Clifford Wolf:

misc/archive/bked.sh

@@ -22,5 +22,15 @@
 # 
 # --- ROCK-COPYRIGHT-NOTE-END ---
 
-for x ; do [ -f $x.orig ] || cp -v $x $x.orig ; done
-$EDITOR "$@"
+for x; do
+	if [ "${x#-}" != "$x" ]; then
+		continue
+	fi
+	if [ ! -f $x.orig ]; then
+		touch $x
+		cp -v $x $x.orig
+	fi
+done
+
+${EDITOR:-vi} "$@"
+

misc/archive/xdiff.sh

@@ -22,8 +22,10 @@
 # 
 # --- ROCK-COPYRIGHT-NOTE-END ---
 
-list="`find $* -name '*.orig'`"
-
-for x in $list
-do diff -ud $x `echo $x | sed 's,\.orig$,,'`
+for x in $( { find "$@" -name '*.orig' -type f; find "$@" -maxdepth 0 -type f; } | sed 's,\.orig$,,' | sort -u; )
+do
+	if [ -f "$x" -a -f "$x.orig" ]; then
+		diff -ud "$x.orig" "$x"
+	fi
 done
+