ENV is a hash-like accessor for environment variables.
ENV.delete(name) â valueENV.delete(name) { |name| } â value Class Public methods
ENV.to_a â Array Class Public methods Converts the environment variables into
ENV.member?(name) â true or false Class Public methods Returns true
ENV.delete_if { |name, value| } â HashENV.delete_if â Enumerator Class Public methods
ENV.select { |name, value| } â HashENV.select â Enumerator Class Public methods
ENV[name] â value Class Public methods Retrieves the value for
pretty_print(q) Class Public methods
ENV.rehash Class Public methods Re-hashing the environment variables does nothing
ENV.reject! { |name, value| } â ENV or nilENV.reject! â Enumerator Class Public methods
ENV.size Class Public methods Returns the number of environment variables.
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