(solved) Re: INSTALLTIME:date format

[Valery Reznic]

If you'll use


LC_TIME="en_US.UTF-8" rpm -q cobbler --qf 
"%{INSTALLTIME:date}\n"

then new value for LC_TIME will affect only one string.

No need to mess with saving/restoring/unsetting

Valery.




>________________________________
> From: Joe Wulf <joe_wulf at yahoo.com>
>To: General discussion about the RPM package manager <rpm-list at lists.rpm.org> 
>Sent: Friday, April 6, 2012 6:17 PM
>Subject: (solved)  Re: INSTALLTIME:date format
> 
>
>I've figured it out, based on the clues you guys offered.
>
>
>With additional research and troubleshooting, I found the "LANG=c" was sometimes conditionally being set; then the effective execution of:  rpm -q cobbler --qf "%{INSTALLTIME:date}\n" was giving me the exactly formatted result (of:  Tue Jan 31 14:43:27 2012) most times.  I fixed the script to:
>
>
>LC_TIMEsave="${LC_TIME}";  LC_TIME="en_US.UTF-8"
>rpm -q cobbler --qf "%{INSTALLTIME:date}\n"
>LC_TIME="${LC_TIMEsave}"; unset LC_TIMEsave
>
>
>In all my tests so far, things are consistent the way I want them.
>
>
>Thanks Greg and Jeff for the help!
>
>
>R,
>-Joe
>
>
>
>
>>________________________________
>> From: Greg Swift <gregswift at gmail.com>
>>To: Joe Wulf <joe_wulf at yahoo.com>; General discussion about the RPM package manager <rpm-list at lists.rpm.org>; Jeffrey Johnson <n3npq at me.com> 
>>Sent: Friday, April 6, 2012 9:30 AM
>>Subject: Re: INSTALLTIME:date format
>> 
>>I know what Jeff says is right as well, but here is the output I was
>>suggesting, and it shows the same thing, and is much simpler than
>>reconfiguring your strftime.
>>
>>[root at penguin rhel]# rpm -q cobbler --qf "%{INSTALLTIME:date}\n"
>>Tue 31 Jan 2012 02:43:27 PM EST
>>[root at penguin rhel]# LANG=c rpm -q cobbler --qf "%{INSTALLTIME:date}\n"
>>Tue Jan 31 14:43:27 2012
>>
>>I'd check the difference of your configured LANG on the two different
>>sets of systems.  This affects other bits of the system, like sar's
>>output.  The applications utilize the locally configured language's
>>time format preference to present the time.
>>
>>-greg
>>
>>
>>On Thu, Apr 5, 2012 at 22:57, Joe Wulf <joe_wulf at yahoo.com> wrote:
>>> Jeff,
>>>
>>> Thank you for the insight and direction.  I'll go explore the LC_TIME
>>> issue.  I agree that
 is the right direction, from what you've said, and the
>>> little I've read so far.
>>>
>>> My process is a casual one.  Once in a while, I'll kick off some scripts.
>>> A part of that queries the RPM database for what is installed and provides a
>>> structured formatted list back.  All the other data I can chop up as I need
>>> to.  When that date format comes back different ways, it is challenging to
>>> process consistently, since the returned data seems to vary so.  What I
>>> think I need is a way to prefix my rpm query with a command that preserves
>>> LC_TIME (or important aspects of it), set it temporarily for the duration of
>>> that shell script instance to what I want and then puts LC_TIME back (if
>>> necessary).  I'm not looking to change the whole system around, just to
>>> support my occasional need.
>>>
>>> I'm going to start looking for a good understanding
 of locale and
>>> specifically the parts and pieces of LC_TIME.
>>>
>>> Thank you.
>>>
>>> R,
>>> -Joe
>>>
>>> P.S. resent to the list (I apologize for the duplicate).
>>>
>>> ________________________________
>>> From: Jeffrey Johnson <n3npq at me.com>
>>> To: Joe Wulf <joe_wulf at yahoo.com>
>>> Cc: Greg Swift <gregswift at gmail.com>
>>> Sent: Thursday, April 5, 2012 8:32 PM
>>> Subject: Re: INSTALLTIME:date format
>>>
>>>
>>> On Apr 5, 2012, at 8:28 PM, Greg Swift wrote:
>>>
>>> Try prefixing the command with LANG=c to see if that is causing the
>>> discrepancy.
>>>
>>>
>>> Right idea but wrong envvar (is my guess).
>>>
>>>
 strftime(3) is used to format dates (in a per-locale fashion).
>>>
>>> And "man 3 strftime" identifies LC_TIME as what you
>>> want to change.
>>>
>>> I don't know what to change LC_TIME to, just that RPM uses strftime(3).
>>>
>>> hth
>>>
>>> 73 de Jeff
>>>
>>> On Apr 5, 2012 7:05 PM, "Joe Wulf" <joe_wulf at yahoo.com> wrote:
>>>
>>> How does one refine or specify the format for the date returned by:
>>> "%{INSTALLTIME:date}"?
>>>
>>> On some systems I get the first response (preferred) and for unknown reasons
>>> I get the second on other systems:
>>> -  "Fri 10 Jun 2011 02:03:18 PM GMT"
>>> -  "Fri 10 June 02:03:18 2011"
>>>
>>> Is there some other, external (maybe posix thing) that affects this?
>>>
>>> Thank you.
>>>
>>>
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>>>
>>>
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>>
>>
>>
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