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ddierickx/gist:646434a9603ca9c8c06e

Created December 24, 2015 11:08
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gistfile1.txt
#!/bin/bash
GPIO_PORT=13
HOSTS=(A B C)
for host in ${HOSTS[@]}; do
ping "$host" -c1 > /dev/null
if [ "$?" = "0" ]; then
gpio mode $GPIO_PORT output && gpio write $GPIO_PORT 1
exit 0
fi
done
gpio mode $GPIO_PORT output && gpio write $GPIO_PORT 0
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