filename = ARGV[0]

def read_file_one(filename)
    if File.readable?(filename) and !File.directory?(filename)
        File.read(filename)
    else
        raise "Cannot read #{filename}"
    end
end

def read_file_two(filename)
    begin
        return File.read(filename)
    rescue Exception => e
        raise e
    end
end

begin
    puts read_file_one(filename)
rescue Exception => e
    $stderr.puts e.message
end

begin
    puts read_file_two(filename)
rescue Exception => e
    $stderr.puts e.message
end