I'm using " defined $thing && $thing ne '' " stuff too much, so, I've wrapped this in a sub :) 
sub zot ($) { # zero_or_true
   defined($_[0]) && $_[0] ne '';
}

# later...

my $choice = zot param('choice') ? param('choice') : 1;

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HTH

In reply to Re: param = 0, not NULL by Burak
in thread param = 0, not NULL by Spenser

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