use IO::Prompt::Hooked;

my $result = prompt (
  message  => 'Shall we continue? (yes/no)',
  default  => 'yes',
  validate => qr/^(?:yes|no)$/i,
  error    => "The only two options are 'yes' or 'no'.  Try again.\n",
);

if ( $result =~ m/^no$/i ) {
  print "Ok, we're done.\n";
  exit( 0 );
}

print "Great... let's continue...\n";
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I'm wondering, if you're having trouble taking user input and branching your logic, who wrote the part of your script that's working great?