Split.java 2.06 KB
package is2.util;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.Reader;
import java.nio.channels.Channels;
import java.nio.channels.FileChannel;
import java.nio.charset.Charset;
import java.nio.charset.CharsetDecoder;
import java.util.StringTokenizer;

public class Split {

	/**
	 * Splits a tokenized sentences into one word per line format:
	 *
	 * Input > I am an text . > Sentence two ...
	 *
	 * Output: I _ _ _ ... am _ _ _ ... ...
	 *
	 * @param args
	 * @throws IOException
	 */
	public static void main(String args[]) throws IOException {

		if (args.length != 1) {
			System.out.println("Please provide a file name.");
			System.exit(0);
		}

		String filename = args[0];
		// Charset charset = Charset.forName("UTF-8");

		FileInputStream in = new FileInputStream(filename);
		FileChannel channel = in.getChannel();
		CharsetDecoder decoder = Charset.defaultCharset().newDecoder();// charset.newDecoder();
		Reader infile = Channels.newReader(channel, decoder, 16 * 1024);
		BufferedReader bInfile = new BufferedReader(infile);

		// DataOutputStream dos = new DataOutputStream(new
		// BufferedOutputStream(new FileOutputStream(options.modelName)));

		String s;
		while ((s = bInfile.readLine()) != null) {

			// do the first tokens contain a colon?
			int colon = 0;
			for (int k = 0; k < 12; k++) {
				if (s.length() <= k)
					break;
				if (s.charAt(k) == ':') {

					colon++;
					break;
				}
				if (s.charAt(k) == ' ')
					break;
			}

			String prefix = colon > 0 ? s.substring(0, s.indexOf(":")) + "_" : "";

			if (colon > 0) {
				s = s.substring(s.indexOf(":") + 1);
			}

			StringTokenizer t = new StringTokenizer(s);
			int i = 1;
			boolean found = false;
			while (t.hasMoreTokens()) {
				found = true;
				String tk = t.nextToken();
				if (tk.contains("="))
					continue;
				System.out.print(prefix + i + "\t");
				System.out.print(tk);
				System.out.println("\t_\t_\t_\t_\t_\t_\t_\t_\t_\t_\t_\t_\t_");
				i++;
			}
			if (found)
				System.out.println();

		}
		bInfile.close();
		in.close();

	}

}