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use CGI; my $cgi = CGI->new; for ($ENV{QUERY_STRING}) { delete $cgi->{param}{keywords} if length && !/[&=]/; } ... rest of the code goes here ...

Of course, the better answer is: stop using CGI.pm; use Plack.

PS: yes, it does have to do with <isindex>. This is a very old HTML tag that was the predecessor to modern HTML forms. It submitted just a single field which was intended as a "search" field. Because only a single field was ever submitted, there was no need for the "&fieldname=" bits of the query string. Thus CGI.pm assumes that when there is no ampersand nor equals sign in the query string, an isindex-style query has been made.

perl -E'sub Monkey::do{say$_,for@_,do{($monkey=[caller(0)]->[3])=~s{::}{ }and$monkey}}"Monkey say"->Monkey::do'

In reply to Re: Unwanted parameter when executing CGI scripts by tobyink
in thread [SOLVED] Unwanted parameter when executing CGI scripts by Nocturnus

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