Exposing a file's creation time via find(1)

Ceri Davies ceri at submonkey.net
Fri Mar 24 13:55:30 UTC 2006

On Fri, Mar 24, 2006 at 12:06:18PM +0000, Ceri Davies wrote:
> While perusing my Daemon book I noticed that it mentioned the existence
> of the st_birthtime field in struct stat.  I then also noticed that not
> many utilities expose this: the Daemon mentions dump(8), restore(8) and
> the only other one I could find was stat(1).
> The attached patch adds st_birthtime related primaries to find(1), being
> -Bmin, -Btime, -Bnewer et al.  These let you use an inode's real
> creation time in find primitives.  I have chosen 'B' over 'b' to match
> the format specifier from stat(1).  It seems to do the right thing on UFS
> 1, 2 and MSDOS file systems, but some more testing would be appreciated.

Note that there is a line out of place in the manpage diff - this is
corrected in a later version of the patch at

That must be wonderful!  I don't understand it at all.
                                                  -- Moliere
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