#! Perl
use vars qw($on $pwrlvl);
use strict;

my $on = "no";
my $pwrlvl = "3";
my $fl = "Flashlight";

print "You are holding a flashlight. What will you do? \n";
print "(TurnOn, TurnOff, Flash, ChangePowerLevel, ExitProgram)\n";
print "/Status Checks/=\\ pwrlvl, ison \\\n";

while(<STDIN>) {
    chomp;
    if (/^Change/) {
        print "Enter Level: ";
        chomp (my $lvl=<STDIN>);
        print $fl->ChangePowerLevel("$lvl");
        print "\n";
    } elsif (/^(exit|q|end|x|quit)/i) {
        exit;
    } else {
        print $fl->$_ ."\n";
    }
}

{ #1
package Flashlight;

sub TurnOn {
    $on = "yes";
    return "The light is on.";
}
sub TurnOff {
    $on = "no";
    return "Light is now off.";
}
sub Flash {
    if ($on eq "no") {
        return "A flash of light beams through the air!";
    } else {
        return "The flashlight is on already.";
    }
}
sub ChangePowerLevel {
    my $class = shift;
    my $level = shift;
    $pwrlvl = $level;
    return "The Power level is set at $pwrlvl";
}
sub pwrlvl {
    return "Power is at $pwrlvl";
}
sub ison {
    return "Is it on? Well, $on";
}
}
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Commands: ison, pwrlvl, ChangePowerLevel, TurnOn, TurnOff, Flash

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Llama: The other other white meat!
(you had to be there :-P)