On Friday, May 3, 2002, at 02:57 , Jerry Preston wrote:

> I tried the following:
>
>         if( ! defined( $x = readlink( "$fp/$program" ))) {
>   print "2 programs $program*'$x'*\n";
>           $programs{ program }{ $program } = "$fp/$program";
>         }
>
> and all I get is '';

let's try the 'step back' process
        
        my $x = readlink( "$fp/$program" );
        if ( $x ) {
                # we know that $x is now what the Link Points To
        } else {
                # what ever "$fp/$program" is, it is not a symbolic link.
        }

to illustrate in more depth I have updated:

http://www.wetware.com/drieux/CS/lang/Perl/Beginners/linkToNowhere.txt

ciao
drieux

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