commit https://github.com/vim/vim/commit/05e418d436410cd8bbf5a29ff81e8ad68408b1e8 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Jul 7 16:35:16 2016 +0200 patch 7.4.1994 Problem: True-false test fails. Solution: Filter the dict to only keep the value that matters.

#! /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