#!/usr/bin/perl
use strict;

local $\ = '-' x 40 . "\n";
eval { my $test = CGI::thisFunctionDoesNotExist() };
print $@;

eval { my $test = thisFunctionDoesNotExist CGI() };
print $@;

eval { my $test3 = new Some::Package::That::Doesnt::Exist() };
print $@;

# A function that does not exist in main::
functionThatDoesntExist('test');
exit;

sub UNIVERSAL::AUTOLOAD {
  my $method = $UNIVERSAL::AUTOLOAD;
	
  # So that we have the Carp methods without
  # cluttering up our UNIVERSAL namespace
  use Carp ();
	
  # First, if they are in the main namespace,
  # Fail, since we don't have a package to load
  if ($method =~ /^main::/) {
    Carp::croak("AUTOLOAD failed: $method");
  }
	
  # Else, split the name into package and method names
  my @methodParts = split('::', $method);
  my $methodName = pop(@methodParts);
  my $package = join('::', @methodParts);
	
  # Now, load the package.
  # Die if it fails
  eval "use $package";
  Carp::confess($@) if ($@);
	
  # If you made it here, do standard autoload stuff
	
  # Check which form of method call this is
  # This will catch the packageName::methodName format
  # The methodName packageName format is already good
  if ($_[0] ne $package) {
    unshift @_, $package;
  };
	
  no strict;
  # the goto call will pass along @_ transparently
  goto &$method;
};