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  #1  
Old 05-12-2008
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Join Date: Apr 2008
Posts: 6
Change a file's timestamp

Hi,

I want to modify a file and then change the file's timestamp back to what it was before the modification. It should look as if the file has'nt been modifed. The entire operation needs to be done inside a ksh script. Can anyone suggest how I can trap a file's stamp in a variable within a shell.

Thanks in advance.
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  #2  
Old 05-12-2008
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Join Date: Apr 2008
Location: Bangalore
Posts: 123
Hi,

Try touch command

if files present time stamp is may 10 10:24

Modify ur file, then give the following command

touch -t 200805101024 filename

Decomposition of 200805101024
2008 year , 05 - month number , date, time


Thanks
Penchal
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  #3  
Old 05-13-2008
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Join Date: Apr 2008
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Thanks for the response. I used touch -t several times. What I wanted to know is, how to trap the timestamp of the file within a shell in a format which can be fed to "touch" command. I want to get the file's timestamp in YYYYMMDDHHMI format.

Thanks in advance.
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  #4  
Old 05-13-2008
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Join Date: Apr 2008
Location: Bangalore
Posts: 123
ls -ltr filename
_rw_rw_rw_ 1 penchal grp 1024 May 13 18:08 filename


Ur timestamp becomes : 200805131808
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  #5  
Old 05-27-2008
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Join Date: Aug 2005
Posts: 9
Sounds like someone is trying to do something fishy "file should appear as if it has not been modified" . Anyways, I have a question about the modification time for a symbolic link.

foo.c -> apps/gendev/src/foo.c

the timestamp on apps/gendev/src/foo.c is say 'May 27 11:37'

the timestamp on foo.c (which points to the source file) is 'May 27 10:42' which is when the link was created. Everytime I edit foo.c from my directory the timestamp on apps/gendev/src/foo.c is updated which I understand because I am really modifying that file. I want to know if there is a way to modify the timestamp on the link without relinking the file?

Thanks
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  #6  
Old 05-27-2008
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Join Date: Feb 2007
Posts: 2,196
rcarnesiii.

Please don't hijack another ones thread but open a new thread for your question.

Thanks.
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  #7  
Old 05-27-2008
Dave Miller's Avatar
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Join Date: Dec 2007
Location: Northern NJ, USA
Posts: 150
Quote:
Originally Posted by penchal_boddu View Post
ls -ltr filename
_rw_rw_rw_ 1 penchal grp 1024 May 13 18:08 filename


Ur timestamp becomes : 200805131808
FYI: The time is only shown if the timestamp is less than 6 months old. If it's more than 6 months, the ls command shows the year instead of time.
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