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@yuki_ycino(Yuki Yano)

Ruby2.0でgemを全てアンインストールする

Last updated at Posted at 2013-11-23
gem uninstall -axI `gem list --no-versions`
ERROR:  While executing gem ... (Gem::InstallError)
    gem "test-unit" cannot be uninstalled because it is a default gem

って怒られてできなかったからメモ

gem uninstall -axI `gem list --no-versions | egrep -v 'test-unit|rdoc|bigdecimal|io-console|json|minitest|psych|rake'`

参考

Uninstall all installed (non-default) gems.

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