#!/bin/sh


# Little helper script to clean up the nasty embeded commands in my tmux configuration
# Functions ripped out of `mkshrc`, worth checking out

_sys_memory() {
	if [ `uname` = "Linux" ] ; then
		vmstat | tail -n1 | awk '{print $4/1024}' | sed -e's/\..*$//g'
	elif [ `uname` = "FreeBSD" ] ; then
		vmstat | tail -n1 | awk '{print $5/1024}' | sed -e's/\..*$//g'
	elif [ `uname` = "OpenBSD" ] ; then
		vmstat | sed -n '$p' | awk '{print $4}' | sed 's/M$//'
	fi
}

_sys_load() {
	# Works on BSD too, neat.
	uptime | sed -re's/^.*load averages?: ([0-9]+\.[0-9]+).*$/\1/g'
}

_sys_uptime() {
	# Took awhile to figure out, but this works on BSD as well
	uptime | sed -re's/^.*up[ 	]+//g' -e's/^([^,]*),.*/\1/g' -e's/^([^ 	]+)[ 	]*(.).*/\1\2/g'
}


_sys_$1