wc.java

// $Id: wc.java,v 1.2 2001年05月31日 22:56:19 doug Exp $
// http://www.bagley.org/~doug/shootout/
// with help from Dirus@programmer.net
import java.io.*;
import java.util.*;
import java.text.*;
// this program modified from:
// http://cm.bell-labs.com/cm/cs/who/bwk/interps/pap.html
// Timing Trials, or, the Trials of Timing: Experiments with Scripting
// and User-Interface Languages</a> by Brian W. Kernighan and
// Christopher J. Van Wyk.
public class wc {
 public static void main(String[] args) {
 int nl = 0, nw = 0, nc = 0;
 try {
 byte[] buff = new byte[4096];
 boolean inword = false;
 int length;
 while ((length = System.in.read(buff)) != -1) {
 nc += length;
 for(int i = 0; i < length; i++) {
 char c = (char)buff[i];
 if (c == '\n')
 ++nl;
 if (Character.isWhitespace(c))
 inword = false;
 else if (inword == false) {
 ++nw;
 inword = true;
 }
 }
 }
 } catch (IOException e) {
 System.err.println(e);
 return;
 }
 System.out.println(Integer.toString(nl) + " " +
 Integer.toString(nw) + " " +
 Integer.toString(nc));
 }
}