http://www.perlmonks.org?node_id=16627


in reply to Re: Running External Commands
in thread Running External Commands

Since you've almost mentioned taint checking, I figured I'd jump in with a link to a taint checking FAQ.

CGI/Perl Taint Mode FAQ

Taint checking, for those that don't know, is how you solve the "be very careful" issue that Michalis mentioned.