卸载所有安装的宝石，在OSX？ [英] Uninstall all installed gems, in OSX?

问题描述

例如，我需要帮助朋友迁移他们的rails开发机器来使用RVM。因为他们之前使用过系统级的 gem ，所以在处理多个项目时遇到了很多麻烦。基本上，他是RVM转换的海报。

我如何优雅地卸载他的OSX系统上的所有gem？ / b>

解决方案

Rubygems> = 2.1.0 pre> gem uninstall -aIx


一个删除所有版本

I 忽略依赖关系

x 包含可执行文件

Rubgems< 2.1.0

 我在`gem list --no-versions`;做宝石卸载-aIx $我;完成
  

There are instances where I would like to revert and uninstall all previous gem installations.

For instance, I needed to assist a friend migrate their rails development machine to use RVM. As they had been previously using the system-wide gem, he was experiencing many headaches when working with multiple projects. Essentially, he was the poster-child for an RVM convert.

How can I elegantly uninstall all of the gems on his OSX system?

解决方案

Rubygems >= 2.1.0

gem uninstall -aIx

a removes all versions
I ignores dependencies
x includes executables

Rubgems < 2.1.0

for i in `gem list --no-versions`; do gem uninstall -aIx $i; done

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