Method: ComputeUnit::Device#read_file

Defined in:
lib/compute_unit/device.rb

#read_file(path, default = nil) ⇒ Object 



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# File 'lib/compute_unit/device.rb', line 128

def read_file(path, default = nil)
  File.read(path).chomp
rescue Errno::EINVAL, Errno::EPERM
  default
rescue Errno::ENOENT
  logger.debug("File #{path} does not exist, using defaults")
  default
rescue Errno::EACCES
  logger.fatal('run this command as root or with sudo, using default value')
  default
end