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kantlivelong/gist:d14427d9b5dbb84be54dd13d97f6549b

Created February 26, 2018 16:09
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gistfile1.txt
#!/bin/bash
GPIO_PIN=40
OUTPUT=`gpio -1 read $GPIO_PIN 2> /dev/null`
if [ "$OUTPUT" -eq "0" ]
then
#On
RETVAL=1
elif [ "$OUTPUT" -eq "1" ]
then
#Off
RETVAL=0
else
#Unknown
RETVAL=2
fi
exit $RETVAL
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