File check_temperature of Package clewarecontrol

#!/bin/sh

if [ -z "$1" -o -z "$2" -o -z "$3" ] ; then
        echo "CRITICAL - Parameter(s) missing (Warning Critical)."
        exit 2
fi

PARAM1=`echo $1 | tr -c -d [:digit:]`
PARAM2=`echo $2 | tr -c -d [:digit:]`
PARAM3=`echo $3 | tr -c -d [:digit:]`

if [ "$1" != "$PARAM1" -o "$2" != "$PARAM2" -o "$3" != "$PARAM3" ] ; then
        echo "CRITICAL - invalid parameter(s), only integers allowed."
        exit 2
fi

/usr/bin/clewarecontrol -l | grep -P "serial\snumber\:\s$PARAM3"  >> /dev/null
if [ $? -ne 0 ]; then
    echo "CRITICAL - invalid parameter, serial number not found"
    exit 2
fi

MEASURED_TEMPERATURE=`/usr/bin/clewarecontrol -d $PARAM3 -rt 2> /dev/null | grep 'Temperature' | awk '{ print $2; }' | sed '1!{$!d}'`

NAGIOS_TEMPERATURE=`echo $MEASURED_TEMPERATURE  | sed -e "s/^\([0-9]*\).*$/\1/g"`
if [ -z "$NAGIOS_TEMPERATURE" ] ; then
        echo "CRITICAL - invalid temperature $MEASURED_TEMPERATURE | temperature=$MEASURED_TEMPERATURE"
        exit 2
fi
if [ $NAGIOS_TEMPERATURE -gt $2 ] ; then
        echo "CRITICAL - temperature above $2 - $MEASURED_TEMPERATURE | temperature=$MEASURED_TEMPERATURE"
        exit 2
fi

if [ $NAGIOS_TEMPERATURE -gt $1 ] ; then
        echo WARNING - "temperature above $1 - $MEASURED_TEMPERATURE | temperature=$MEASURED_TEMPERATURE"
        exit 1
fi

echo OK - "temperature is $MEASURED_TEMPERATURE | temperature=$MEASURED_TEMPERATURE"
exit 0