Next command wrapper

next-wrapper

#!/bin/sh
get_next() {
	IFS=:
	id=$(stat -c '%D:%i' "$1")
	prg=
	name=$(basename "$0")
	for p in $PATH ; do
		n="$p/$name"
		if test -e "$n" ; then
			nid=$(stat -c '%D:%i' "$n")
			if test "$id" != "$nid" ; then
				prg="$n"
				break
			fi
		fi
	done
	echo "$prg"
}

n=$(get_next "$0")

if test -n "$n" ; then
	echo Calling: "$n" "$@"
	exec "$n" "$@"
else
	echo No next \"$(basename "$0")\" in \$PATH
	exit 1
fi