Kill - Remove files by name

import java.io.*;
//DANGEROUS Program to remove files matching a name in a directory
    public class KillFilesByName {
         public static void main(String[] argv) {
             if (argv.length != 2) {
             System.err.println("usage: KillFilesByName dirname pattern");
             System.exit(1);
         }
        
         File dir = new File(argv[0]);
             if (!dir.exists()) {
             System.out.println(argv[0] + " does not exist");
             return;
         }
         String patt = argv[1];
        
         String[] info = dir.list();
             for (int i=0; i             File n = new File(argv[0] + dir.separator + info[i]);
                 if (!n.isFile()) { // skip ., .., other directories, etc.
                 continue;
             }
                 if (info[i].indexOf(patt) == -1) { // name doesn't match
                 continue;
             }
             System.out.println("removing " + n.getPath());
             if (!n.delete())
             System.err.println("Couldn't remove " + n.getPath());
         }
     }
}