Java Paragraph

gistfile1.java

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class start
{
    public static void main(String[] args)
    {
        ArrayList<String> lines = new ArrayList<String>();
        try
        {
            BufferedReader in = new BufferedReader(new FileReader(args[0]));
            String s;
            StringBuilder sb = new StringBuilder();

            while ((s = in.readLine()) != null)
            {
                sb.append(s + "\n");
            }
            in.close();

            String pattern = "([^\\.]+)\\n";
                    //"(\\.|」|\")(\\s){1,}\n";
            Pattern p = Pattern.compile(pattern);
            Matcher m = p.matcher(sb);

            while (m.find())
            {
                m.replaceAll("$1");
            }
                        

            System.out.println(sb.toString());

        } catch (IOException e)
        {
            System.err.println(e);
            System.exit(1);
        }


    }
}