I second theorbtwo's recommendation to use Vars(), but in quick testing it looks like you can declare a hash and pass a
reference to it as an argument to ReadParse():
my %vars;
CGI::ReadParse(\%vars);
I used %vars to illustrate it could have any name, but of course you could use %in if you needed for compatibility.
UPDATE: And clintp is right on both counts, by the
way. So, if you are going to use ReadParse() you are
probably best off declaring our %in; and forgetting about it. But "there's more than one way to do
it," and all of that. :)
- Matt Riffle
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