我在Mac上安装了sass，但每次我尝试运行时都会出现这个错误。
我在Mac上使用OSX 10.9.4Ruby 1.9.3
Andrews-iMac:~ andrewcorliss$ sass -v
/Users/andrewcorliss/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': dlopen(/Users/andrewcorliss/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/x86_64-darwin12.3.0/digest/sha1.bundle, 9): Library not loaded: /usr/local/opt/openssl/lib/libcrypto.1.0.0.dylib (LoadError)
Referenced from: /Users/andrewcorliss/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/x86_64-darwin12.3.0/digest/sha1.bundle
Reason: image not found - /Users/andrewcorliss/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/1.9.1/x86_64-darwin12.3.0/digest/sha1.bundle
from /Users/andrewcorliss/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/andrewcorliss/.rvm/gems/ruby-1.9.3-p392/gems/sass-3.3.14/lib/sass/engine.rb:2:in `<top (required)>'
from /Users/andrewcorliss/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/andrewcorliss/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/andrewcorliss/.rvm/gems/ruby-1.9.3-p392/gems/sass-3.3.14/lib/sass.rb:104:in `<top (required)>'
from /Users/andrewcorliss/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/andrewcorliss/.rvm/rubies/ruby-1.9.3-p392/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from /Users/andrewcorliss/.rvm/gems/ruby-1.9.3-p392/gems/sass-3.3.14/bin/sass:8:in `rescue in <top (required)>'
from /Users/andrewcorliss/.rvm/gems/ruby-1.9.3-p392/gems/sass-3.3.14/bin/sass:5:in `<top (required)>'
from /Users/andrewcorliss/.rvm/gems/ruby-1.9.3-p392/bin/sass:19:in `load'
from /Users/andrewcorliss/.rvm/gems/ruby-1.9.3-p392/bin/sass:19:in `<main>'
from /Users/andrewcorliss/.rvm/gems/ruby-1.9.3-p392/bin/ruby_noexec_wrapper:14:in `eval'
from /Users/andrewcorliss/.rvm/gems/ruby-1.9.3-p392/bin/ruby_noexec_wrapper:14:in `<main>'
我终于找到了答案。我的机器上没有正确安装node或ruby on rails。一旦做了一个清洁和安装新的一切都很好。