1/8/2023 0 Comments Perl scriptPerl is a powerful scripting language and though Python has gained popularity, seasoned sysadmins still use it for complex scripting. This simple script is supposed to take input from the user (name in this case) and will return something like this: Running Perl script using Perl command and promptĪs you can see, running Perl scripts in Linux is not much different than running a bash shell script. My sample script looks like this: #!/usr/bin/perl Perl pl ist eine freie, plattformunabhängige und interpretierte Programmiersprache, die mehrere Paradigmen unterstützt. The recently created file will be empty, I'll be using Nano editor to modify the empty file. Perl file does not need to have any extension, but a ".pl" extension is good practice.Ĭreate a new file using the touch command like this: touch my_ You have the scripts saved and you can use them in an IDE like Eclipse if the script is complicated or part of a larger Perl project. Perl has CPAN, giving access to vast numbers of modules to get things done. This is the recommended way to create and execute Perl scripts. In such cases, you can run a Perl script by using the Perl Docker image directly: docker run -it -rm -name my-running-script -v PWD:/usr/src/myapp -w. Available scripting environments include Scheme through Script-Fu and Python. You can write a Perl script directly in the terminal and run it immediately, without even saving it. There are other ways of using Perl in Linux. If your system throws an error like "Perl command not found," use your system's package manager to install it first. perl -version Checking if Perl is installed How do you know if Perl is installed on your system? Use this command and if you see the version details, you should be good. īut for that to work, the file must have the execute permission and the script must begin with the hashbang: #!/usr/bin/perlĪs long as the syntax is right and Perl installed on your system, you should be able to run Perl scripts easily. This will work even if the script file doesn't have the execute permission. If you are new to it and wondering how to run Perl scripts in the Linux terminal, just use this command: perl Heres a quick example: a 'perl file copy' example use File::Copy somewhere later in the code. Call them ancient but Perl scripts are still a great way of scripting automation tasks for various sysadmin tasks. Perl file copying FAQ: How do I copy a file in Perl You can copy a file in Perl using the File::Copy module.
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