in reply to xml - empty node

read perlintro and length

if( length $foo ){ print 1 } else { print 2 }

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Re^2: xml - empty node
by Lotus1 (Vicar) on Apr 24, 2013 at 14:50 UTC

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

[reply]
[d/l]

      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 | ";
   }

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