patch 9.0.0240: crash when using ":mkspell" with an empty .dic file Commit: https://github.com/vim/vim/commit/6669de1b235843968e88844ca6d3c8dec4b01a9e Author: Bram Moolenaar <Bram@vim.org> Date: Sun Aug 21 20:33:47 2022 +0100 patch 9.0.0240: crash when using ":mkspell" with an empty .dic file Problem: Crash when using ":mkspell" with an empty .dic file. Solution: Check for an empty word tree.

#! /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