note
plaid
What you'll need to do is, as described above, create
some type of data structure out of the file beforehand.
What you might want to do is start with a chunk of code like
<code>
my($category, $subcategory) = split(/&/, $ENV{'QUERY_STRING'});
if($subcategory ne "") {
# Read in the file and look for the subcategory
# specified, as you are already doing
}
else {
# Read in the file and count the values in the
# subcategory, as per turnstep's answer above.
}
</code>
This would get you the desired behavior of having a CGI
that can handle with and without a subcategory.
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