Shell script which log temperature to a temp file

temp.sh

#!/usr/bin/env sh

# sensors, hddtemp and nvidia-smi commands should be in path

CORE0_TEMP=$(sensors | grep 'Core 0' | awk -F':' '{print $2}' | awk -F'(' '{print $1}' |tr -d ' +')
CORE1_TEMP=$(sensors | grep 'Core 1' | awk -F':' '{print $2}' | awk -F'(' '{print $1}' |tr -d ' +')
HDD_TEMP=$(hddtemp /dev/sdb |awk '{ print $3}')
GPU_TEMP=$(nvidia-smi -a |grep "GPU Current Temp" |awk '{ print $5}')

OUT_FILE=/tmp/$(date +%Y-%m-%d).temp.log

DATETIME=$(date +"%Y-%m-%d %T")

echo "$DATETIME; $CORE0_TEMP; $CORE1_TEMP; $HDD_TEMP; $GPU_TEMP°C;" >> $OUT_FILE