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From: ask@cbrma.UUCP (A.S.Kamlet)
Newsgroups: comp.unix.questions
Subject: Re: Unix Question
Message-ID: <5387@cbrma.UUCP>
Date: Wed, 12-Nov-86 16:22:15 EST
Article-I.D.: cbrma.5387
Posted: Wed Nov 12 16:22:15 1986
Date-Received: Thu, 13-Nov-86 04:01:31 EST
References: <249@sjuvax.UUCP> <808@mtund.UUCP> <4287@umcp-cs.UUCP>
Reply-To: ask@cbrma.UUCP (A.S.Kamlet(Art))
Distribution: net
Organization: AT&T Bell Laboratories
Lines: 31

In article <4287@umcp-cs.UUCP> steve@umcp-cs.UUCP (Steve D. Miller) writes:
>In article <808@mtund.UUCP> adam@mtund.UUCP (Adam V. Reed) writes:
>>> I'll make this short and sweet:
>>> 
>>>      How can one change the date/time stamp of a file?
>>> 
>>>      I want to be able to put any date/time on a file that I
>>>      have in my directory...
>>> Chuck Conway
>>
>>See touch(1) in the User Reference Manual (RTFM!).
>
>   The original poster does not want to put the *current* time on
>the file...he wants to put *any* time on the file.  There are three
>timestamps associated with any file:  the last access time, the
>last modify time, and the "last time inode modified" time (the
>a_time, m_time, and c_time fields of the structure returned by
>stat(2)).  The utimes(2) system call is probably the one you
>want; it will set the access and modify times to whatever you
>wish, and set the inode change time to the current time.  See
>the manual entry.
>
>   If you need to set the inode change time, you will have to
>fool with the raw disk device.  If you really need to do so,
>I can probably scrounge up more information for you.
>
According to my SVR2 manual, touch(1) can be used to change the access
and/or modification times to current time (default) or to an optional
time.
-- 
Art Kamlet   AT&T Bell Laboratories  Columbus  {cbosgd | ihnp4}!cbrma!ask