# RI not working

**URL:** <https://www.ruby-forum.com/t/ri-not-working/139804>\
**Category:** Ruby\
**Created:** [June 7, 2008, 6:44am UTC](https://www.ruby-forum.com/t/ri-not-working/139804 "2008-06-07T06:44:47Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![rgreen](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/f04885/32.png) [@rgreen](https://www.ruby-forum.com/u/rgreen)\
**Post date:** [June 7, 2008, 6:44am UTC](https://www.ruby-forum.com/t/ri-not-working/139804/1 "2008-06-07T06:44:47Z")

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I have Ruby 1.87 installed on OS X 10.5.3… When I try ri gc (from the  
Pickaxe book) or ri Array I get the following:

## ----------------------------------------------------------- Class: Array (no description…)

Help!!

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**Author:** ![rgreen](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/f04885/32.png) [@rgreen](https://www.ruby-forum.com/u/rgreen)\
**Post date:** [June 8, 2008, 3:23am UTC](https://www.ruby-forum.com/t/ri-not-working/139804/2 "2008-06-08T03:23:13Z")

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On Sat, Jun 7, 2008 at 12:43 AM, Ron G. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> I have Ruby 1.87 installed on OS X 10.5.3… When I try ri gc (from the  
> Pickaxe book) or ri Array I get the following:
> 
> ## ----------------------------------------------------------- Class: Array (no description…)
> 
> Help!!

For what it’s worth, I tried ‘ri Array’ on 10.5.3 and it worked fine.  
That  
would be using the ‘ruby 1.8.6 (2007-09-24 patchlevel 111)’ which is  
included in 10.5.3 (that might be part of the Developers/Xcode package).

If you’re using a version of ruby installed from macports, then it  
sounds  
like something is wrong with that port. While this reply does not help  
you  
to fix that, at least you can use ‘/usr/bin/ri’ to get listings of most  
of  
the ruby documentation. I doubt all that much changed between 1.8.6 and  
1.8.7!

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**Author:** ![rgreen](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/f04885/32.png) [@rgreen](https://www.ruby-forum.com/u/rgreen)\
**Post date:** [June 8, 2008, 5:48am UTC](https://www.ruby-forum.com/t/ri-not-working/139804/3 "2008-06-08T05:48:13Z")

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I got it. Needed to run ‘make install-doc’