我一直无法找到以下解决方案:
在安装了诸如 hpricot 或 nokogiri 之类的 gem 之后,我无法在 rails 控制台中访问它们。这些宝石出现在我的宝石列表中,并且似乎与我的其他宝石具有相同的路径。
user@user-laptop:~$ which nokogiri
/home/user/.rvm/gems/ruby-1.9.2-p0/bin/nokogiri
user@user-laptop:~$ which rake
/home/user/.rvm/gems/ruby-1.9.2-p0/bin/rake
在控制台中,对于“标准”宝石,它们可以是必需的,例如:
ruby-1.9.2-p0 > require 'open-uri'
=> ["OpenURI"]
但是,要求 nokogiri 会返回以下内容:
ruby-1.9.2-p0 > require 'nokogiri'
LoadError: no such file to load -- nokogiri
from /home/user/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from /home/user/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `block in require'
from /home/user/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `block in load_dependency'
from /home/user/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:591:in `new_constants_in'
from /home/user/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:225:in `load_dependency'
from /home/user/.rvm/gems/ruby-1.9.2-p0/gems/activesupport-3.0.0/lib/active_support/dependencies.rb:239:in `require'
from (irb):10
from /home/user/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/commands/console.rb:44:in `start'
from /home/user/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/commands/console.rb:8:in `start'
from /home/user/.rvm/gems/ruby-1.9.2-p0/gems/railties-3.0.0/lib/rails/commands.rb:23:in `<top (required)>'
from script/rails:9:in `require'
from script/rails:9:in `<main>'
无论如何,我真的很感谢对我的新手问题的帮助,大部分时间都在努力解决这个问题。:)