On Tue, Sep 9, 2008 at 9:46 AM, Shiv N Gautam <[EMAIL PROTECTED]> wrote:
>
>
> On Tue, Sep 9, 2008 at 10:11 PM, John Small <
> [EMAIL PROTECTED]> wrote:
>
>>
>> I have a model, Account, with many Courses. I want to display the course
>> codes for those courses as comma delimited text in an attribute of the
>> account. So I would have
>>
>> Account << ActiveRecord::Base
>> has_many :courses
>>
>> def get_course_codes_as_text
>> courses.each {|course| something something but I don't know what
>> end
>>
>> Now I could do it the hard way by setting up a string var and pumping
>> stuff into it inside the block. But there's an easier Rubyesque way to
>> do this which I've seen in code elsewhere but I can't find the code now
>> so I thought I'd ask here. Something to do with join or map or something
>>
>> John Small
>> --
>> Posted via http://www.ruby-forum.com/.
>>
>>
>>
> a = []
> courses.each { |course|
> a.push(course.code)
> }
> a = a.join ","
>
>
> This ought to do it.
>
>
> ~~
> Shiv
>
> >
>
or.. (a bit more concise)
courses.collect(&:code).join(',')
--
Vince Hodges
http://www.imbas.ca/
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