title: Multiple Input folder location in Mapper
body: <p>Is it possible any way to provide multiple input folder location in Driver class? </p>
  
  <p>I have 4 input folder location in that case how we can specify those all 4 folder location in my driver class so that my mapper can read data from all files in those 4 different folders. </p>
  
  <p>Thanks a lot...</p>