Perl is a dynamic programming language created by Larry Wall and was first released in 1987. Perl borrows features from a variety of other languages including C, bash, AWK, sed and Lisp.

Perl is usually good for searching for data and matching variables. Structurally, most people believe that Perl is a brainfuck comparable to that of brainfuck.

For moar info, see Perl.

Some of the tools the Insurgency uses, such as mt_pulse.pl, use Perl. Linux and BSD distros usually include Perl as a default package. Windows users should get Strawberry Perl and Macfags should get ActivePerl from the link below.

1. Download the Strawberry Perl installer from here.
2. Run the program and follow the instructions
3. Open Command prompt and run perl -v, You should see The is perl.. This means Perl is installed properly.