#!/bin/bash
HOSTS="
    despina.informatimago.com
    galatea.informatimago.com
    larissa.informatimago.com
    thalassa.informatimago.com
    hermes.afaa.asso.fr
"

AHOSTS=
for h in $HOSTS ; do 
    ping -q -c 1 -w 4 $h >/dev/null 2>&1 \
    && AHOSTS="$AHOSTS $h"
done

for h in $AHOSTS ; do
    printf "%-16s" ${h/\.*/} ; ssh $h "$@"
done

#END#