# Re: How to read values dynamically

**URL:** <https://www.ruby-forum.com/t/re-how-to-read-values-dynamically/114486>\
**Category:** Ruby\
**Created:** [September 13, 2007, 9:27am UTC](https://www.ruby-forum.com/t/re-how-to-read-values-dynamically/114486 "2007-09-13T09:27:16Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![2tcreative](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/2/a3d4f5/32.png) [@2tcreative](https://www.ruby-forum.com/u/2tcreative)\
**Post date:** [September 13, 2007, 9:27am UTC](https://www.ruby-forum.com/t/re-how-to-read-values-dynamically/114486/1 "2007-09-13T09:27:16Z")

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Hi, here is a instance for read values dynamically

class Test

```
A_HASH = {"key1"=>value1,"key2"=>value2}

A_HASH.each_key do |key|
  module_eval <<-EOF
    def #{key}
      find :all,:conditions=>[" attribute = ?",Test::A_HASH[#{key}]]
    end
  EOF
end

```

end

You see ,it really dynamical.

Best Regards.

```
                                                        Tim
```

---

<div class="post-metadata">

**Author:** ![2tcreative](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/2/a3d4f5/32.png) [@2tcreative](https://www.ruby-forum.com/u/2tcreative)\
**Post date:** [September 17, 2007, 1:23pm UTC](https://www.ruby-forum.com/t/re-how-to-read-values-dynamically/114486/2 "2007-09-17T13:23:37Z")

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On Sep 12, 11:26 pm, “Tim.Teng” [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> ```
> end
> EOF
> end
> 
> ```
> 
> end
> 
> You see ,it really dynamical.
> 
> Best Regards.
> 
> ```
> Tim
> 
> ```

You can use YAML, which folks seem to like for its flexibility.

Mike B.