+
| If '''cpan''' is not installed in your system, it will prompt you for the installation process.
−
 
+
  
 
|-
 
|-
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|-
 
|-
 
| 01:40
 
| 01:40
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| Before using, we have to install the''' Text colon colon CSV module'''
+
| Before using, we have to install the''' Text colon colon CSV module'''.
  
 
|-
 
|-
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|-
 
|-
 
| 02:06
 
| 02:06
−
| Now let us check whether the '''module''' is installed successfully or not.
+
| Now, let us check whether the module is installed successfully or not.
  
 
|-
 
|-
 
|  02:12
 
|  02:12
−
|  Hit the 'q' key to exit cpan.
+
|  Hit the 'q' key to exit '''cpan'''.
  
 
|-
 
|-
 
| 02:16
 
| 02:16
−
| Type''' instmodsh''' and press '''Enter'''.
+
| Type: "instmodsh" and press '''Enter'''.
  
 
|-
 
|-
 
| 02:23
 
| 02:23
−
| Type''' l''' to list all installed '''modules'''.
+
| Type 'l' to list all installed modules.
  
 
|-
 
|-
 
| 02:28
 
| 02:28
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| Here we can see''' Text colon colon CSV, '''which shows that the modules is installed in our system.
+
| Here, we can see''' Text colon colon CSV '''which shows that the modules is installed in our system.
  
 
|-
 
|-
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|-
 
|-
 
| 02:41
 
| 02:41
−
| Now I will open the '''candidates.csv ''' which i have already saved.
+
| Now, I will open the '''candidates.csv ''' which I have already saved.
  
 
|-
 
|-
 
| 02:47
 
| 02:47
−
| Type gedit '''candidates.csv '''and press''' Enter.'''
+
| Type: '''gedit candidates.csv '''and press''' Enter.'''
  
 
|-
 
|-
 
| 02:53
 
| 02:53
−
| Here we can see name, age, gender and email details of the candidates with a comma separator.
+
| Here, we can see- name, age, gender and email details of the candidates with a comma separator.
  
 
|-
 
|-
 
| 03:02
 
| 03:02
−
| Now I will open '''csvtest.pl''' file in which I have written a '''Perl''' program that uses this '''module'''.
+
| Now I will open '''csvtest.pl''' file in which I have written a '''Perl''' program that uses this module.
  
 
|-
 
|-
 
| 03:11
 
| 03:11
−
| This program will extract the name field values which are stored in the''' csv file.'''
+
| This program will '''extract''' the '''name field''' values which are stored in the''' csv''' file.
  
 
|-
 
|-
 
| 03:18
 
| 03:18
−
| '''use '''statement loads the '''Text colon colon CSV module.'''
+
| '''use '''statement loads the '''Text colon colon CSV''' module.
  
 
|-
 
|-
 
| 03:23
 
| 03:23
−
| I have declared the '''candidates.csv''' file to a '''local variable''' dollar '''file'''.
+
| I have declared the "candidates.csv" file to a '''local variable''' '''dollar file'''.
  
 
|-
 
|-
 
| 03:29
 
| 03:29
−
| The next statement will open the file in '''READ''' mode'''.'''
+
| The next statement will open the file in '''READ''' mode.
  
 
|-
 
|-
 
| 03:34
 
| 03:34
−
| '''Text colon colon CSV''' is the class and we can create an instance, by calling the constructor with '''new.'''
+
| '''Text colon colon CSV''' is the '''class''' and we can create an '''instance''' by calling the '''constructor''' with '''new.'''
  
 
|-
 
|-
 
| 03:42
 
| 03:42
−
| This line creates an object setting the separator character to be comma (,).
+
| This line creates an '''object''' setting the separator character to be comma (,).
  
 
|-
 
|-
 
| 03:48
 
| 03:48
−
| Here, '''while''' loop fetches the data line by line using the '''getline''' '''method'''.
+
| Here "while" loop fetches the data, line by line, using the "getline" '''method'''.
  
 
|-
 
|-
 
| 03:54
 
| 03:54
−
| '''getline''' '''method''' returns a '''reference''' to an array.
+
| "getline" '''method''' returns a '''reference''' to an array.
  
 
|-
 
|-
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|-
 
|-
 
| 04:02
 
| 04:02
−
| Index of zero represents the name field in the csv file.
+
| '''Index''' of zero represents the '''name field''' in the '''csv''' file.
  
 
|-
 
|-
 
| 04:07
 
| 04:07
−
| '''Print''' statement prints the names from the csv file.
+
| '''Print''' statement prints the names from the '''csv''' file.
  
 
|-
 
|-
 
| 04:11
 
| 04:11
−
| Now, press''' Ctrl+S''' to save the file.
+
| Now, press''' Ctrl+S''' to '''save''' the file.
  
