#	Copyright (c) 1984 AT&T
#	  All Rights Reserved

#	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T
#	The copyright notice above does not evidence any
#	actual or intended publication of such source code.
#	ATT: ident	"calendar:calendar.sh	1.7"
#ident	"%Z%calendar:%M%	%I%"
#	calendar.sh - calendar command, uses /usr/lib/calprog

PATH=/bin:/usr/bin
_tmp=/tmp/cal$$
trap "rm -f ${_tmp} /tmp/calendar.$$; trap '' 0; exit" 0 1 2 13 15
/usr/lib/calprog > ${_tmp}
case $# in
0)	if [ -f calendar ]; then
		egrep -f ${_tmp} calendar
	else
		echo $0: `pwd`/calendar not found
	fi;;
*)	
#test if ypbind is up
	ps -el > /tmp/t1
	if grep ypbind /tmp/t1 > /dev/null
	then
		/etc/yp/getpwent > /tmp/t1	
	else
		cat /etc/passwd > /tmp/t1
	fi
	cat /tmp/t1 | \
	sed 's/\([^:]*\):.*:\(.*\):[^:]*$/_dir=\2 _user=\1/' | \
	while read _token; do
		eval ${_token}	# evaluates _dir= and _user=
		if [ -s ${_dir}/calendar ]; then
			egrep -f ${_tmp} ${_dir}/calendar 2>/dev/null \
				> /tmp/calendar.$$
			if [ -s /tmp/calendar.$$ ]; then
				mail ${_user} < /tmp/calendar.$$
			fi
		fi
	done
	rm /tmp/t1;;
esac
exit 0
