:
#	@(#) calendar.sh 23.2 91/08/29 
#
#	Copyright (C) 1988-1991 The Santa Cruz Operation, Inc.
#		All Rights Reserved.
#	The information in this file is provided for the exclusive use of
#	the licensees of The Santa Cruz Operation, Inc.  Such users have the
#	right to use, modify, and incorporate this code into other products
#	for purposes authorized by the license agreement provided they include
#	this notice and the associated copyright notice with any such product.
#	The information in this file is provided "AS IS" without warranty.
#
#	Copyright (c) 1984, 1986, 1987, 1988 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#	THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T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.


#	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;;
*)	cat /etc/passwd | \
		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 -s "calendar" ${_user} \
						< /tmp/calendar.$$
				fi
			fi
		done;;
esac
exit 0
