Re: date from yesterday
From: Bob Stockler (bob_at_trebor.iglou.com)
Date: 09/17/03
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Date: Wed, 17 Sep 2003 19:03:23 GMT To: SCO Miscellaneous <scomsc@xenitec.on.ca>
On Wed, Sep 17, 2003 at 12:11:50PM -0400, Jean-Pierre Radley wrote:
| Bill Vermillion typed (on Wed, Sep 17, 2003 at 03:57:01PM +0000):
| | Or if somone is ambitious they can take one of the OpenSource
| | versions of date that uses the -v flag.
| |
| | Then you can use any of the y,m,w,d,h,m with a +N or -N where N is
| | an integer and used in the form of -v-3d for 3 days in the past to
| | adjust units, but without the -/+ preceding the unit it gives the
| | numeric unit equivalent, so you can specify any date in the Unix
| | range. It will work from approximately 1902 thru February 18th 2038.
| |
| | >From the example:
| | date -v1d -v3m -v0y -v-1d
| | Sets the day to the first, the month to March, the year to 2000,
| | and then moves back 1 day.
| |
| | Make EOM calculations easy.
| |
| | This is from the BSD sources and may take a bit of diddling for the
| | SysV arena but it surely makes things handy.
|
| Simpler solution: use Bob Stockler's awk scripts.
|
| ftp.jpr.com:/pub/datemath.tgz
And it works for all years from 0001 through 9999.
Users in countries that didn't switch from the Julian
to the Gregorian calendar when the USA did will have
to edit it to account for days lost when the switch
was made. As written, the program skips the days
between 09/02/1752 and 09/14/1752.
-- Bob Stockler - bob@trebor.iglou.com Author: MENU EDIT II - The BEST Creator/Editor/Manager for filePro User Menus. Fully functional (time-limited) demos available by email request (specify OS).
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