commit https://github.com/vim/vim/commit/d46ae142aa9452e99576b5e923de974704e3c896 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 16 13:33:52 2016 +0100 patch 7.4.1331 Problem: Crash when closing the channel in a callback. (Christian J. Robinson) Solution: Take the callback out of the list before invoking it.

#! /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