commit https://github.com/vim/vim/commit/8aefbe0ad5d05ee7225b20024b0f3023286ebd0f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 23 20:13:16 2016 +0100 patch 7.4.1405 Problem: Completion menu flickers. Solution: Delay showing the popup menu. (Shougo, Justin M. Keyes, closes https://github.com/vim/vim/issues/656)

#! /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