title: Merge csv files in one file
body: <p>i have a set of csv files , i want to merge them in one csv file. ,it take some times ,but i don't find the file in the destination path </p>
  
  <pre><code>hdfs dfs -getmerge /DATA /data1/result.csv
  </code></pre>
  
  <p>Any help 
  Thanks</p>