Perl Hashes

Variables whose names begin with % are hashes, which are essentially arrays subscripted by strings. As with arrays, %sue is a hash, and it is a different variable from $sue, though members of %sue are selected by $sue{$s}.

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Hello World in Perl

Watch out! This tutorial is over 2 years old. Please keep this in mind as some code snippets provided may no longer work or need modification to work on current systems.

This is how you would display “Hello World” in Perl. It’s quite similar to Bash, but note the differences carefully!

Create a text file called hello_world.pl containing the following code:

Navigate to a directory where your hello_world.pl is located and make the file executable:
Now you are ready to execute your first perl script: