# Concatenate hash

**URL:** <https://www.ruby-forum.com/t/concatenate-hash/96060>\
**Category:** Ruby\
**Created:** [June 24, 2006, 4:59pm UTC](https://www.ruby-forum.com/t/concatenate-hash/96060 "2006-06-24T16:59:28Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\
**Post date:** [June 24, 2006, 4:59pm UTC](https://www.ruby-forum.com/t/concatenate-hash/96060/1 "2006-06-24T16:59:28Z")

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Hello,

Is there a built-in method to concatenate 2 hashes? Couldn’t find  
anything on  
this topic.

Thanks  
Cliff.

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**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\
**Post date:** [June 24, 2006, 5:02pm UTC](https://www.ruby-forum.com/t/concatenate-hash/96060/2 "2006-06-24T17:02:42Z")

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> Is there a built-in method to concatenate 2 hashes? Couldn’t  
> find anything on this topic.

There’s no such thing as concatenating hashes. But Hash#merge  
comes close…

gegroet,  
Erik V. - [http://www.erikveen.dds.nl/](http://www.erikveen.dds.nl/)

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**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\
**Post date:** [June 24, 2006, 6:45pm UTC](https://www.ruby-forum.com/t/concatenate-hash/96060/3 "2006-06-24T18:45:21Z")

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On Sun, Jun 25, 2006 at 12:00:41AM +0900, Erik V. wrote:

> There’s no such thing as concatenating hashes. But Hash#merge  
> comes close…

Thank you. That’s just what was looking for.

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**Author:** ![unknown](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/4bbf92/32.png) [@unknown](https://www.ruby-forum.com/u/unknown)\
**Post date:** [June 25, 2006, 8:53pm UTC](https://www.ruby-forum.com/t/concatenate-hash/96060/4 "2006-06-25T20:53:11Z")

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There’s also update. Depends on what you need.

robert