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Created December 27, 2013 04:31
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現在使っているRubyにインストールしているgem群を他のRuby環境でも使えるようにインストールする方法 ref: http://qiita.com/takuan_osho/items/a13227af8b597996900f
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file0.txt
gem list --no-versions > /tmp/gemlist
rbenv global 2.1.0
gem install `cat /tmp/gemlist`
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