#Can we load Module.pm?
if(eval q{ require Module }) {

  #Yes, found Module.pm in @INC

  #Make sure you explicitly call it's import() routine
  Module->import; 
  print 'Found Module';

} else {

  #No, Module.pm is not in @INC, die with a stacktrace
  croak 'Could not locate Module in @INC';
}