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[Bug-wget] unlink() before open()

From: Andre Majorel
Subject: [Bug-wget] unlink() before open()
Date: Mon, 10 Nov 2008 21:08:49 +0100
User-agent: Mutt/1.5.17+20080114 (2008-01-14)

Hi Micah and folks. Thanks for taking over Wget.

Is there a way to make Wget delete a file before it clobbers it ?

That would be useful to make archived mirrors of a web site :

  mkdir 2009-01-01
  wget -P 2009-01-01 -m http://fubar.com/

The next day :

  mkdir 2009-01-02
  find 2009-01-01 | cpio -pdl 2009-01-02
  wget -P 2009-01-02 -m --unlink http://fubar.com/

At that point, 2009-01-01/ and 2009-01-02/ are mirrors of what the
site looked like on the same day. All files under 2009-01-02/ that
haven't changed since the previous day are hard links to their
counterpart under 2009-01-01/.

André Majorel <URL:http://www.teaser.fr/~amajorel/>

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