From: Glen Holcomb <damnbigman@...>
Date: 2009-10-07T03:42:40+09:00
Subject: Re: Ruby for the wrong reason

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On Tue, Oct 6, 2009 at 12:33 PM, 7stud -- <bbxx789_05ss@yahoo.com> wrote:

> James Edward Gray II wrote:
> > On Oct 6, 2009, at 1:16 AM, 7stud -- wrote:
> >
> >> No.  I think in ruby the code would be almost exactly the same--except
> >> it's significantly harder to figure out in ruby because there is no
> >> documentation about the format specifiers you can use with strftime()
> >> and strptime().  Amazing, huh?
> >
> > Amazingly wrong, yeah:
> >
>
> Not at all:
>
> 1) $ri Date::strptime
>
> --------------------------------------------------------- Date::strptime
>     Date::strptime(str=3D'-4712-01-01', fmt=3D'%F', sg=3DITALY)
> ------------------------------------------------------------------------
>     Create a new Date object by parsing from a String according to a
>     specified format.
>
>     +str+ is a String holding a date representation. +fmt+ is the
>     format that the date is in. See date/format.rb for details on
>     supported formats.
>
>     The default +str+ is '-4712-01-01', and the default +fmt+ is '%F',
>     which means Year-Month-Day_of_Month. This gives Julian Day Number
>     day 0.
>
>     +sg+ specifies the Day of Calendar Reform.
>
>     An ArgumentError will be raised if +str+ cannot be parsed.
> -----------------------------
>
> Good luck finding and then digging through the **source code** of
> format.rb to locate anything on the format specifiers.
>
>
> 2) $ri Date#strftime
>
> ---------------------------------------------------------- Date#strftime
>     strftime(fmt=3D'%F')
> ------------------------------------------------------------------------
>     (no description...)
>
>
>
> And from the official Standard Library Documentation for 'date':
>
> 1)
> strptime(str=3D'-4712-01-01', fmt=3D'%F', sg=3DITALY)
> ----------------------------------------
>
> Create a new Date object by parsing from a String according to a
> specified format.
>
> str is a String holding a date representation. fmt is the format that
> the date is in. See date/format.rb for details on supported formats.
>
> The default str is =92-4712-01-01=92, and the default fmt is =92%F=92, wh=
ich
> means Year-Month-Day_of_Month. This gives Julian Day Number day 0.
>
> sg specifies the Day of Calendar Reform.
>
> An ArgumentError will be raised if str cannot be parsed.
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>
>
> 2)
> strftime(fmt=3D'%F')
> --------------
> [Source]
>
> That last one is a real doozy--and quite typical of ruby Standard
> Library documentation.
>
> --
> Posted via http://www.ruby-forum.com/.
>
>
With the above approach one might benefit by starting with:

ri strftime

Then looking at "all" the strftime methods.

--=20
"Hey brother Christian with your high and mighty errand, Your actions speak
so loud, I can=92t hear a word you=92re saying."

-Greg Graffin (Bad Religion)

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