commit https://github.com/vim/vim/commit/7e47d1ac6a9ae0e5a7167aa34ff651a9c39c1641 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 25 16:19:05 2015 +0200 patch 7.4.834 Problem: gettabvar() doesn't work after Vim start. (Szymon Wrozynski) Solution: Handle first window in tab still being NULL. (Christian Brabandt)

#! /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