From: Nobuyoshi Nakada <nobu@...>
Date: 2008-02-07T15:27:20+09:00
Subject: Re: reopen: can't change access mode from "w+" to "w"?

Hi,

At Wed, 6 Feb 2008 20:58:52 +0900,
Sam Ruby wrote in [ruby-core:15378]:
> That doesn't work for me.  When reopen is passed two parameters, the 
> first parameter is expected to be a file name.

Sorry, it works only in 1.9.

> The workaround suggested by Eero Saynatkari does work for me.  I've 
> pasted a diff in terms of the the original test/spec code below my 
> signature.  The only remaining question for me is whether this change in 
> behavior in Ruby 1.9 is intentional, and that applications need to 
> conform, or if it is temporary and will soon be corrected.


> -    out.rewind
> -    output = out.read
> +    out.flush
> +    output = File.open(out.path) {|file| file.read}

I think you should close it here instead of flush.  It can't
open already opened file again on all platforms.

-- 
Nobu Nakada