At 11:38 AM 11/4/01 -0800, Wagner-David wrote:
> If you only want to place parens around the input, then you can
> just place it parans like:
> $ARGV[0] = '(' . $ARGV[0] . ')';
Somewhat clearer:
$ARGV[0] = "($ARGV[0])";
> In your original code, you want to work with $ARGV[0] but the
> regex w/o inputs assumes:
>
> $_ =~ s/$ARGV[0]/\($ARGV[0]\)/g;
> which is not what you are after.
>
> If you really want the regex then:
>
> $ARGV[0] =~ s/$ARGV[0]/\($ARGV[0]\)/g;
> would work for you.
Not always, if $ARGV[0] contained regex metacharacters. And those \s are
unnecessary. Much better:
$ARGV[0] =~ s/(.*)/($1)/s;
--
Peter Scott
Pacific Systems Design Technologies
http://www.perldebugged.com
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