#!/usr/bin/ruby

if ARGV.size == 0
  STDERR.print "#{$0}: no file addressed\n";
else
  ARGV.each do |file_name|
    begin
      open(file_name, "r").each {|line| puts line }
    rescue Errno::ENOENT
      STDERR.print "#{$0}: can't open #{file_name}\n"
    end
  end
end