source: npl/syn3/syn3-scripts/scripts/syn3-status @ 9ec1a22

#!/bin/bash
#Syn-3 state handling script (C)DatuX

source /etc/alert.conf || exit 1

[ -e "$ALERTDIR" ] || exit 0

if tty -s </dev/fd/1;  then
 BACK_UP="\033[1K\033[0G"
 NORMAL="\033[0m"
 WARN="\033[33;1m"
 BAD="\033[31;1m"       
 BOLD="\033[1m"
 GOOD="\033[32;1m"
fi 2>/dev/null


#read options
while [ "${1:0:2}" == "--" ]; do
        #if options are valueless fill them with 1.
        if echo $1|grep = >/dev/null; then
                eval "${1:2}"
        else
                eval "${1:2}"=1
        fi
        shift
done


cd $ALERTDIR
for FACILITY in *; do
        STATE=`cat $FACILITY/state 2>/dev/null`         
        ACK=`cat $FACILITY/ack 2>/dev/null`     

        #skip OK and confirmed if not in verbose mode.
        if ! [[ "$verbose" ]] && ( [[ "$STATE" == "OK" ]] || [[ "$ACK" ]] ); then
                continue;
        fi

        MSG=`cat $FACILITY/msg 2>/dev/null`     

        echo -en "$BOLD$FACILITY: $NORMAL"


        if [[ "$STATE" == "OK" ]]; then
                echo -en "$GOOD";
        elif [[ "$ACK" ]]; then
                echo -en "$NORMAL(confirmed by $ACK) "
        elif [[ "$STATE" == "CAUTION" ]]; then
                echo -en "$WARN";
        elif [[ "$STATE" == "ALERT" ]]; then
                echo -en "$BAD";
        fi
        echo -en "$STATE$NORMAL "

        echo "$MSG";
done