--- red.in.orig	2022-06-21 15:09:35.779590749 +0500
+++ red.in	2022-06-21 15:16:06.787571779 +0500
@@ -1,3 +1,2 @@
-#! /bin/sh
-bindir=`echo "$0" | sed -e 's,[^/]*$,,'`
-exec "${bindir}"ed --restricted "$@"
+#!/bin/sh
+exec "${0%/*}/ed" --restricted "$@"