Check host
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#!/bin/bash WAIT="-w 1" while getopts H:w: opt do case $opt in w) WAIT="-w $OPTARG" ;; H) HOST="$OPTARG" ;; esac done if ! test -z "$HOST" then if ping $WAIT -c 1 -q $HOST > /dev/null then echo "$HOST OK" exit 0 else echo "$HOST FAILED" exit 2 fi else echo "$HOST PARAMETER MISSING" exit 3 fi