Tim Shaffer wrote in post #975786:
>
>
> Here is an example of code that would fit your needs:
>
> records = []
> Category.all.each do |category|
>   records << category.clients.first
> end

Yes, that is what I ended up doing, more or less. What I did was this:

> cset = []
> Client.select("DISTINCT(client_category)").each do |c|
>  cset << Client.find_by_client_category(c.client_category)
> end

However, since I was in the console when I ran into this situation I was 
hoping that there existed a more direct way of accomplishing it ( in 
other words on a single line ) and that I was simply ignorant of the 
method.  Thus my question.

Thank all of you for your comments and help.

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