initial commit

cpu_usage

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+USAGE_DATA_1=$(cat /proc/stat | grep "cpu ")
+sleep 1
+USAGE_DATA_2=$(cat /proc/stat | grep "cpu ")
+
+IFS=" " read -r -a DATA_1 <<< "$USAGE_DATA_1"
+IFS=" " read -r -a DATA_2 <<< "$USAGE_DATA_2"
+
+SUM_STR="0"
+for i in "${!DATA_1[@]}"; do
+	if [ "$i" -ne "0" ]; then
+		SUM_STR="$SUM_STR + ${DATA_2[i]} - ${DATA_1[i]}"
+	fi
+done
+SUM=$(echo $SUM_STR | bc)
+TIME_IDLE=$(echo "${DATA_2[4]} - ${DATA_1[4]}" | bc)
+USAGE=$(echo "100 - (100 * $TIME_IDLE / $SUM)" | bc)
+
+echo "$USAGE%"
+echo "$USAGE%"
+
+if [ "$USAGE" -gt "80" ]; then
+	echo "#CC241D"
+fi