ENV is a hash-like accessor for environment variables.
ENV.reject { |name, value| } â HashENV.reject â Enumerator Class Public methods
ENV.replace(hash) â env Class Public methods Replaces the contents of the environment
ENV.keep_if { |name, value| } â HashENV.keep_if â Enumerator Class Public methods
ENV.select! { |name, value| } â ENV or nilENV.select! â Enumerator Class Public methods
ENV.store(name, value) â value Class Public methods Sets the environment variable
ENV.each { |name, value| } â HashENV.each â EnumeratorENV.each_pair { |name, value| } â HashENV.each_pair
ENV.index(value) â key Class Public methods Deprecated method that is equivalent
ENV.invert â Hash Class Public methods Returns a new hash created by using
ENV.each_key { |name| } â HashENV.each_key â Enumerator Class Public methods
ENV.shift â Array or nil Class Public methods Removes an environment variable
Page 3 of 5