Well, 30 days is a much better approximation then 2 fortnights. Okay, lets
ask another question. What do you propose?

thanks,
Singer

On Thu, May 31, 2012 at 10:32 AM, Frank Bulk <frnk...@iname.com> wrote:

> True, no April 31st, but there's an April 30. =)
>
> I don't understand why it's OK to assume a 30-day month.  If someone wants
> 30 days then just do a "date -d '-30 days'" -- one could just as well
> assume
> the 1 month is 4 weeks or two fortnights.
>
> Frank
>
> -----Original Message-----
> From: Jonathan [mailto:lo...@redigloo.org]
> Sent: Thursday, May 31, 2012 9:30 AM
> To: frnk...@iname.com
> Cc: Tech@lists.lopsa.org
> Subject: Re: [lopsa-tech] Date function seems assume 30-day month
>
> "Thirty days hath September, April, June and November..."
>
> There is no 31st April.
>
> $ date -d '-1 month'
> Tue May  1 15:28:44 BST 2012
> $ date -d '-2 month'
> Sat Mar 31 15:28:52 BST 2012
>
> Jonathan.
>
> On 31/05/12 15:22, Frank Bulk wrote:
> > I noticed a daily script was giving out some incorrect output, and
> looking
> > at it more closely I saw that the date function assumes a 30-day month:
> >
> > nagios:/# date
> > Thu May 31 09:22:02 CDT 2012
> > nagios:/#nagios:/# date -d '-1 month'
> > Tue May  1 09:19:54 CDT 2012
> > nagios:/#
> >
> > Shouldn't the output be April 31st?
> >
> > Frank
> >
> >
> >
> > _______________________________________________
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> >   http://lopsa.org/
>
> --
> Jonathan Crompton
>
>
>
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>

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