Rails新手:需要帮助排除一个阻止我在终端中输入任何内容的错误

Question

几乎我尝试在终端中输入的任何内容都会返回以下请求。有谁能帮帮我吗？

即：

Davids-MacBook-Pro:omrails Lobo$ gem install bundler

/Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/psych.rb:203:in `parse': (<unknown>): mapping values are not allowed in this context at line 2 column 7 (Psych::SyntaxError)
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/psych.rb:203:in `parse_stream'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/psych.rb:151:in `parse'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/psych.rb:127:in `load'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/config_file.rb:253:in `load_file'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/config_file.rb:191:in `initialize'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/gem_runner.rb:78:in `new'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/gem_runner.rb:78:in `do_configuration'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/gem_runner.rb:51:in `run'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/bin/gem:30:in `<main>'
Davids-MacBook-Pro:omrails Lobo$ grm
-bash: grm: command not found
Davids-MacBook-Pro:omrails Lobo$ gem
/Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/psych.rb:203:in `parse': (<unknown>): mapping values are not allowed in this context at line 2 column 7 (Psych::SyntaxError)
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/psych.rb:203:in `parse_stream'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/psych.rb:151:in `parse'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/psych.rb:127:in `load'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/config_file.rb:253:in `load_file'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/config_file.rb:191:in `initialize'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/gem_runner.rb:78:in `new'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/gem_runner.rb:78:in `do_configuration'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/gem_runner.rb:51:in `run'
    from /Users/Lobo/.rvm/rubies/ruby-1.9.3-p392/bin/gem:30:in `<main>'

Answer 1

可能是你的.gemrc出了问题

请看这篇文章：Having trouble installing any ruby 1.9.x (with rbenv) on mac osx due to psych YAML parse errors