Other potential work-around solutions (after you try Fletch's suggestion):

• File::Glob
• Try to determine, by trial and error, which character is considered "unbalanced", according to your editor. Then try to add that character in a comment after the code. For example, if the editor is unhappy with an odd number of slashes, then this may fix it:

  my $numfdel = unlink <$ARGS[0]/TXT/*/*.clean>; # /
  [download]