#!/bin/bash

data=$(nvidia-smi --query-gpu=utilization.gpu,temperature.gpu --format=csv,noheader,nounits 2>/dev/null)
if [ -z "$data" ]; then
    printf '%s\n' '{"text":"N/A"}'
    exit 0
fi

usage=$(printf '%s\n' "$data" | cut -d',' -f1 | tr -d ' ')
temp=$(printf '%s\n' "$data" | cut -d',' -f2 | tr -d ' ')
printf '{"text":"%s%% %sC"}\n' "$usage" "$temp"