Environment Variables : ENV « Development « Ruby

1. Ruby
2. Development
3. ENV

Environment Variables

ENV['SHELL'] # "/bin/sh" 

ENV['HOME'] # "/Users/d" 

ENV['USER'] # "d" 

ENV.keys.size # 34 

ENV.keys[0, 7] 

ENV.each {|e| puts e.join(': ') }

 

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