 
|-
 
|-
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|-
 
|-
 
| 04:18
 
| 04:18
−
| Switch back to the''' terminal''' and type '''perl csvtest.pl''' and press''' Enter'''.
+
| Switch back to the terminal and type: '''perl csvtest.pl''' and press''' Enter'''.
  
 
|-
 
|-
 
| 04:27
 
| 04:27
−
| Here we can see names field as output.
+
| Here we can see '''names field''' as output.
  
 
|-
 
|-
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|-
 
|-
 
| 04:39
 
| 04:39
−
| When '''Perl '''is installed, a utility called''' PPM ie. Perl Package Module''' get installed automatically.
+
| When '''Perl '''is installed, a utility called''' PPM''' ie. '''Perl Package Module''' gets installed automatically.
  
 
|-
 
|-
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|-
 
|-
 
| 04:53
 
| 04:53
−
| This utility can be used to
+
| This utility can be used to:
−
 
+
 
* search module
 
* search module
 
* install
 
* install
 
* remove and
 
* remove and
 
* upgrade
 
* upgrade
−
 
+
required modules on '''Windows Operating System'''.
−
required '''modules '''on '''Windows Operating System'''.
+
  
 
|-
 
|-
 
| 05:04
 
| 05:04
−
| Now let us open the command window in '''Windows OS'''.
+
| Now, let us open the command window in '''Windows OS'''.
  
 
|-
 
|-
 
| 05:09
 
| 05:09
−
| To open the '''command window''', click on '''Start '''and type '''cmd '''and press '''Enter.'''
+
| To open the '''command window''', click on '''Start '''and type "cmd" and press '''Enter.'''
  
 
|-
 
|-
 
| 05:17
 
| 05:17
−
| Type '''perl hyphen v ''' to''' '''check whether '''Perl''' is installed on your '''Windows OS machine'''.
+
| Type: '''perl hyphen v ''' to check whether '''Perl''' is installed on your '''Windows OS machine'''.
  
 
|-
 
|-
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|-
 
|-
 
| 05:30
 
| 05:30
−
| If '''Perl''' is not installed, refer to the '''Perl '''installation tutorial on this website.
+
| If Perl is not installed, refer to the '''Perl installation tutorial''' on this website.
  
 
|-
 
|-
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|-
 
|-
 
| 05:41
 
| 05:41
−
| At the''' “DOS” prompt,''' type '''ppm install Text colon colon CSV''' and press '''Enter.'''
+
| At the “DOS” prompt, type: '''ppm install Text colon colon CSV''' and press '''Enter.'''
  
 
|-
 
|-
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|-
 
|-
 
| 06:08
 
| 06:08
−
| Let us execute the '''Perl '''program now.
+
| Let us '''execute''' the '''Perl '''program now.
  
 
|-
 
|-
 
| 06:11
 
| 06:11
−
| In the '''command window''' type '''perl csvtest.pl''' and press''' Enter'''.
+
| In the '''command window''', type: '''perl csvtest.pl''' and press''' Enter'''.
  
 
|-
 
|-
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|-
 
|-
 
| 06:21
 
| 06:21
−
| This brings us to the end of this tutorial. Let us summarise.
+
| This brings us to the end of this tutorial. Let us summarize.
  
 
|-
 
|-
 
| 06:26
 
| 06:26
−
| In this tutorial we learnt about how to download required CPAN modules in
+
| In this tutorial, we learnt about how to download required '''CPAN modules''' in
−
 
+
 
* '''Linux''' and
 
* '''Linux''' and
−
* '''Windows'''
+
* '''Windows'''.
  
 
|-
 
|-
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# Try to install''' Date colon colon Calc''' module.
 
# Try to install''' Date colon colon Calc''' module.
−
# Make use of the given website for module search:
+
# Make use of the given website for module search.
  
 
|-
 
|-
 
| 06:47
 
| 06:47
−
| The video at the following link summarises the Spoken Tutorial project. Please download and watch it
+
| The video at the following link summarizes the Spoken Tutorial project. Please download and watch it.
  
 
|-
 
|-
 
| 06:54
 
| 06:54
−
| The''' Spoken Tutorial Project''' Team
+
| The''' Spoken Tutorial Project''' team:
−
 
+
 
* conducts workshops using spoken tutorials and
 
* conducts workshops using spoken tutorials and
 
* gives certificates on passing online tests.
 
