MacOS: "-e filename/." returns true even for non-directories.

This has something to do with resource forks.  So use "-d filename/."
instead, which returns false if filename is not a directory.

contrib/bash_completion.d/redo

@@ -23,7 +23,7 @@ __redo_completions()
 			rest=${name#$cur}
 			[ "$cur$rest" != "$name" ] && continue
 			name2="$cur${rest%%/*}"
-			[ -e "$name2/." ] || echo "$name2"
+			[ -d "$name2/." ] || echo "$name2"
 		done
 		
 		# targets named explicitly by .do files