patch 8.0.0251: not easy to select Python 2 or 3 commit https://github.com/vim/vim/commit/f42dd3c3901ea0ba38e67a616aea9953cae81b8d Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jan 28 16:06:38 2017 +0100 patch 8.0.0251: not easy to select Python 2 or 3 Problem: It is not so easy to write a script that works with both Python 2 and Python 3, even when the Python code works with both. Solution: Add 'pyxversion', :pyx, etc. (Marc Weber, Ken Takata)

#! /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