u(s) Class Public methods Alias for: url_encode

html_escape(s) Class Public methods A utility method for escaping HTML tag characters in s. require "erb" include ERB::Util puts html_escape("is a > 0 & a < 10?") Generates is a &gt; 0 &amp; a &lt; 10? h

h(s) Class Public methods Alias for: html_escape

def_erb_method(methodname, erb_or_fname) Class Public methods define methodname as instance method of current module, using ERB object or eRuby file

ENV.values_at(name, ...) â Array Class Public methods Returns an array containing the environment variable values associated with the given names. See also ::select.

ENV.values â Array Class Public methods Returns every environment variable value as an Array

ENV.value?(value) â true or false Class Public methods Returns true if there is an environment variable with the given value.

ENV.update(hash) â HashENV.update(hash) { |name, old_value, new_value| } â Hash Class Public methods Adds the contents of hash to the environment variables. If no block is specified entries with duplicate keys are overwritten, otherwise the value of each duplicate name is determined by calling the block with the key, its value from the environment and its value from the hash.

ENV.to_s â "ENV" Class Public methods Returns âENVâ

ENV.to_hash â hash Class Public methods Creates a hash with a copy of the environment variables.