#!/bin/bash
#########################################################
# 							#
# This is BashStyle-NG 7.7				#
#							#
# Licensed under GNU GENERAL PUBLIC LICENSE v3    	#
#							#
# Copyright 2007 - 2009 Christopher Bratusek		#
#							#
#########################################################

white=$(bs-ng-echo $white)
orange=$(bs-ng-echo $orange)
iceblue=$(bs-ng-echo $iceblue)
green=$(bs-ng-echo $green)

NICE_IGNORE=20

case $1 in

	*help )

		echo -e "\n${white}Usage:\n"
		echo -e "${orange}showcpuload${white} |${green} ! no options !\n"

	;;

	* )

		t="0"

		while read cpu ni; do
			if [[ $ni -le $NICE_IGNORE ]]; then
				t="$t + $cpu"
			fi
			if [[ ${cpu%%.*} -eq 0 ]]; then
				break
			fi
		done < <(ps -Ao "%cpu= ni="| sort -r)


		cpu=$(echo "$t" | bc)

		if [[ ! "${cpu#.}x" = "${cpu}x" ]]; then
			cpu="0${cpu}"
		fi

		cpu=${cpu%%.*}

		if [[ $cpu -gt 100 ]]; then
			cpu=100
		fi

		if [[ $cpu -lt 16 ]]; then
			color=${iceblue}
		elif [[ $cpu -lt 26 ]]; then
			color=$(bs-ng-echo $turqoise)
		elif [[ $cpu -lt 41 ]]; then
		        color=$(bs-ng-echo $smoothgreen)
		elif [[ $cpu -lt 61 ]]; then
			color=${green}
		elif [[ $cpu -lt 81 ]]; then
			color=$(bs-ng-echo $yellow)
		else	color=$(bs-ng-echo $red)
		fi

		if [[ $cpu -lt 10 ]]; then
			prepend=00
		elif [[ $cpu -lt 100 ]]; then
			prepend=0
		fi

		if [[ $enabcol == true ]]; then
			echo -e "$color$prepend$cpu"
		else	echo $prepend$cpu
		fi

	;;

esac
