[bug #23065] -daystart measures from start of tomorrow - manual incorrect

Andreas Metzler <[email protected]> Sat, 6 Jun 2026 07:56:45 -0400 (EDT)

Newsgroups	gmane.comp.gnu.findutils.bugs
Message-ID	<[email protected]>

Follow-up Comment #5, bug #23065 (group findutils):

[comment #3 Kommentar #3:]
> Since this bug has been with us in the code for a long, long time, I'm
> reluctant to just fix it in a point release, because this will doubtless
> change the effect of a number of user scripts.

I agree.

[...] 
> 1. Modify the existing -daystart so that it takes an optional argument.   The
> argument can be "tomorrow-ish" or "today".   "-daystart tomorrow-ish" has the
> same meaning as -daystart does now.    Document the precise effect of
> tomorrow-ish.   ("ish" because of the problem with short/long days).  The
> argument "today" makes find do what the documentation says it should.   If no
> argument is used, a warning message is issued and "tomorrow-ish" is assumed.

> 2. Either deprecate "-daystart" without a following option, or warn that its
> meaning will change.

I would rather avoid the deprecation/warning tango. Add the optional argument,
document both cases but do not deprecate/warn about the old use.

FWIW the docs seem to be completely wrong right now ("Measure times ... from
the beginning of today rather than from 24 hours  ago.") - Neither -mtime nor
-mmin  measure from 24 hours ago without -daystart, they meaure from *NOW*.


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