Mac

# File lib/macaddr.rb, line 54
def address
  return @mac_address if defined? @mac_address and @mac_address
  re = /[^:\-](?:[0-9A-F][0-9A-F][:\-]){5}[0-9A-F][0-9A-F][^:\-]/o
  cmds = '/sbin/ifconfig', '/bin/ifconfig', 'ifconfig', 'ipconfig /all', 'cat /sys/class/net/*/address'

  null = test(ee, '/dev/null') ? '/dev/null' : 'NUL'

  output = nil
  cmds.each do |cmd|
    status, stdout, stderr = systemu(cmd) rescue next
    next unless stdout and stdout.size > 0
    output = stdout and break
  end
  raise "all of #{ cmds.join ' ' } failed" unless output

  @mac_address = parse(output)
end

# File lib/macaddr.rb, line 32
def Mac.dependencies
  {
    'systemu' => [ 'systemu' , '~> 2.5.0' ]
  }
end

# File lib/macaddr.rb, line 83
def list() @list end

# File lib/macaddr.rb, line 72
def parse(output)
  lines = output.split(/\n/)

  candidates = lines.select{|line| line =~ RE}
  raise 'no mac address candidates' unless candidates.first
  candidates.map!{|c| c[RE].strip}

  maddr = candidates.first
  raise 'no mac address found' unless maddr

  maddr.strip!
  maddr.instance_eval{ @list = candidates; def list() @list end }
  maddr
end

# File lib/macaddr.rb, line 28
def Mac.version
  ::Mac::VERSION
end