#!/usr/bin/perl

require "sys/ioctl.ph";

open( FH, "/dev/console" ) ||
                die "cannot open console";

$KDSETLED = 0x4B32;
$KDGETLED = 0x4B31;
$LED_SCR  = 0x01;
$LED_NUM  = 0x02;
$LED_CAP  = 0x04;

ioctl(FH, $KDGETLED, $orig);

$i = 0;
$i |= $LED_NUM;
ioctl(FH, $KDSETLED, $i);
sleep( 2 );

$i = 0;
$i |= $LED_CAP;
ioctl(FH, $KDSETLED, $i);
sleep( 2 );

$i = 0;
$i |= $LED_SCR;
ioctl(FH, $KDSETLED, $i);
sleep( 2 );

ioctl(FH, $KDSETLED, $orig);