If you use CGI, as you appear to, then you'll be prompted for parameters when the script runs from the command line. Enter them in parameter=value pairs with a return after each, and hit ctrl-D when you're done to continue running the script. If you don't use CGI.pm, this would probably be a good time to start.

And you will need to remove the taint flag, else perl will rightly complain that it's too late for that. You can use it on the command line instead. I'd leave the warnings flag there though, if I were you. Slightly defeats the object to use it only when you can't see the output...

update or, as wardk says, by appending name=value pairs, which is easier when you have to do it repeatedly, but i seem to have got out of the habit. still depends on using CGI.pm. all the details are in the docs.