record.sh

#!/bin/bash
# Extract temperature and voltage from sysinfo.sh
# Use it like ./record.sh >> recording.txt
LOOP=true
while [[ "${LOOP}" == "true" ]]; do
    ./sysinfo.sh | grep -E 'temp=|volt=' > snap.txt
    #
    while read line; do
        # echo $line
        if [[ "$line" == *"temp"* ]]; then
            temp=${line#*=}
            temp=${temp::-2}
            # echo -e "Temp: ${temp}"
        elif [[ "$line" == *"volt"* ]]; then
            volt=${line#*=}
            volt=${volt::-1}
            # echo -e "Volt: ${volt}"
        fi
    done < snap.txt
    #
    echo -e "{ \"temp\": ${temp}, \"volt\": ${volt} }"
    #
    sleep 1
done