static Path[] getInputPaths(Configuration conf) throws IOException {
    String dirs = conf.get("mapred.input.dir");
    if (dirs == null) {
      throw new IOException("Configuration mapred.input.dir is not defined.");
    }
    String [] list = StringUtils.split(dirs);
    Path[] result = new Path[list.length];
    for (int i = 0; i < list.length; i++) {
      result[i] = new Path(StringUtils.unEscapeString(list[i]));
    }
    return result;
  }
Get the list of input {@link Path}s for the map-reduce job.

@param conf The configuration of the job
@return the list of input {@link Path}s for the map-reduce job.
ql/src/java/org/apache/hadoop/hive/ql/io/orc/OrcInputFormat.java