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Think about Loose Coupling

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aah ahh not so cool but handy maybe!!
linux peoples can rearrange easely.
run as follow: -i
or without args to get help

#!perl use strict; use warnings; $|++; use Getopt::Long; use Win32::Sound; my $sleep = 60; my $conteggio = 4; my $echook = ( $conteggio - 1 ); my $alarmnum = 3; my $sound; my $volume = 100; my $host; &aiuto() if ( ! GetOptions ( 'ip=s' => \$host, 'sleep=i' => \$sleep, 'conteggio=i' => \$conteggio, 'ok=i' => \$echook, 'alarm=i' => \$alarmnum, 'play=s' => \$sound, 'volume=i' => \$volume, ) or ! $host ); $alarmnum = 3 if $alarmnum < 1; if ( $echook > $conteggio ){ $echook = $conteggio-1 } if (defined $sound && !(-e $sound)) {$sound = 'crow.wav'} while (1){ sleep $sleep; my $ok = &controlla($host); if ($ok < $echook){ for (1..$alarmnum) { &suona() } print "ERROR !\n"; } else {print "OK $host\n";} } sub suona { if (defined $sound && -e $sound) { Win32::Sound::Volume($volume,$volume); Win32::Sound::Play($sound); } else {sleep 1; print"\a\a"} } sub controlla{ my $ok =0; open CMD,"ping -n $conteggio -l 1 $host 2>&1|"; while (<CMD>) {++$ok if $_ =~/$host/;print"."} close CMD; return $ok; } sub aiuto { print <<EOA; USAGE OF $0: $0 -i [-sleep n] [-conteggio n] [-ok n] [-alarm n] [-play + file.wav] [-volume %] -i ping specified IP every 60 seconds 4 times expecting 3 positives repl +y or play 3 system bell during 3 seconds --ip= --sleep = 30 --conteggio = 10 --ok = 5 --alarm = 20 -i -s 30 -c 10 -o 5 -a 20 same of above EOA exit 1; }

In reply to when no ping say 'moo!' by Discipulus

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