[lug] Creating date variables in bash

[Matt Thompson]

On Tue, 2004-10-12 at 10:47, Bill Thoen wrote:
> I can get today's date into a bash variable like so:
> 
> D=$(date +%G%m%d)
> 
> but how do I get the date for say, 7 days ago?
> 
> I tried 'man date' but didn't see an option for doing date math.

> date -d "7 days ago"
Tue Oct  5 11:11:23 MDT 2004

Add your format string after it.  One of those useless things I learned
a long time ago..."1 week ago" works too.  You start playing around with
-d way too much after learning about it.

Matt

-- 
Learning just means you were wrong and they were right. - Aram
   Matt Thompson -- http://ucsub.colorado.edu/~thompsma/
   440 UCB, Boulder, CO  80309-0440
   JILA A510, 303-492-4662
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 189 bytes
Desc: This is a digitally signed message part
URL: <http://lists.lug.boulder.co.us/pipermail/lug/attachments/20041012/99c97641/attachment.pgp>