From: "Abinoam Jr." <abinoam@...>
Date: 2010-12-23T14:00:09+09:00
Subject: Re: How to DRY code to prompt for parameters

http://www.pastie.org/1399777

1) I don't think you need an Array of Hash. Just a Hash.
2) I used "eval" to do what you want

Was it something like this what you wanted?

Abinoam Jr.

On Thu, Dec 23, 2010 at 1:40 AM, Ryan Davis <ryand-ruby@zenspider.com> wrote:
>
> On Dec 22, 2010, at 20:10 , RichardOnRails wrote:
>
>> I pasted code to prompt for a couple of parameter-values at
>> http://www.pastie.org/1399710.
>>
>> Running this code under SciTE produces, for example:
>> Getting parms
>>       Account Number: 123
>>       Report  Period: 456
>> Showing parms
>>       @acct_num = 123
>>       @acct_period = 456
>>
>> It is excessively verbose because I couldn't figure out how to use
>> meta-language to specify the parameter target names.
>
> It is excessively verbose because you wrote 53 lines when 4 would do:
>
> print "Account Number: "
> @acct_num = gets.to_i
> print "Report  Period: "
> @acct_period = gets.to_i
>
> There is nothing wrong with that code. It doesn't have to be 13x more complex to ask the user 2 simple questions.
>
> The definition of DRY is "Every piece of knowledge must have a single, unambiguous, authoritative representation within a system" not "ZOMG I see a 2 line pattern! must kill!"
>
> Please. Do the simplest thing that could possibly work.
>
> P.S. AGAIN with the tabs. I almost didn't write this email at all just because reading your code is too hard.
>
>
>