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Date: Mon, 12 Oct 1998 09:43:09 +0930
From: Greg Lehey <grog@lemis.com>
To: Malartre <malartre@aei.ca>
Cc: FreeBSD Questions <questions@FreeBSD.ORG>
Subject: undelete(2) (was: man undelete)
References: <36210651.41A1EA5A@aei.ca>
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In-Reply-To: <36210651.41A1EA5A@aei.ca>; from Malartre on Sun, Oct 11, 1998 at 03:26:09PM -0400
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On Sunday, 11 October 1998 at 15:26:09 -0400, Malartre wrote:
> $ man rm
> SEE ALSO
>      rmdir(1),  undelete(2),  unlink(2),  fts(3),  getopt(3), etc...
> $ man undelete
> No manual entry for undelete
> $
> What's that undelete?

I suppose you sent this to -doc because you thought it was a
documentation bug.  In fact, there *is* an undelete(2).  I don't know
why you don't have the man page.

> NAME
>     undelete - attempt to recover a deleted file
>
> SYNOPSIS
>     #include <unistd.h>
>
>     int
>     undelete(const char *path)
>
> DESCRIPTION
>     The undelete() function attempts to recover the deleted file named by
>     path. Currently, this works only when the named object is a whiteout in a
>     union filesystem.  The system call removes the whiteout causing any ob-
>     jects in a lower layer of the union stack to become visible once more.
>
>     Eventually, the undelete functionality may be expanded to other filesys-
>     tems able to recover deleted files such as the log-structured filesystem.

In other words, it's not going to help you much if you delete a file
and want to get it back.  

Greg
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