Type:
Module
Constants:
RUBYGEMS_ACTIVATION_MONITOR : Monitor.new # :nodoc:

The Kernel module is included by class Object, so its methods are available in every Ruby object.

The Kernel instance methods are documented in class Object while the module methods are documented here. These methods are called without a receiver and thus can be called in functional form:

sprintf "%.1f", 1.234 #=> "1.2"
trap
  • References/Ruby on Rails/Ruby/Classes/Kernel

Signal.trap( signal, command ) â objSignal.trap( signal ) {| | block } â obj Instance Public methods

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local_variables
  • References/Ruby on Rails/Ruby/Classes/Kernel

local_variables â array Instance Public methods Returns the names of the

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catch
  • References/Ruby on Rails/Ruby/Classes/Kernel

catch([arg]) {|tag| block } â obj Instance Public methods catch

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untrace_var
  • References/Ruby on Rails/Ruby/Classes/Kernel

untrace_var(symbol [, cmd] ) â array or nil Instance Public methods Removes

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__callee__
  • References/Ruby on Rails/Ruby/Classes/Kernel

__callee__() Instance Public methods

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`
  • References/Ruby on Rails/Ruby/Classes/Kernel

`cmd` â string Instance Public methods Returns the standard output of running

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puts
  • References/Ruby on Rails/Ruby/Classes/Kernel

puts(obj, ...) â nil Instance Public methods Equivalent to

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throw
  • References/Ruby on Rails/Ruby/Classes/Kernel

throw(tag [, obj]) Instance Public methods Transfers control to the end of

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fork
  • References/Ruby on Rails/Ruby/Classes/Kernel

Kernel.fork [{ block }] â fixnum or nilProcess.fork [{ block }] â fixnum or nil Instance Public methods

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select
  • References/Ruby on Rails/Ruby/Classes/Kernel

IO.select(read_array[, write_array[, error_array[, timeout]]]) â array or nil Instance Public

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