I took a closer look at your script and you don't need CGI::Vars at all. You may want to read the documentation on CGI.pm. Your missing a lot of oppurtunities. Here are few corrections that may have you up and going quickly.

On this line we're creating %params.
my (%params) = $query->Vars;

CGI.pm has a function for this: param. To access any parameter, just call param('any'). To use it as a function we need to change use CGI; to use CGI qw/param/;

Now that we can access param directly, let's make a few changes.

my ($command) = $params{'command'};
touch() if ($command eq "touch");
addlink() if ($command eq "add");
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becomes:

touch()   if param('command') eq 'touch';
addlink() if param('command') eq 'add';
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---------

errorpage("You must fill in both fields!") if (($params{'name'} eq "")
              || ($params{'url'} eq ""));
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becomes:

errorpage('You must fill in both fields!')
    if param('name') eq '' || param('url') eq '';
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---------
print FILE $params{'name'}." ".$params{'url'}."\n";becomes: print FILE param('name'), ' ', param('url'), "\n";
HTH,
Charles K. Clarkson