#!/usr/bin/env ruby

def absolute_path(path)
  path =~ /^\// ? path : File.join(Dir.pwd, path)
end

file   = absolute_path(ARGV[0])
input  = ARGV[1]
output = ARGV[2]
config = ARGV[3]

require file

`$HADOOP_HOME/bin/hadoop jar $HADOOP_HOME/contrib/streaming/hadoop-*-streaming.jar \
                -additionalconfspec "#{config}" \
                -input "#{input}"  \
                -mapper "mandy-map #{file}"  \
                -reducer "mandy-reduce #{file}"  \
                -file "#{file}" \
                -output "#{output}"`