|
又用Java实现了一个，发现Java的正则表达式略有不同，而且也感觉到了Java的读写文件很不雅观。
/*
* Created on 2004-10-1
*/
import java.util.regex.*;
import java.io.*;
/**
* @author dancefire
*/
public class DataFilter {
public static void main(String[] args) {
if(args.length < 2)
{
System.err.println("Please enter 2 filenames(e.g. In.txt Out.txt)");
return;
}
String strIn = null, strOut = null;
// Get string from a file
strIn = readFile(args[0]);
// Process
strOut = filter(strIn);
// Store Result into a file
writeFile(args[1], strOut);
}
private static void writeFile(String filename, String data)
{
BufferedWriter wr = null;
try{
wr = new BufferedWriter( new FileWriter(filename));
wr.write(data);
}catch( Exception e )
{
e.printStackTrace();
}finally{
try{
if( wr != null )
wr.close();
}catch( Exception e ){
e.printStackTrace();
}
}
return;
}
private static String readFile(String filename)
{
String strRet = null;
BufferedReader rd = null;
try{
rd = new BufferedReader( new FileReader(filename));
String line = null;
StringBuffer sb = new StringBuffer();
[1] [2] 下一页 | 
