# Re: export environment variable

**URL:** <https://www.ruby-forum.com/t/re-export-environment-variable/71028>\
**Category:** Ruby\
**Created:** [October 4, 2006, 7:39pm UTC](https://www.ruby-forum.com/t/re-export-environment-variable/71028 "2006-10-04T19:39:03Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Gennady\_B](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/c57346/32.png) [@Gennady\_B](https://www.ruby-forum.com/u/Gennady_B)\
**Post date:** [October 4, 2006, 7:39pm UTC](https://www.ruby-forum.com/t/re-export-environment-variable/71028/1 "2006-10-04T19:39:03Z")

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Mohammad K. wrote:

> I would like to accomplish something like this in a ruby script
> 
> export RUBYLIB=$HOME/MyLib/

ENV[‘RUBYLIB’] = File.expand\_path(’~/MyLib/’)

Gennady.

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**Author:** ![Gennady\_B](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/c57346/32.png) [@Gennady\_B](https://www.ruby-forum.com/u/Gennady_B)\
**Post date:** [October 4, 2006, 7:57pm UTC](https://www.ruby-forum.com/t/re-export-environment-variable/71028/2 "2006-10-04T19:57:04Z")

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This is going to be local to the script.  
I want something like, global.

Mohammad

Gennady B. wrote:

> 

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**Author:** ![Gennady\_B](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/c57346/32.png) [@Gennady\_B](https://www.ruby-forum.com/u/Gennady_B)\
**Post date:** [October 4, 2006, 8:11pm UTC](https://www.ruby-forum.com/t/re-export-environment-variable/71028/3 "2006-10-04T20:11:06Z")

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On 10/4/06, Mohammad K. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> This is going to be local to the script.  
> I want something like, global.

As far as I know, you can’t do that even in bash (that = export  
variables from a subshell to the parent).

J.