commit https://github.com/vim/vim/commit/e0874f8cbcddfcf9965a85ba35199964efb1d01a Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jan 24 20:36:41 2016 +0100 patch 7.4.1169 Problem: The socket I/O is intertwined with the netbeans code. Solution: Start refactoring the netbeans communication to split off the socket I/O. Add the +channel feature.

Tests for writefile()

STARTTEST
:source small.vim
:%delete _
:let f = tempname()
:call writefile(["over","written"], f, "b")
:call writefile(["hello","world"], f, "b")
:call writefile(["!", "good"], f, "a")
:call writefile(["morning"], f, "ab")
:call writefile(["", "vimmers"], f, "ab")
:bwipeout!
:$put =readfile(f)
:1 delete _
:w! test.out
:qa!
ENDTEST