patch 8.1.2268: spell file flag zero is not recognized Commit: https://github.com/vim/vim/commit/3d2a47c7823b934e1a85d773b68758c87c3ddc90 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Nov 7 20:48:42 2019 +0100 patch 8.1.2268: spell file flag zero is not recognized Problem: Spell file flag zero is not recognized. Solution: Use -1 as an error value, so that zero can be used as a valid flag number.

#! /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