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Article #15465Re: Programa para IPs libres
From: J.A. Gutierrez
Date: Thu, 29 Jun 2000 00:00
Date: Thu, 29 Jun 2000 00:00
61 lines
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2312 bytes
RaοΏ½l (Ridiculum) <Ridiculum@bionichat.com> wrote: : "ping" -c1 $ip_begin por que entre comillas? Aparte de eso, no puedes garantizar que ping devuelva un valor de exit o fail en cualquier unix; ademas, el timeout por defecto es demasiado elevado para redes locales. Para este tipo de cosas, lo mejor es usar 'fping'. Ejemplo (que hace otra cosa distinta) --------------------------------------------------------------------------- #!/bin/sh # # uncomment if your fping is not installed setuid root # #if [ "`id -u`" != "0" ] #then # echo Sorry, $0 requires root privs. # exit 1 #fi TIME=0 TIMEOUT=100 set -- `getopt ht:T: $*` for i in $* do case $i in -t) TIME=$2; shift; shift;; -T) TIMEOUT=$2; shift; shift;; -h) /bin/echo "Use: `basename $0` [-htT] host" /bin/echo "-t: Time (default $TIME)" /bin/echo "-T: Timeout (default $TIMEOUT)" exit 0 ;; esac done shift while : do fping -q -t $TIMEOUT $* &&\ sfplay /usr/local/files/sound/frog.aiff >/dev/null ||\ echo no sleep $TIME done --------------------------------------------------------------------------- -- PGP and other useless info at \ Oh, show us the way http://www.cps.unizar.es/~spd/ \ to the next whisky bar finger://daphne.cps.unizar.es/spd \ Weill/Bretch es doloroso ser sabio y descubrir la sopa de ajo (Pla)
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From: "J.A. Gutierrez" <spd@daphne.cps.unizar.es>
Subject: Re: Programa para IPs libres
Date: 2000/06/29
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