patch 8.1.0025: no test for the undofile() function commit https://github.com/vim/vim/commit/e5fa11186fde4a19e505eba403d3af8c61d11304 Author: Bram Moolenaar <Bram@vim.org> Date: Sat May 26 18:46:30 2018 +0200 patch 8.1.0025: no test for the undofile() function Problem: No test for the undofile() function. Solution: Add test. (Dominique Pelle, closes https://github.com/vim/vim/issues/2958)

#! /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