Module: LinuxStat::BIOS

Defined in:
lib/linux_stat/bios.rb

Class Method Summary collapse

Class Method Details

.date ⇒ Object

Returns the date 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 56

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

.model ⇒ Object

Returns the model 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 10

def model
  # cached (memoized) ; as changing the value in runtime is unexpected
  @@model ||= if File.readable?('/sys/devices/virtual/dmi/id/product_name')
    IO.read('/sys/devices/virtual/dmi/id/product_name').tap(&:strip!)
  elsif File.readable?('/sys/firmware/devicetree/base/model')
    IO.read('/sys/firmware/devicetree/base/model').tap(&:strip!)
  else
    ''.freeze
  end
end

.vendor ⇒ Object

Returns the vendor 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 27

def vendor
  # cached (memoized) ; as changing the value in runtime is unexpected
  @@vendor ||= if File.readable?('/sys/devices/virtual/dmi/id/bios_vendor')
    IO.read('/sys/devices/virtual/dmi/id/bios_vendor').tap(&:strip!)
  else
    ''.freeze
  end
end

.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 42

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