import java.util.Date; import java.util.Comparator; import java.util.Arrays;

import java.util.Date;

void setup() {

// Using just the path of this sketch to demonstrate, // but you can list any directory you like. String path = sketchPath();

println("Listing all filenames in a directory: "); String[] filenames = listFileNames(path); printArray(filenames);

println("\nListing info about all files in a directory: "); File[] files = listFiles(path);

Arrays.sort(files, new Comparator<file>() { public int compare(File f1, File f2) { return Long.valueOf(f2.lastModified()).compareTo(f1.lastModified()); } });

for (int i = 0; i < files.length; i++) { File f = files[i];
println("Name: " + f.getName()); println("Is directory: " + f.isDirectory()); println("Size: " + f.length()); String lastModified = new Date(f.lastModified()).toString(); println("Last Modified: " + lastModified); println("-----------------------"); }

println("\nListing info about all files in a directory and all subdirectories: "); ArrayList<File> allFiles = listFilesRecursive(path);

for (File f : allFiles) { println("Name: " + f.getName()); println("Full path: " + f.getAbsolutePath()); println("Is directory: " + f.isDirectory()); println("Size: " + f.length()); String lastModified = new Date(f.lastModified()).toString(); println("Last Modified: " + lastModified); println("-----------------------"); }

noLoop(); }

// Nothing is drawn in this program and the draw() doesn't loop because // of the noLoop() in setup() void draw() { }

// This function returns all the files in a directory as an array of Strings
String[] listFileNames(String dir) { File file = new File(dir); if (file.isDirectory()) { String names[] = file.list(); return names; } else { // If it's not a directory return null; } }

// This function returns all the files in a directory as an array of File objects // This is useful if you want more info about the file File[] listFiles(String dir) { File file = new File(dir); if (file.isDirectory()) { File[] files = file.listFiles(); return files; } else { // If it's not a directory return null; } }

// Function to get a list of all files in a directory and all subdirectories ArrayList<File> listFilesRecursive(String dir) { ArrayList<File> fileList = new ArrayList<File>(); recurseDir(fileList, dir); return fileList; }

// Recursive function to traverse subdirectories void recurseDir(ArrayList<File> a, String dir) { File file = new File(dir); if (file.isDirectory()) { // If you want to include directories in the list a.add(file);
File[] subfiles = file.listFiles(); for (int i = 0; i < subfiles.length; i++) { // Call this function on all files in this directory recurseDir(a, subfiles[i].getAbsolutePath()); } } else { a.add(file); } }