* gives certificates on passing online tests.
Line 304: Line 297:
 
|-
 
|-
 
| 07:18
 
| 07:18
−
| This is Nirmala Venkat from IIT Bombay, signing off. Thanks for watching.
+
| This is Nirmala Venkat from '''IIT Bombay''', signing off. Thanks for watching.
  
 
|}
 
|}

Revision as of 15:22, 15 July 2016

Time Narration
00:01 Welcome to the Spoken Tutorial on Downloading CPAN modules.
00:06 In this tutorial, we will learn how to download required CPAN modules in
  • Ubuntu Linux Operating System and
  • Windows Operating System.
00:17 To record this tutorial, I am using:
  • Ubuntu Linux 12.04 operating system
  • Windows 7
  • Perl 5.14.2 and
  • 'gedit' Text Editor.
00:32 You can use any text editor of your choice.
00:36 To follow this tutorial, you should have working knowledge of Perl programming.
00:41 If not, then go through the relevant Perl spoken tutorials on the spoken tutorial website.
00:48 First we will learn how to download CPAN modules in Ubuntu Linux OS.
00:55 Switch to the terminal.
00:57 Type sudo space cpan and press Enter. Enter the password if required.
01:06 If cpan is not installed in your system, it will prompt you for the installation process.
01:13 Please proceed with the steps. Your computer must be connected to the internet for the installation process.
01:21 We can see the prompt changes to cpan.
01:26 Say for example, I want to extract some data from a CSV file and use in my Perl program.
01:35 For this, we will use Text colon colon CSV module.
01:40 Before using, we have to install the Text colon colon CSV module.
01:46 Switch to the terminal.
01:48 Type Install Text colon colon CSV and press Enter.
01:55 We can see the installation of corresponding packages of this module.
02:00 Installation will take sometime to complete depending upon your internet speed.
02:06 Now, let us check whether the module is installed successfully or not.
02:12 Hit the 'q' key to exit cpan.
02:16 Type: "instmodsh" and press Enter.
02:23 Type 'l' to list all installed modules.
02:28 Here, we can see Text colon colon CSV which shows that the modules is installed in our system.
02:38 Type 'q' to exit.
02:41 Now, I will open the candidates.csv which I have already saved.
02:47 Type: gedit candidates.csv and press Enter.
02:53 Here, we can see- name, age, gender and email details of the candidates with a comma separator.
03:02 Now I will open csvtest.pl file in which I have written a Perl program that uses this module.
03:11 This program will extract the name field values which are stored in the csv file.
03:18 use statement loads the Text colon colon CSV module.
03:23 I have declared the "candidates.csv" file to a local variable dollar file.
03:29 The next statement will open the file in READ mode.
03:34 Text colon colon CSV is the class and we can create an instance by calling the constructor with new.
03:42 This line creates an object setting the separator character to be comma (,).
03:48 Here "while" loop fetches the data, line by line, using the "getline" method.
03:54 "getline" method returns a reference to an array.
03:58 We need to dereference it, to fetch the value.
04:02 Index of zero represents the name field in the csv file.
04:07 Print statement prints the names from the csv file.
04:11 Now, press Ctrl+S to save the file.
04:15 Let us execute the program.
04:18 Switch back to the terminal and type: perl csvtest.pl and press Enter.
04:27 Here we can see names field as output.
04:32 Next, let us see how to download required CPAN modules in Windows Operating System.
04:39 When Perl is installed, a utility called PPM ie. Perl Package Module gets installed automatically.
04:48 To use PPM, your computer must be connected to the internet.
04:53 This utility can be used to:
  • search module
  • install
  • remove and
  • upgrade

required modules on Windows Operating System.

05:04 Now, let us open the command window in Windows OS.
05:09 To open the command window, click on Start and type "cmd" and press Enter.
05:17 Type: perl hyphen v to check whether Perl is installed on your Windows OS machine.
05:25 You will see the Perl version number that is installed on your machine.
05:30 If Perl is not installed, refer to the Perl installation tutorial on this website.
05:36 It will tell you how to install Perl on Windows OS.
05:41 At the “DOS” prompt, type: ppm install Text colon colon CSV and press Enter.
05:49 Please note, module names are case sensitive.
05:53 We can see the installation process has begun. Wait until the installation gets completed.
06:00 I have copied the candidates.csv and csvtest.pl file to the present working directory.
06:08 Let us execute the Perl program now.
06:11 In the command window, type: perl csvtest.pl and press Enter.
06:18 Here is the output.
06:21 This brings us to the end of this tutorial. Let us summarize.
06:26 In this tutorial, we learnt about how to download required CPAN modules in
  • Linux and
  • Windows.
06:34 Here is an assignment for you.
  1. Try to install Date colon colon Calc module.
  2. Make use of the given website for module search.
06:47 The video at the following link summarizes the Spoken Tutorial project. Please download and watch it.
06:54 The Spoken Tutorial Project team:
  • conducts workshops using spoken tutorials and
  • gives certificates on passing online tests.
07:03 For more details, please write to us.
07:06 Spoken Tutorial project is funded by NMEICT, MHRD, Government of India.

More information on this mission is available at this link.

07:18 This is Nirmala Venkat from IIT Bombay, signing off. Thanks for watching.

Contributors and Content Editors

PoojaMoolya, Sandhya.np14

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