Before you get started programming in Perl, you need to pick an editor or and IDE to use. There are plenty of options. Here are a few recommended ones.

Mostly for Linux/Unix

Programmer's editors for Windows

Editor for Mac

Platform independent

IDEs

See also the article about editors and IDEs with some extra comments and check out the Perl IDE and Editor Poll, October 2009 if you like that kind of stuff.

(Unfortunately since the recording of this video Padre is not developed any more. Its source code was moved to GitHub, so it will be very easy for you to pick up the pieces and improve it yourself.)