pt@pt-laptop:~$ ri Integer#times
/usr/local/ruby/lib/ruby/1.9.1/rdoc/ri/driver.rb:384:in `initialize':
Permission denied - /home/pt/.ri/cache/.doc_dirs (Errno::EACCES)
from /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri/driver.rb:384:in `open'
from /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri/driver.rb:384:in
`create_class_cache'
from /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri/driver.rb:371:in
`class_cache'
from /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri/driver.rb:591:in `block in
run'
from /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri/driver.rb:590:in `each'
from /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri/driver.rb:590:in `run'
from /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri/driver.rb:300:in `run'
from /usr/local/ruby/bin/ri:5:in `<main>'
pt@pt-laptop:~$ sudo ri Integer#times
[sudo] password for pt:
sudo: ri: command not found
pt@pt-laptop:~$ sudo /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri
Integer#times
sudo: /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri: command not found
pt@pt-laptop:~$ cd /usr/local/ruby/lib/ruby/1.9.1/rdoc/ri
pt@pt-laptop:/usr/local/ruby/lib/ruby/1.9.1/rdoc/ri$ ls
cache.rb display.rb formatter.rb reader.rb writer.rb
descriptions.rb driver.rb paths.rb util.rb
pt@pt-laptop:/usr/local/ruby/lib/ruby/1.9.1/rdoc/ri$
sudo find / -name 'ri'
the following is what i get
/usr/local/ruby/lib/ruby/1.9.1/rdoc/ri
/usr/local/ruby/lib/ruby/gems/1.9.1/doc/hpricot-0.8.2/ri
/usr/local/ruby/lib/ruby/gems/1.9.1/doc/rubygems-update-1.3.6/ri
/usr/local/ruby/lib/ruby/gems/1.9.1/doc/fastri-0.3.1.1/ri
/usr/local/ruby/lib/ruby/gems/1.9.1/doc/rubygems-1.3.6/ri
/usr/local/ruby/lib/ruby/gems/1.9.1/doc/nokogiri-1.4.1/ri
/usr/local/ruby/lib/ruby/gems/1.9.1/doc/fastercsv-1.5.3/ri
/usr/local/ruby/share/ri
/usr/local/ruby/bin/ri
/home/pt/ruby-1.9.1-p378/lib/rdoc/ri
/home/pt/ruby-1.9.1-p378/bin/ri
/home/pt/.gem/ruby/1.9.1/doc/mailfactory-1.4.0/ri
/home/pt/.gem/ruby/1.9.1/doc/ruport-util-0.14.0/ri
/home/pt/.gem/ruby/1.9.1/doc/mime-types-1.16/ri
/etc/bash_completion.d/ri
The directory 'ri' is looking for is not called 'ri' but '.ri' (note
the dot at the beginnining of the name that make the directory
'invisible' from a simple 'ls'). Try