tempgraph.sh

#!/bin/bash

# See if the first argument is there, its the sleep time
if [ -z $1 ]
then
    s=1
else
    s=$1
fi

# The 5 represents approx. the number of lines needed for the graph title and key
i=5
# Forever loop
while :
do
    # Get the current UNIX timestamp
    t=$(date +%s)
    # Poll the sensors, looking for CPU and GPU readings, and print the ts, gpuT then cpuT out to the data file
    sensors | awk -v t=$t 'BEGIN {ORS = " "; print t} /Tdie|edge/ {print substr($2, 2, 4)} END {print "\n"}' >> ~/temperatureData.dat
    # Check if we've gotten enough new readings to just go by the LINES variable
    # (Its halved because every sensor poll line equals two graph lines)
    if (( $i < $LINES / 2 ))
    then
        l=$i
        let "i++"
    else
        l=$(($LINES / 2))
    fi
    #clear
    # Prepare a headed graph file (with the echo) and extract the tailing data entries to graph
    (echo "@ GPU,CPU"; tail -n $(($l - 3)) ~/temperatureData.dat) | termgraph --title "Component Temperatures (Celcius)" --no-labels --color {magenta,red}
    # Sleep for however long indicated (see first few lines) then poll again
    sleep $s
done