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A week back date

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Name: Chinmaya
Date: April 4, 2006 at 08:35:55 Pacific
OS: Unix
CPU/Ram: 128
Product: HP-UX
Comment:

Hi

I would like to get a week back date.
Suppose today is 04-04-2006 , then a week back date is 28-03-2006. Could you please tell me how I can achieve this in unix command.
Can I get this result using 'date' command.

Thanks and Regards
Chinmaya



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Response Number 1
Name: lchi2000g
Date: April 4, 2006 at 12:54:44 Pacific
Reply:

see - http://www.computing.net/unix/wwwboard/forum/6212.html

Luke Chi


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Response Number 2
Name: Chinmaya
Date: April 4, 2006 at 20:30:34 Pacific
Reply:


Hi Luke

Many thanks for your reply.

I found from the link specified by you , we can get yesterday's date by assignment
TZ=aaa24 date +%Y%m%d.

But I am not able to get logic , how we can find a week back date.

Could you please help me on this


Thanks and Regards
Chinmaya


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Response Number 3
Name: nails
Date: April 5, 2006 at 07:51:41 Pacific
Reply:

Take a look at this link:

http://www.computing.net/unix/wwwboard/forum/5223.html


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Response Number 4
Name: FishMonger
Date: April 5, 2006 at 08:37:03 Pacific
Reply:

I would agree with the suggestion nails made in that second link, "...Perl is probably your best choice...".

This is the Perl command for retrieving the date/timestamp of exactly 1 week prior to the current date/time.

$lastweek = localtime(time - 86400*7);

Here's how you'd format it like your example dd-mm-yyyy.

use POSIX;
$lastweek=strftime("%d-%m-%Y",localtime(time-86400*7));



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Response Number 5
Name: FishMonger
Date: April 5, 2006 at 08:43:22 Pacific
Reply:

From the command line:

perl -MPOSIX -e 'print strftime("%d-%m-%Y",localtime(time-86400*7))'


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Response Number 6
Name: Chinmaya
Date: April 5, 2006 at 20:42:51 Pacific
Reply:

Hi Luke, Nails, Monger

Many thanks for your reply.

As per user suggesstion, I could get the a week back date.

Thanks and Regards
Chinmaya


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