--- /dev/null	Thu Oct 16 09:27:24 1997
+++ ./pnm/pnmsmooth.orig	Mon Oct  4 05:11:56 1993
@@ -0,0 +1,20 @@
+#!/bin/sh
+#
+# pnmsmooth - smooth out an image by replacing each xel with the
+#             average of its nine immediate neighbors
+
+tmp=/tmp/psm.$$
+rm -f $tmp
+
+cat > $tmp << MOO
+P2
+3 3
+18
+10 10 10
+10 10 10
+10 10 10
+MOO
+
+pnmconvol $tmp ${1+"$@"}
+
+rm -f $tmp