patch 8.2.1830: MS-Windows: Python3 issue with stdin Commit: https://github.com/vim/vim/commit/c6ed254d9fda0ff54cdedce5597ff3e0d0218d18 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 10 23:26:28 2020 +0200 patch 8.2.1830: MS-Windows: Python3 issue with stdin Problem: MS-Windows: Python3 issue with stdin. Solution: Check if stdin is readable. (Ken Takata, closes https://github.com/vim/vim/issues/7106)

#! /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