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Date: Mon, 11 Aug 2008 22:56:25 -0700
From: Brian Dessent <brian AT dessent DOT net>
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Subject: Re: changed behaviour in date command
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Nicholas Volk wrote:

> After I updated cygwin today (bash updated) this no longer works as such,
> because the behaviour of %k has changed: instead of the usual "07" I now
> get " 7". Is this intentional? At least in my opinion the new behaviour is
> worse than the original.

The date command is part of coreutils and updating bash should have
nothing to do with it.

> (The fix itself is easy: tar -jcvf api-`date '+%Y%m%d%k%M' | tr ' '
> '0'`.tbz files )

Why not just use %H?  The entire purpose of %k as far as I can tell is
to have an alternative to %H that is space padded instead of zero
padded.  And %H is standard while %k is a GNU extension.

I spent a little bit of time in gitk trying to see if anything had
changed recently in coreutils or gnulib, but going all the way back to
the initial version of lib/strftime.c in gnulib from 1992-11-01, %k has
always meant a space padded version of %H:
<http://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=lib/strftime.c;h=cc4953e68aaf9bc2cabdc9521ae2d99c220374bf;hb=43e78b970f396160a887c9da94531569faeda8a0>.

Brian

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