in reply to Re: xml - empty node
in thread xml - empty node

length() isn't needed here since $foo is the result of $_->to_literal which returns either a string an empty string.

Replies are listed 'Best First'.
Re^3: xml - empty node
by Anonymous Monk on Apr 24, 2013 at 14:59 UTC

    length() isn't needed here

    sure it is, it clarifies intent

[reply]

      Then this is even clearer. :)

         if (length $artist > 0){
      print "$artist | ";
   }
   else {
      print "0 | ";
   }

      [download]
[reply]
[d/l]

In Section Seekers of Perl Wisdom