One question I'd like to ask is what you want this for? In case you're trying to write a CGI script, then use CGI; rather than rolling your own solution.
Makeshifts last the longest.
Comment on Re: Having problem with url space conversion
Becoz i need to get back the parameter past from the uri to make a search command base on the keyword. eg. www.perl.com/name=calvin%20boy. Anyway thank for all the help, i'm very appreciate all the help from u all. it really solve my problem.