patch 8.1.1438: some commands cause trouble in a popup window commit https://github.com/vim/vim/commit/815b76bff618c07226653e11f29c4d3c5640b63a Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 1 14:15:52 2019 +0200 patch 8.1.1438: some commands cause trouble in a popup window Problem: Some commands cause trouble in a popup window. Solution: Add NOT_IN_POPUP_WINDOW.

#! /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