#!/usr/bin/perl
# (c) Pali 2019, Perl license

use strict;
use warnings;

use Net::Telnet;
use Time::HiRes qw(usleep);

die "Usage: $0 host pass volume\n" unless @ARGV == 3;
my $host = $ARGV[0];
my $pass = $ARGV[1];
my $vol = $ARGV[2];

my $t = Net::Telnet->new(Timeout => 3, Prompt => '/[^\n]*> $/');

$t->open($host);
$t->waitfor('/Password :$/');
$t->print($pass);
$t->waitfor($t->prompt);

foreach ('open', ('key voldn') x 16, ('key volup') x $vol, 'close') {
	$t->cmd("test $_");
	usleep 200_000;
}

$t->print("exit");
$t->close();