Vim printer

#!/usr/bin/env ruby
if ARGV.length < 1
    puts "Usage: #{$0} <filename> [vim color scheme]"
    exit 1
end
puts "Welcome to #{$0}"
puts "PRINTING #{ARGV[0]}"
printopts="+set printoptions=number:y,left:5pc"
color = "+colo"
if ARGV.length == 2
color = "+colo #{ARGV[1]}"
end
`vim "#{color}" "#{printopts}" "+hardcopy > /tmp/out.ps" #{ARGV[0]} "+q"`