Split.java
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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();
}
}