dir.java

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import java.io.*;
public class Dir
{
  public static void main(String[] args)
  {
    File flDir = new File(".");
    System.out.println("Files in "+flDir.getAbsolutePath());
    String strFiles[] = flDir.list();
    int intDirCount = 0,intFileCount = 0;
    long lngSize = 0;
    for (int i = 0; i < strFiles.length; i++ )
    {
      File flTemp = new File(strFiles[i]);
      if (flTemp.exists())
      {
        if (flTemp.isFile())
        {
          System.out.println(strFiles[i] + "\t" + flTemp.length());
          intFileCount++;
          lngSize = lngSize + flTemp.length();
        }
        if (flTemp.isDirectory() )
        {
          System.out.println(strFiles[i] +"\t<DIR> " );
          intDirCount ++;
        }
     }
  }
    System.out.println(intFileCount +"file(s) \t" + lngSize +"bytes");
    System.out.println(intDirCount +"dir(s)");
  }
}