I now have some inkling of what the problem might be. I suspect you're missing some very fundamental knowledge. Don't panic about this: none of us was born with this information and you just haven't learned it yet. I can probably take you through this step-by-step but first I'll need some information. Please type
at your command prompt and then post the full output (within <code>...</code> tags). Here's an example from my system (my command prompt is "$ " - you don't type this):
$ perl -v
This is perl 5, version 14, subversion 2 (v5.14.2) built for darwin-th
Copyright 1987-2011, Larry Wall
Perl may be copied only under the terms of either the Artistic License
+ or the
GNU General Public License, which may be found in the Perl 5 source ki
Complete documentation for Perl, including FAQ lists, should be found
this system using "man perl" or "perldoc perl". If you have access to
Internet, point your browser at http://www.perl.org/, the Perl Home Pa
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