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if ($2) behaves differently than if (defined $2)

by walto (Pilgrim)
on Apr 15, 2008 at 17:35 UTC ( [id://680590]=perlquestion: print w/replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/perl -w
#
#
...
    $price = $1 . "." . "00";
}
print "$price\n";
  2. or download this
    if (defined $2 ) {
    $price = $1 . "." . $2;
}
else {
    $price = $1 . "." . "00";
}

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