From 66d59ef90583b8e8f241155403d184b720d0b29b Mon Sep 17 00:00:00 2001
From: Ken Thompson <ken@research.uucp>
Date: Thu, 18 Jan 1979 17:07:57 -0500
Subject: [PATCH] Research V7 development Work on file bin/calendar

Co-Authored-By: Dennis Ritchie <dmr@research.uucp>
Synthesized-from: v7
---
 bin/calendar | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100755 bin/calendar

diff --git a/bin/calendar b/bin/calendar
new file mode 100755
index 0000000000..d534f02396
--- /dev/null
+++ b/bin/calendar
@@ -0,0 +1,19 @@
+PATH=/bin:/usr/bin
+tmp=/tmp/cal$$
+trap "rm $tmp; exit" 0 1 2 13 15
+/usr/lib/calendar >$tmp
+case $1 in
+-)
+	sed '
+		s/\([^:]*\):.*:\(.*\):[^:]*$/y=\2 z=\1/
+	' /etc/passwd \
+	| while read x
+	do
+		eval $x
+		if test -r $y/calendar; then
+			egrep -f $tmp $y/calendar 2>/dev/null  | mail $z
+		fi
+	done;;
+*)
+	egrep -f $tmp calendar
+esac
-- 
2.20.1