patch 8.2.1973: finding a patch number can be a bit slow Commit: https://github.com/vim/vim/commit/232f4612e2b0a6a205ae385740078f6b8af05e75 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Nov 10 20:54:29 2020 +0100 patch 8.2.1973: finding a patch number can be a bit slow Problem: Finding a patch number can be a bit slow. Solution: Use binary search. (closes https://github.com/vim/vim/issues/7279)

#! /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