#!/usr/bin/ruby
# finger [USER]@HOST - tiny remote finger(1) implementation

require 'socket'

if ARGV[0] =~ /(.*)@(.*)/
  begin
    user, host = $1, $2
    TCPSocket.open(host, 79) { |sock|
      sock.write "#{user}\r\n"
      puts sock.read
    }
  rescue SocketError, SystemCallError => e
    abort "finger: #{e.message}"
  end
else
  ARGV.unshift "-l"  unless ARGV.empty?
  exec "pinky", *ARGV
end