ruby - 如何为 Ruby 和 Rails 设置 PATH？

Question

对此有已知的解决方案吗？

WARNING: You don't have /Users/user/.gem/ruby/1.8/bin in your PATH, gem executables will not run.

我已经添加了：

echo 'export PATH="$PATH:/Users/spirosgerokostas/.gem/ruby/2.0.0/bin"' >> ~/.bash_login