From: Mat Schaffer <schapht@...>
Date: 2006-06-20T22:24:24+09:00
Subject: Re: Converting a date to the day of the week


On Jun 20, 2006, at 9:10 AM, Kris Leech wrote:

> http://www.ruby-doc.org/stdlib/libdoc/date/rdoc/classes/ 
> Date.html#M000370
>
> Looking at the Date class there are two constants, a hash DAYS and  
> an array ABBR_DAYNAMES.
>
> DAYS = { 'sunday' => 0, 'monday' => 1, 'tuesday' => 2,  
> 'wednesday'=> 3, 'thursday' => 4, 'friday' => 5, 'saturday' => 6 }
> ABBR_DAYNAMES = %w(Sun Mon Tue Wed Thu Fri Sat)
>
> I can get the integer for the day 'number' (0 to 6) from a date  
> using the wday method, ie. Date.today.wday
> But how do I use the array or hash from Date.rb, it does not appear  
> to be initialized at the time of use.
>
> Ultimately what I wish to create is a select box (monday-sunday)  
> with today's day pre-selected.
>
> I've looked for a Rails helper to this but there does not appear to  
> be one.
>
> Many thanks. AFM.

Hey, I just ran into this yesterday.

require 'date'
require 'date/format'

Date.today.strftime("%a") => "Tues"

Although the code in date/format doesn't look great.  It appears to  
be a duplicate of Time# functions.  There might be a better way.
-Mat