//counts the words in a text file... 
//by Razii with some hints from 

import java.io.*;
import java.util.*;

public final class Jwc
{
 private static final Map<String, int[]> dictionary = 
        new HashMap<String, int[]>(16000, 0.4f);
 private static int tWords = 0;
 private static int tLines = 0;
 private static int tBytes = 0;
 
 public static void main(final String[] args) 
        throws Exception
 {
  System.out.println("Lines\tWords\tBytes\tFile\n");
 
  //TIME STARTS HERE 
  final long start = System.currentTimeMillis();
  
  for (String arg : args)
  {
   File file = new File(arg);
   if (!file.isFile())
   {continue;}
   
   int numLines = 0;
   int numWords = 0;
   final int numBytes = (int) file.length();

   StringBuilder sb = new StringBuilder();
   boolean inword = false;
   
   FileInputStream in = new FileInputStream(arg);
      
   final byte[] buf = new byte[4096];

while (in.read(buf, 0, 4096) != -1)
{  
    for (int i = 0; i < 4096; i++) 
   {
    char c = (char) buf[i];
    if (c == '\n') numLines++;
    else if (c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z')
    {
     sb.append(c);
     inword = true;
    }
    else if (inword)
    {
     numWords++;
     String s = sb.toString();
     int[] count = dictionary.get(s);
     if (count != null)
     {count[0]++;}
     else
     {dictionary.put(s, new int[] {1});}
     sb.delete(0, sb.length());
     inword = false;
    }
   }
}
   System.out.println( numLines + "\t" + numWords + "\t" + numBytes + "\t" + arg);
   tLines += numLines;
   tWords += numWords;
   tBytes += numBytes;
  }
  //Sorts here
  TreeMap<String, int[] > sort = new TreeMap<String, int[]> (dictionary);
  //TIME ENDS HERE 
  final long end = System.currentTimeMillis();
  
  System.out.println("---------------------------------------");
  if (args.length > 1)
  {
   System.out.println(tLines + "\t" + tWords + "\t" + tBytes + "\tTotal");
   System.out.println("---------------------------------------");
  }
  for (Map.Entry<String, int[]> pairs : sort.entrySet())
  {
   System.out.println(pairs.getValue()[0] + "\t" + pairs.getKey());
  }
  System.out.println("Time: " + (end - start) + " ms");
 }
}