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Groovy example source code file (wc.java)

This example Groovy source code file (wc.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

io, ioexception, ioexception, text, util

The Groovy wc.java source code

// $Id: wc.java,v 1.2 2004-06-20 08:39:47 bfulgham 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;
	    char c;

            while ((length = System.in.read(buff)) != -1) {
                nc += length;
                for(int i = 0; i < length; i++) {
                    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));
    }
}

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