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//: io/MakeDirectories.java

// Demonstrates the use of the File class to

// create directories and manipulate files.

// {Args: MakeDirectoriesTest}

import java.io.*;

public class MakeDirectories {

private static void usage() {

System.err.println(

"Usage:MakeDirectories path1 ...\n" +

"Creates each path\n" +

"Usage:MakeDirectories -d path1 ...\n" +

"Deletes each path\n" +

"Usage:MakeDirectories -r path1 path2\n" +

"Renames from path1 to path2");

System.exit(1);

}

private static void fileData(File f) {

System.out.println(

"Absolute path: " + f.getAbsolutePath() +

"\n Can read: " + f.canRead() +

"\n Can write: " + f.canWrite() +

"\n getName: " + f.getName() +

"\n getParent: " + f.getParent() +

"\n getPath: " + f.getPath() +

"\n length: " + f.length() +

"\n lastModified: " + f.lastModified());

if(f.isFile())

System.out.println("It's a file");

else if(f.isDirectory())

System.out.println("It's a directory");

}

public static void main(String[] args) {

if(args.length < 1) usage();

if(args[0].equals("-r")) {

if(args.length != 3) usage();

File

old = new File(args[1]),

rname = new File(args[2]);

old.renameTo(rname);

fileData(old);

fileData(rname);

return; // Exit main

}

int count = 0;

boolean del = false;

if(args[0].equals("-d")) {

count++;

del = true;

}

count--;

while(++count < args.length) {

File f = new File(args[count]);

if(f.exists()) {

System.out.println(f + " exists");

if(del) {

System.out.println("deleting..." + f);

f.delete();

}

}

else { // Doesn't exist

if(!del) {

f.mkdirs();

System.out.println("created " + f);

}

}

fileData(f);

}

}

} /* Output: (80% match)

created MakeDirectoriesTest

Absolute path: d:\aaa-TIJ4\code\io\MakeDirectoriesTest

Can read: true

Can write: true

getName: MakeDirectoriesTest

getParent: null

getPath: MakeDirectoriesTest

length: 0

lastModified: 1101690308831

It's a directory

*///:~