Method: LinuxStat::BIOS.version

Defined in:
lib/linux_stat/bios.rb

.version ⇒ Object

Returns the version of the BIOS.

If the information is not available it will return a frozen empty string.

The output is also cached (memoized) ; as changing the value in runtime is unexpected.



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# File 'lib/linux_stat/bios.rb', line 44

def version
	@@version ||= if File.readable?('/sys/devices/virtual/dmi/id/bios_version')
		IO.read('/sys/devices/virtual/dmi/id/bios_version').tap(&:strip!)
	else
		''.freeze
	end
end