Re: [sot] file times / file metadata

From	Ian Collins <ian-news@hotmail.com>
Newsgroups	comp.lang.c
Subject	Re: [sot] file times / file metadata
Date	2017-11-22 09:15 +1300
Message-ID	<f7jfrjFqjosU3@mid.individual.net> (permalink)
References	<5a91718b-b272-4cdf-adfd-8f6777851b23@googlegroups.com> <m2bmjve6tv.fsf@informatimago.com>

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On 11/22/2017 09:05 AM, Pascal J. Bourguignon wrote:
> fir <profesor.fir@gmail.com> writes:
> 
>> by [sot] i mean somewhat off topic
>> (but imo not quite as there are some fundaments of programming not
>> strictly encompassed by c maybe (things like ascii, aditors, asm,
>> processors, linux/mac/windows etc) but important to c coder)
>>
>> the question is about file times, it
>> comes back from dos times i think
>> (i personally used dos 6.22 for a while only and remember this as a crap) - well maybe it is not worth even mentioning dos anyway but still
>> on windows and probably other systems too one can still have three (?) file times for each file those seem to be:
>>
>> - create time
>> - modify time
>> - last acces time
>>
>> i must say i never learned to fully use those times
>>
>> many questions could be stated here one is:
>> - how those times can be used? are they really usefull? when?
> 
> Use the find command:
> 
>      find / -mtime -1 -print
>      # will list the files modified in the last 24 hours.
> 
> 
>      find / -size +50M -atime +300 -print
>      # will list the files of more than 50MB that haven't been accessed
>      # in more than 300 days.  Good candidates for archival…
> 
>      find / -ctime -7 -print
>      # will list the files created in the past week, perhaps you don't
>      # remember the name of that important document, but you know you
>      # created it during the past week?

The most common use case would be backup software.

-- 
Ian.

