Guide to the PERL programing language

---

Perl is a very useful scripting language, but a very confusing one. The is an adage, Perl is a write only language, because it is quick to write a script but very hard to read.

Basics

• Howto open a file using PERL
• Howto make substitutions in strings using PERL

Modules

• Howto install PERL modules

Other

• Howto find the contents of a directory using PERL