From: Pokkai Dokkai <bad_good_lion@...>
Date: 2007-12-25T05:07:52+09:00
Subject: Re: upper arrow key is not worked in irb.  is it bug?

Joel VanderWerf wrote:

> Do you have the readline and readline-devel packages installed? If you
> install them (whether using your OS's package manager or building from
> source), then when you build ruby it will recognize them and irb will
> use readline, which should give you the desired up-arrow behavior.
> 
> On my Ubuntu system these packages are called libreadline5 and
> libreadline5-dev.
> 
> You can check in your ruby-1.8.6/ext/readline whether the ruby wrapper
> got built or not. Just run 'ruby extconf.rb' there and see if some
> checks fail.
> 
> After installing the readline packages, these checks should succeed. In
> that case, do 'make && make install' in the same dir and irb should work
> right.

thank you Joel VanderWerf  ..now irb working well .but

I am going to use ri ,it tell to "make install-doc"

when i type "make install-doc" at finally
below errors are raised


                   mmmmc................................c....c..c...
                             zlib.c: 
mcccccccccccccccccc...................................................................................
Generating RI...
/home/username/package/ruby-1.8.6-p111/lib/yaml.rb:9:in `require': no 
such file to load -- stringio (LoadError)
        from /home/username/package/ruby-1.8.6-p111/lib/yaml.rb:9
        from 
/home/username/package/ruby-1.8.6-p111/lib/rdoc/ri/ri_descriptions.rb:1:in 
`require'
        from 
/home/username/package/ruby-1.8.6-p111/lib/rdoc/ri/ri_descriptions.rb:1
        from 
/home/username/package/ruby-1.8.6-p111/lib/rdoc/ri/ri_reader.rb:1:in 
`require'
        from 
/home/username/package/ruby-1.8.6-p111/lib/rdoc/ri/ri_reader.rb:1
        from 
/home/username/package/ruby-1.8.6-p111/lib/rdoc/generators/ri_generator.rb:46:in 
`require'
        from 
/home/username/package/ruby-1.8.6-p111/lib/rdoc/generators/ri_generator.rb:46
        from 
/home/username/package/ruby-1.8.6-p111/lib/rdoc/rdoc.rb:273:in `require'
        from 
/home/username/package/ruby-1.8.6-p111/lib/rdoc/rdoc.rb:273:in 
`document'
        from ./bin/rdoc:63
make: *** [rdoc] Error 1
username@supermail:~/package/ruby-1.8.6-p111$







thank you


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