# How can I set the ruby loadpath?

**URL:** <https://www.ruby-forum.com/t/how-can-i-set-the-ruby-loadpath/147376>\
**Category:** Ruby\
**Created:** [September 1, 2008, 8:27am UTC](https://www.ruby-forum.com/t/how-can-i-set-the-ruby-loadpath/147376 "2008-09-01T08:27:03Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![youhaodeyi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/b9bd4f/32.png) [@youhaodeyi](https://www.ruby-forum.com/u/youhaodeyi)\
**Post date:** [September 1, 2008, 8:27am UTC](https://www.ruby-forum.com/t/how-can-i-set-the-ruby-loadpath/147376/1 "2008-09-01T08:27:03Z")

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How can I set the ruby loadpath outside of the source code? for example,  
set up an environment variable or add a command-line parameter.

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**Author:** ![youhaodeyi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/b9bd4f/32.png) [@youhaodeyi](https://www.ruby-forum.com/u/youhaodeyi)\
**Post date:** [September 1, 2008, 9:10am UTC](https://www.ruby-forum.com/t/how-can-i-set-the-ruby-loadpath/147376/2 "2008-09-01T09:10:01Z")

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Zhao Yi wrote:

> How can I set the ruby loadpath outside of the source code? for example,  
> set up an environment variable or add a command-line parameter.

`ruby -h` says:

-Idirectory specify $LOAD\_PATH directory (may be used more than  
once)

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<div class="post-metadata">

**Author:** ![youhaodeyi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/y/b9bd4f/32.png) [@youhaodeyi](https://www.ruby-forum.com/u/youhaodeyi)\
**Post date:** [September 1, 2008, 9:23am UTC](https://www.ruby-forum.com/t/how-can-i-set-the-ruby-loadpath/147376/3 "2008-09-01T09:23:46Z")

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Zhao Yi wrote:

> How can I set the ruby loadpath outside of the source code? for example,  
> set up an environment variable or add a command-line parameter.

On Windows you can set RUBYLIB env variable.