From: Daniel Berger <djberg96@...>
Date: 2010-09-14T20:58:37+09:00
Subject: Re: Getting a unique filename?



On Sep 14, 4:00 am, Michael Schuerig <mich...@schuerig.de> wrote:
> I need to build a Zip-Archive with a unique name that is served by
> Apache using its X-SendFile mechanism.
>
> Tempfile doesn't appear to be suitable in this case as it unlinks its
> managed file when the Tempfile object is finalized. In my current, wrong
> code, I'm using Tempfile and the file is not deleted prematurely, but I
> take this to be no more than luck.
>
> There are two processes involved, the ruby process (Rails, actually)
> writing the file and apache delivering it. Ruby only passes the file's
> path to apache. The file's life has to be independent of the ruby
> process from then on (and I have to delete it externally).
>
> I could (ab)use Tempfile to write code like this, but that doesn't
> strike me as very elegant
>
>   tf = Tempfile.new(['archive-', '.zip'])
>   tempname = tf.path
>   tf.close!
>
> Is there a nicer way?

require 'file/temp'

fh = File::Temp.new(false) # Keep the file around

Regards,

Dan