Deleted check_temp due to renamed file with a .sh extension
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check_temp
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check_temp
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#!/bin/bash
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################################################################################
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# #
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# Copyright (C) 2011 Jack-Benny Persson <jake@cyberinfo.se> #
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# #
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# This program is free software; you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation; either version 2 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program; if not, write to the Free Software #
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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# #
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################################################################################
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###############################################################################
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# #
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# Nagios plugin to monitor CPU and M/B temperature with sensors. #
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# Written in Bash (and uses sed & awk). #
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# Version 0.2: Line 98, fixed the missing "-n" option (Thanks to Chad who #
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# pointed this out for me). Also added a "shopt -s extglob". (Thx to Chad) #
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# Version 0.5: Line 162, fixed a typo (EXIT_UNKNOWN to STATE_UNKNOWN) #
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###############################################################################
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VERSION="Version 0.5"
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AUTHOR="(c) 2011 Jack-Benny Persson (jack-benny@cyberinfo.se)"
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# Sensor program
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SENSORPROG=/usr/bin/sensors
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# Exit codes
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STATE_OK=0
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STATE_WARNING=1
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STATE_CRITICAL=2
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STATE_UNKNOWN=3
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shopt -s extglob
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#### Functions ####
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# Print version information
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print_version()
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{
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printf "\n\n$0 - $VERSION\n"
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}
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#Print help information
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print_help()
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{
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print_version
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printf "$AUTHOR\n"
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printf "Monitor temperatur with the use of sensors\n"
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/bin/cat <<EOT
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Options:
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-h
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Print detailed help screen
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-V
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Print version information
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-v
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Verbose output
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--sensor WORD
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Set what to monitor, for example CPU or MB (or M/B). Check sensors for the
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correct word. Default is CPU.
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-w INTEGER
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Exit with WARNING status if above INTEGER degres
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-c INTEGER
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Exit with CRITICAL status if above INTEGER degres
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EOT
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}
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###### MAIN ########
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# Warning threshold
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thresh_warn=
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# Critical threshold
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thresh_crit=
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# Hardware to monitor
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sensor=CPU
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# See if we have sensors program installed and can execute it
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if [[ ! -x "$SENSORPROG" ]]; then
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printf "\nIt appears you don't have sensors installed in $SENSORPROG\n"
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exit $STATE_UNKOWN
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fi
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# Parse command line options
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while [[ -n "$1" ]]; do
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case "$1" in
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-h | --help)
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print_help
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exit $STATE_OK
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;;
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-V | --version)
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print_version
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exit $STATE_OK
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;;
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-v | --verbose)
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: $(( verbosity++ ))
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shift
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;;
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-w | --warning)
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if [[ -z "$2" ]]; then
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# Threshold not provided
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printf "\nOption $1 requires an argument"
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print_help
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exit $STATE_UNKNOWN
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elif [[ "$2" = +([0-9]) ]]; then
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# Threshold is an integer
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thresh=$2
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else
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# Threshold is not an integer
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printf "\nThreshold must be an integer"
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print_help
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exit $STATE_UNKNOWN
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fi
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thresh_warn=$thresh
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shift 2
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;;
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-c | --critical)
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if [[ -z "$2" ]]; then
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# Threshold not provided
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printf "\nOption '$1' requires an argument"
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print_help
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exit $STATE_UNKNOWN
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elif [[ "$2" = +([0-9]) ]]; then
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# Threshold is an integer
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thresh=$2
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else
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# Threshold is not an integer
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printf "\nThreshold must be an integer"
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print_help
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exit $STATE_UNKNOWN
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fi
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thresh_crit=$thresh
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shift 2
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;;
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-?)
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print_help
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exit $STATE_OK
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;;
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--sensor)
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if [[ -z "$2" ]]; then
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printf "\nOption $1 requires an argument"
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print_help
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exit $STATE_UNKNOWN
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fi
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sensor=$2
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shift 2
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;;
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*)
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printf "\nInvalid option '$1'"
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print_help
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exit $STATE_UNKNOWN
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;;
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esac
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done
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# Check if a sensor were specified
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if [[ -z "$sensor" ]]; then
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# No sensor to monitor were specified
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printf "\nNo sensor specified"
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print_help
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exit $STATE_UNKNOWN
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fi
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#Get the temperature
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TEMP=`${SENSORPROG} | grep "$sensor Temp" | awk '{print $3}' | cut -c2-3`
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# Check if the tresholds has been set correctly
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if [[ -z "$thresh_warn" || -z "$thresh_crit" ]]; then
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# One or both thresholds were not specified
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printf "\nThreshold not set"
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print_help
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exit $STATE_UNKNOWN
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elif [[ "$thresh_crit" -lt "$thresh_warn" ]]; then
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# The warning threshold must be lower than the critical threshold
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printf "\nWarning temperature should be lower than critical"
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print_help
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exit $STATE_UNKNOWN
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fi
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# Verbose output
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if [[ "$verbosity" -ge 2 ]]; then
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/bin/cat <<__EOT
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Debugging information:
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Warning threshold: $thresh_warn
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Critical threshold: $thresh_crit
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Verbosity level: $verbosity
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Current $sensor temperature: $TEMP
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__EOT
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printf "\n Temperature lines directly from sensors:\n"
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${SENSORPROG} | grep "Temp"
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printf "\n\n"
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fi
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# And finally check the temperature against our thresholds
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if [[ "$TEMP" -gt "$thresh_crit" ]]; then
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# Temperature is above critical threshold
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echo "$sensor CRITICAL - Temperature is $TEMP"
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exit $STATE_CRITICAL
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elif [[ "$TEMP" -gt "$thresh_warn" ]]; then
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# Temperature is above warning threshold
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echo "$sensor WARNING - Temperature is $TEMP"
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exit $STATE_WARNING
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else
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# Temperature is ok
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echo "$sensor OK - Temperature is $TEMP"
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exit $STATE_OK
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fi
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exit 3
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