title: Implementing R programs in hadoop System
body: <p>I have written Mapper and Reducer programs using R language. I am using the Hadoop streaming utility to execute the R programs on hadoop. My constraint is that i need to input 2 text files to the mapper program. How to achieve it? Kindly assist at the earliest.</p>
  
  <p>For single input, I am placing the input file in the HDFS and referring them using the stdin command.But how to achieve it for multiple input files</p>