patch 8.2.1821: Vim9: concatenating to a NULL list doesn't work Commit: https://github.com/vim/vim/commit/1a73923705744ab8297dd856d194e20297563456 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 10 15:37:58 2020 +0200 patch 8.2.1821: Vim9: concatenating to a NULL list doesn't work Problem: Vim9: concatenating to a NULL list doesn't work. Solution: Handle a NULL list like an empty list. (closes https://github.com/vim/vim/issues/7064)

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done