You may have already tried this, but when I've run into this kind of test, I end up writing the clunky: 

...
   if ( defined $args->{err} and $args->{err} ) {
      print "There is a problem : $args->{err}\n";
   }
...

[download]
Which bugged me in perl ~5.6. DWIM gone awry, me thinks.

HTH

-Ducky

In reply to Re: Use of uninitialized value in string by ducky
in thread Use of uninitialized value in string by c

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