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From: Andrew Schulman <schulman DOT andrew AT epamail DOT epa DOT gov>
Subject:  Re: Incorrect year in date function.
Date:  Mon, 04 Jan 2010 14:14:50 -0500
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> On Mon, Jan 4, 2010 at 1:40 PM, Jacob Jacobson wrote:
> > I am curious as to why this happened.
> >
> > I was at work yesterday and created a file. The name of the file
> > is created using the Cygwin date function.
> >
> > REV=$(date +rev-%b-%d-%g)
> > APPNAME="$1-$REV.img"
> 
> %g (and the four-digit version %G) is the year according to the ISO
> week-number calendar; each such year is always a whole number of weeks
> (364 or 371 days), starting on a Monday and ending on a Sunday.
> Specifically, the first week is always the one containing January 4th;
> as such, today is 2010W1-1, the first day of the ISO year, and
> yesterday was 2009W53-7, the last day of the previous ISO year.  So
> you got what you asked for, even if that wasn't what you actually
> wanted. :)

Ah yes, the ISO year!  Another fool falls into its dastardly trap!  AH HA
HA HA


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