package btp.oneP;

import java.io.File;

import java.io.FilenameFilter;

import java.util.Arrays;

import java.util.regex.Pattern;

public class DirList2 {

public static FilenameFilter filter(final String regex){

return new FilenameFilter(){

private Pattern pattern = Pattern.compile(regex);

@Override

public boolean accept(File dir, String name) {

// TODO Auto-generated method stub

return pattern.matcher(name).matches();

}

};

}

public static void main(final String[] args) {

File path = new File("E:\\workspaces\\NewWork\\Study\\src\\btp\\oneP");

String[] list;

if(args.length == 0){

list = path.list();

}else{

//list = path.list(filter(args[0]));

list = path.list(new FilenameFilter(){

private Pattern pattern = Pattern.compile(args[0]);

@Override

public boolean accept(File dir, String name) {

// TODO Auto-generated method stub

return pattern.matcher(name).matches();

}

});

}

Arrays.sort(list, String.CASE_INSENSITIVE_ORDER);

for(String dirItem : list){

System.out.println(dirItem);

}

}

}