uploading ftp files

#!/usr/bin/env ruby

#Very simple ftp upload program by ruby

if ARGV[0] == nil

 abort "\nInput ftp site ip or domain name"

elsif ARGV[1] == nil

 abort "\nInput the text file that you want to upload"

end

require 'net/ftp'

ftp = Net::FTP.new(ARGV[0])

ftp.passive = true

ftp.login 'yourname', 'yourpasswd'

ftp.chdir('/dir/to/you/want')

ftp.puttextfile(ARGV[1])

#ftp.putbinaryfile(ARGV[1])

ftp.list('*') { |file| puts file }

ftp.close