Ruby Script for parsing and loading redis AOF file

aof_parser.rb

require 'rubygems'
require 'redis'

aof_file = ARGV[0]
p "reading aof_file: #{aof_file}"
file = File.read aof_file

$server = {
  "host" => "localhost",
  "port" => 6379
}

redis_cnxn = Redis.new $server
redis_cnxn.flushall
puts "file has #{file.split("\r\n").size} lines"

commands = file.split /^\*/

commands.each do |cmd|
  split_cmd = cmd.split("\r\n")[1..-1]
  next unless split_cmd
  split_cmd.reject! { |cmd| cmd =~ /^\$/ }
  redis_cmd = split_cmd[0]
  redis_key = split_cmd[1]
  redis_args = split_cmd[2..-1]
  p "command: #{redis_cmd} \t key: #{redis_key} and args: #{redis_args}"
  p "copying key: #{redis_key} to server: #{$servers[idx].inspect}"
  redis_cnxn.send redis_cmd, redis_key, *redis_args
end