#!/bin/sh

export DISPLAY=:0

if [ "`ps x|grep "red /tmp/full.msg"|grep -v grep`" != "" ] ; then
#already warning user
	exit
fi

if [ -f /tmp/alreadywarneddiskfull ] ; then
#dont notify again until after slipped back under limit
	exit
fi

file=/tmp/full.msg.$RANDOM.$$

echo -e "A disk is very nearly full:\n" > $file
df >> $file

/usr/local/bin/red $file

rm $file
touch /tmp/alreadywarneddiskfull