Mail Archives: cygwin/2005/04/11/12:22:47
>Hi everyone,
>>
>> I wonder if someone could clear up an issue I'm having with ls -c
(sorting
>> files by ctime). As I understand it, the ctime is only updated when
file
>> status information (such as permissions) changes, or a file is
completely
>> recreated. It looks to me though, like the ctime is being updated every
>> time the contents of a file change.
>You misunderstand ctime, as specified by POSIX. See http://www.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap04.html, section 4.7, and >various other places within POSIX. ctime is required
to reflect any change to a file's metadata _or contents_. Also, while
mtime can be >arbitrarily changed (think utimes()), ctime is supposed to
be an accurate side effect of file modification that cannot be spoofed.
OK, thanks for the advice. Do you know if there is any way I can get the
information I was expecting. If not, I'll have to make some major changes
to some complicated shell scripts :(
>>
>> :.________________
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>Disclaimers like this to a public mailing list are not wise; some people
refuse to respond to messages with such a disclaimer.
Oops, my bad.
>--
>Eric Blake
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