other ideas ?

Use CGI.pm (docs) to parse your parameters? It will save you time, effort, pain, sweat, and bugs. Check out Ovid's web programming course (particularly Lesson Two) for tips on how to get started.

perl -pe '"I lo*`+$^X$\"$]!$/"=~m%(.*)%s;$_=$1;y^+*`^ ve^#$&V"+@( NO CARRIER'