Perl is easy fast and its fun to code in perl. Perl is rich with various packages N/w programming is very easy and there are lot more advantages to say.
Unlike othere programming languages Perl has builting support for regex. just cut down your peice as fast as you can with regex ( If you are master in regex ).
It is having the features of scripting (Shell) as well as programming (like C). Using PERL you can easily do the system administration works where comparitively difficult with Shell script.