#!/bin/sh
#
# Routine called by others which outputs the full path of the
# temporary work space.
#
if [ -x /bin/echo ]
then
    Echo=/bin/echo
elif [ -x /usr/bin/echo ]
then
    Echo=/usr/bin/echo
else
    Echo=echo
fi
if [ x$TMPDIR = x ]
then
    TMPDIR='No/Temp/Dir/Env/Defined/This/Time'
fi
#
# Pick largest work area available
# Must be larger than 200 MB
#
max=200
d1=''
[ -d /spool/$USER ] && d1=/spool
for dir in ${d1} ${TMPDIR} /usr/tmp /tmp
do
    [ -d ${dir} ] || continue
    x=`df -m ${dir} | tail -1`
    set ${x}
    if [ ${4} -gt ${max} ]
    then
	work=${dir}
	max=${4}
    fi
done
if [ x$work != x ]
then
    if [ ! -d $work/$USER ]
    then
	mkdir $work/$USER
    fi
fi
if [ -d $work/$USER ]
then
    $Echo $work/$USER
else
    $Echo ''
fi