Which perl command in Linux?

What is the perl command in Linux?

Perl is a programming language that can be used to perform tasks that would be difficult or cumbersome on the command line. Perl is included by default with most GNU/Linux distributions. Usually, one invokes Perl by using a text editor to write a file and then passing it to the perl program.

How use perl in Linux command line?

There are many ways to run Perl scripts on Linux:

1. Run the “perl” command with the Perl script included in the command line. …
2. Run the “perl” command with the Perl script supplied from the standard input stream. …
3. Run the “perl” command with the Perl script supplied in a file. …
4. Run Perl script files as commands.

How do I find perl version in Linux?

3 quick ways to find out the version number of an installed Perl module from the terminal

1. Use CPAN with the -D flag. cpan -D Moose. …
2. Use a Perl one-liner to load and print the module version number. …
3. Use Perldoc with the -m flag to load the module’s source code and extract the version number.

Which version of perl do I have?

You probably already have perl installed. Type perl -v on a command line to find out which version. ActiveState Perl has binary distributions of Perl for many platforms.

What is Perl My?

my keyword in Perl declares the listed variable to be local to the enclosing block in which it is defined. The purpose of my is to define static scoping. This can be used to use the same variable name multiple times but with different values.

How do I use Linux?

Its distros come in GUI (graphical user interface), but basically, Linux has a CLI (command line interface). In this tutorial, we are going to cover the basic commands that we use in the shell of Linux. To open the terminal, press Ctrl+Alt+T in Ubuntu, or press Alt+F2, type in gnome-terminal, and press enter.

How do I run a Perl command in Unix?

3 Answers

1. Find the interpreter/executors path. In this case its /usr/bin/perl or /usr/bin/env perl.
2. Add it to the first line of the file as #!/usr/bin/perl .
3. Give execute permission to the file chmod +x example.pl.

What is use Perl?

Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more.

How do I manually install a Perl module in Windows?

For each of the modules that you downloaded, complete the following steps:

1. Unpack it into a writeable directory.
2. Run the Perl configure command: perl Makefile.pl .
3. Run the make command.
4. Run the make test command. Do not proceed until this command completes successfully.
5. Run the make install command.

How do I install a specific version of a Perl module?

How can I install specific version of Perl and module in my home directory?

1. Check the currently verion of Perl. …
2. Install Perlbrew. …
3. You may need to add the following red line in ~/.bash_profile to make Perlbrew be auto included. …
4. Check the available version of Perl that can be installed by using Perlbrew.