Actually the if is separate from the loop. If there are any elements in the arrayref a flag needs to be set for later that is separate from what is happening in the loop. So its something like this: 
   if ( $arrayref && @$arrayref ) {
      # set the flag
   }
   ...
   foreach my $element (@$arrayref) {
     # do stuff
   }

[download]
Of course i could set it in the loop, but then its being set multiple times.
I use the most powerful debugger available: print!

In reply to Re^4: Using undef scalar as arrayref by shemp
in thread Using undef scalar as arrayref by shemp

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