#!/usr/bin/perl -w

use strict;

# builtin triggers
my %triggers;

# add triggers from params
my $trigger_name = shift @ARGV;
my $trigger_action_str = shift @ARGV;

$triggers{$trigger_name} = sub { eval $trigger_action_str; };

my $buff = "You are fired!";

foreach my $trigger ( keys ( %triggers ) )
{
  if ( $buff =~ /$trigger/ )
  {
    print &{$triggers{$trigger}};
  }
}