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 Java > IO > File Name Filter

File Name Filter 

The following example shows how to filter the contents of a given directory using FilenameFilter. Here we filter out the log files from the given directory.

File Name  :  
com/bethecoder/tutorials/io/FileNameFilterTest.java 
Author  :  Sudhakar KV
Email  :  kvenkatasudhakar@gmail.com
   
package com.bethecoder.tutorials.io;

import java.io.File;
import java.io.FilenameFilter;

public class FileNameFilterTest {

  /**
   @param args
   */
  public static void main(String[] args) {

    File directory = new File("C:\\NEW");
    File [] filesInDir = directory.listFiles(new LogFileNameFilter());
    
    System.out.println("Directory file listing of " + directory);
    for (int i = ; i < filesInDir.length ; i ++) {
      System.out.println(filesInDir[i]);
    }
  }

}

class LogFileNameFilter implements FilenameFilter {

  @Override
  public boolean accept(File dir, String name) {
    
    if (name.toLowerCase().endsWith(".log")) {
      return true;
    }
    
    return false;
  }
  
}
   

It gives the following output,
Directory file listing of C:\NEW
C:\NEW\BIOSinfo.log
C:\NEW\IPC.LOG


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