:
# diff two TET journals, allowing for activity nos., times and PIDs
# if differences detected then use sdiff if it exists.

SEDCMD='
	s/|[0-9][0-9]*/|ACT/
	s/^\([^|]*|[^|]*\)..:..:../\1HH:MM:SS/
	/^520/s/\(  *[^ ]*\)  *[^ ]*/\1 PID/
'

TMP1=/tmp/jdiff1.$$
TMP2=/tmp/jdiff2.$$

trap "rm -f $TMP1 $TMP2; exit" 1 2 3 15

sed "$SEDCMD" "$1" > $TMP1 &
sed "$SEDCMD" "$2" > $TMP2 &

wait

type sdiff 2>&1 >/dev/null
if [ $? -eq 0 ]
then
	diff $TMP1 $TMP2 2>&1 >/dev/null
	rc=$?
	if [ $? -eq 1 ]
	then
		sdiff -l  $TMP1 $TMP2
	fi
else
	diff $TMP1 $TMP2 
	rc=$?
fi
rm -f $TMP1 $TMP2

exit $rc