#!/usr/bin/env sh

#Modify this to point to your temperature probe
dir=/sys/bus/w1/devices/[some-hexadecimals]

# DO NOT MODIFY

# Sanity check
which bc 2>&1 >/dev/null || { echo "PROBE ERROR: 'bc' not found. Please install bc." >&2; exit 1; }

# Retrieve temperature in Celsius
raw=$(grep 't=' $dir/w1_slave | awk -F'=' '{print $2}')
echo "scale=3; ${raw}/1000" | bc -l && exit 0
exit 1