#! /usr/local/bin/perl_wrapper
  print "Hello World!\n";

##</code><code>##

  #! /usr/bin/env /usr/local/bin/perl_wrapper
  print "Hello World!\n";

##</code><code>##

  #! /usr/bin/env /usr/local/bin/perl_wrapper -w
  print "Hello World!\n";

##</code><code>##

  /usr/bin/env: /usr/local/bin/perl_wrapper -w: No such file or directory