我正在尝试运行一个过去运行良好的Ruby脚本。我需要使用Mechanize gem,所以在脚本的顶部,它显示require 'mechanize'
。但是,当我尝试现在运行脚本时,终端输出显示为:
/Users/codebiker/.rvm/rubies/ruby-2.1.0/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- mechanize (LoadError)
from /Users/codebiker/.rvm/rubies/ruby-2.1.0/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
from myscript.rb:2:in `<main>'
当我按照此处的建议运行gem env
时,我得到:
RubyGems Environment:
- RUBYGEMS VERSION: 2.2.1
- RUBY VERSION: 2.1.0 (2013-12-25 patchlevel 0) [x86_64-darwin13.0]
- INSTALLATION DIRECTORY: /Users/codebiker/.rvm/gems/ruby-2.1.0
- RUBY EXECUTABLE: /Users/codebiker/.rvm/rubies/ruby-2.1.0/bin/ruby
- EXECUTABLE DIRECTORY: /Users/codebiker/.rvm/gems/ruby-2.1.0/bin
- SPEC CACHE DIRECTORY: /Users/codebiker/.gem/specs
- RUBYGEMS PLATFORMS:
- ruby
- x86_64-darwin-13
- GEM PATHS:
- /Users/codebiker/.rvm/gems/ruby-2.1.0
- /Users/codebiker/.rvm/gems/ruby-2.1.0@global
- GEM CONFIGURATION:
- :update_sources => true
- :verbose => true
- :backtrace => false
- :bulk_threshold => 1000
- :benchmark => false
- :sources => ["http://rubygems.org/", "http://gemcutter.org"]
- "install" => "--no-rdoc --no-ri"
- "update" => "--no-rdoc --no-ri"
- REMOTE SOURCES:
- http://rubygems.org/
- http://gemcutter.org
- SHELL PATH:
- /Users/codebiker/.rvm/gems/ruby-2.1.0/bin
- /Users/codebiker/.rvm/gems/ruby-2.1.0@global/bin
- /Users/codebiker/.rvm/rubies/ruby-2.1.0/bin
- /usr/local/bin
- /usr/bin
- /bin
- /usr/sbin
- /sbin
- /usr/local/bin
- /opt/X11/bin
- /usr/texbin
- /Users/codebiker/.rvm/bin
当我运行rvm get head
时,我得到:
Upgrading the RVM installation in /Users/codebiker/.rvm/
RVM PATH line found in /Users/codebiker/.bashrc /Users/codebiker/.zshrc.
RVM sourcing line found in /Users/codebiker/.bash_profile /Users/codebiker/.zprofile.
Upgrade of RVM in /Users/codebiker/.rvm/ is complete.
当我运行which ruby
时,我得到:
/Users/codebiker/.rvm/rubies/ruby-2.1.0/bin/ruby
ruby -v
给了我:
ruby 2.1.0p0 (2013-12-25 revision 44422) [x86_64-darwin13.0]
任何建议,想法或提示将不胜感激!我不知道这里有什么问题。
答案 0 :(得分:9)
必须首先安装Gems,然后才能在脚本中require
。安装宝石;首先打开一个终端窗口,然后输入:
gem install GEM-NAME
或您的情况:gem install mechanize
答案 1 :(得分:2)