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[sot] file times / file metadata fir <profesor.fir@gmail.com> - 2017-11-21 11:50 -0800
  Re: [sot] file times / file metadata "Pascal J. Bourguignon" <pjb@informatimago.com> - 2017-11-21 21:05 +0100
    Re: [sot] file times / file metadata Ian Collins <ian-news@hotmail.com> - 2017-11-22 09:15 +1300
    Re: [sot] file times / file metadata fir <profesor.fir@gmail.com> - 2017-11-21 12:23 -0800
      Re: [sot] file times / file metadata fir <profesor.fir@gmail.com> - 2017-11-21 12:42 -0800
        Re: [sot] file times / file metadata fir <profesor.fir@gmail.com> - 2017-11-21 13:01 -0800
        Re: [sot] file times / file metadata "Pascal J. Bourguignon" <pjb@informatimago.com> - 2017-11-21 22:04 +0100
          Re: [sot] file times / file metadata fir <profesor.fir@gmail.com> - 2017-11-21 13:17 -0800
          Re: [sot] file times / file metadata fir <profesor.fir@gmail.com> - 2017-11-21 13:22 -0800
            Re: [sot] file times / file metadata "Pascal J. Bourguignon" <pjb@informatimago.com> - 2017-11-21 23:23 +0100
              Re: [sot] file times / file metadata Ian Collins <ian-news@hotmail.com> - 2017-11-22 11:34 +1300
              Re: [sot] file times / file metadata Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2017-11-21 17:34 -0500
              Re: [sot] file times / file metadata fir <profesor.fir@gmail.com> - 2017-11-21 16:16 -0800
                Re: [sot] file times / file metadata "Pascal J. Bourguignon" <pjb@informatimago.com> - 2017-11-22 01:44 +0100
                Re: [sot] file times / file metadata Ian Collins <ian-news@hotmail.com> - 2017-11-22 14:10 +1300
                Re: [sot] file times / file metadata gordonb.eiy78@burditt.org (Gordon Burditt) - 2017-11-28 01:55 -0600
          Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-22 11:07 +0100
            Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-22 09:13 -0500
              Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-22 15:50 +0100
                Re: [sot] file times / file metadata jameskuyper@verizon.net - 2017-11-22 07:08 -0800
                Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-22 16:22 +0100
                Re: [sot] file times / file metadata bartc <bc@freeuk.com> - 2017-11-22 15:37 +0000
                Re: [sot] file times / file metadata bartc <bc@freeuk.com> - 2017-11-22 15:43 +0000
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-22 15:01 -0500
                Re: [sot] file times / file metadata Ian Collins <ian-news@hotmail.com> - 2017-11-23 17:52 +1300
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-23 14:12 -0500
                Re: [sot] file times / file metadata Ian Collins <ian-news@hotmail.com> - 2017-11-24 08:28 +1300
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-24 08:52 -0500
                Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-23 09:39 +0100
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-23 14:17 -0500
                Re: [sot] file times / file metadata cross@spitfire.i.gajendra.net (Dan Cross) - 2017-11-28 16:44 +0000
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-28 14:23 -0500
                Re: [sot] file times / file metadata cross@spitfire.i.gajendra.net (Dan Cross) - 2017-11-28 19:35 +0000
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-30 15:54 -0500
                Re: [sot] file times / file metadata cross@spitfire.i.gajendra.net (Dan Cross) - 2017-11-30 21:43 +0000
                Re: [sot] file times / file metadata scott@slp53.sl.home (Scott Lurndal) - 2017-11-28 19:42 +0000
                Re: [sot] file times / file metadata cross@spitfire.i.gajendra.net (Dan Cross) - 2017-11-28 20:13 +0000
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-30 15:57 -0500
                Re: [sot] file times / file metadata scott@slp53.sl.home (Scott Lurndal) - 2017-11-30 21:17 +0000
                Re: [sot] file times / file metadata jameskuyper@verizon.net - 2017-11-28 09:35 -0800
                Re: [sot] file times / file metadata Ian Collins <ian-news@hotmail.com> - 2017-11-29 08:24 +1300
                Re: [sot] file times / file metadata Ian Collins <ian-news@hotmail.com> - 2017-11-29 08:27 +1300
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-28 14:29 -0500
                Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-29 09:51 +0100
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-30 15:59 -0500
                Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-29 10:00 +0100
                Re: [sot] file times / file metadata "James R. Kuyper" <jameskuyper@verizon.net> - 2017-11-29 09:11 -0500
                Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-29 15:28 +0100
                Re: [sot] file times / file metadata "James R. Kuyper" <jameskuyper@verizon.net> - 2017-11-29 11:32 -0500
                Re: [sot] file times / file metadata James Kuyper <jameskuyper@verizon.net> - 2017-11-23 15:05 -0500
                Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-24 10:20 +0100
                Re: [sot] file times / file metadata Jerry Stuckle <jstucklex@attglobal.net> - 2017-11-24 09:05 -0500
                Re: [sot] file times / file metadata Robert Wessel <robertwessel2@yahoo.com> - 2017-11-24 22:50 -0600
                Re: [sot] file times / file metadata cross@spitfire.i.gajendra.net (Dan Cross) - 2017-11-28 16:59 +0000
                Re: [sot] file times / file metadata Ian Collins <ian-news@hotmail.com> - 2017-11-29 08:26 +1300
                Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-29 10:10 +0100
                Re: [sot] file times / file metadata cross@spitfire.i.gajendra.net (Dan Cross) - 2017-11-29 21:01 +0000
                Re: [sot] file times / file metadata David Brown <david.brown@hesbynett.no> - 2017-11-29 23:13 +0100
                Re: [sot] file times / file metadata cross@spitfire.i.gajendra.net (Dan Cross) - 2017-11-30 17:26 +0000
              Re: [sot] file times / file metadata fir <profesor.fir@gmail.com> - 2017-11-22 08:00 -0800
              Re: [sot] file times / file metadata "Pascal J. Bourguignon" <pjb@informatimago.com> - 2017-11-22 17:11 +0100
            Re: [sot] file times / file metadata "Pascal J. Bourguignon" <pjb@informatimago.com> - 2017-11-22 16:51 +0100
              Re: [sot] file times / file metadata scott@slp53.sl.home (Scott Lurndal) - 2017-11-22 16:36 +0000

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