Date: Tue, 25 May 1999 13:18:48 -0500 From: Dan Nelson <dnelson@emsphone.com> To: cjclark@home.com Cc: FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: 'date -f' question Message-ID: <19990525131848.A17956@dan.emsphone.com> In-Reply-To: <199905251639.MAA07090@cc942873-a.ewndsr1.nj.home.com>; from "Crist J. Clark" on Tue May 25 12:39:55 GMT 1999 References: <199905251639.MAA07090@cc942873-a.ewndsr1.nj.home.com>
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In the last episode (May 25), Crist J. Clark said:
> I was trying to set the date using UNIX epoch time. I do not
> understand why something like the following is producing this error,
>
> # date -f "%s" 927065401
> Warning: Ignoring 9 extraneous characters in date string (927065401)
> May 25 12:27:17 pc252 date: date set by cjc
> Tue May 25 12:27:17 EDT 1999
>
> Just so you know,
>
> # date -r 927065401
> Tue May 18 18:10:01 EDT 1999
>
> So 'date' is not actually setting the time to what I ask. To figure
> out how to use the '-f' option on date, one must decipher the
> date(1), strptime(3), and strftime(3) manpages. Did I do so
> improperly? I think the first usage of date should work. What am I
> missing here?
Nothing. you just found a bug in strptime. Even though the manpage
states:
All conversion specifications are identical to those described in
strftime(3).
The %s format is not parsed. Feel free to submit a PR on it,
preferably with patches :)
-Dan Nelson
dnelson@emsphone.com
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