Example usage for java.io File list

Introduction

In this page you can find the example usage for java.io File list.

Prototype

public String[] list()

Source Link

Document

Returns an array of strings naming the files and directories in the directory denoted by this abstract pathname.

Usage

From source file:Main.java

public static void main(String[] args) {
    File file = new File("C:/");
    String[] files = file.list();

    System.out.println("contents of " + file.getPath());

    for (int i = 0; i < files.length; i++) {
        System.out.println(files[i]);
    }//from   w w  w.jav  a2  s .  c  om
}

From source file:MainClass.java

public static void main(String[] a) {
    File myFile = new File("C:" + File.separator);
    for (String s : myFile.list()) {
        System.out.println(s);//  ww w . j a va 2  s.  c o  m
    }
}

From source file:Main.java

public static void main(String[] argv) throws Exception {
    File dir = new File("directoryName");

    String[] children = dir.list();
    if (children == null) {
        System.out.println("does not exist or is not a directory");
    } else {//from   w  w  w  .j  ava 2 s . co m
        for (int i = 0; i < children.length; i++) {
            String filename = children[i];
            System.out.println(filename);
        }
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    CheckedOutputStream checksum = new CheckedOutputStream(new FileOutputStream("data.zip"), new Adler32());
    ZipOutputStream zos = new ZipOutputStream(new BufferedOutputStream(checksum));

    int size = 0;
    byte[] buffer = new byte[1024];

    File dir = new File(".");
    String[] files = dir.list();

    for (int i = 0; i < files.length; i++) {
        System.out.println("Compressing: " + files[i]);
        FileInputStream fis = new FileInputStream(files[i]);
        ZipEntry zipEntry = new ZipEntry(files[i]);
        zos.putNextEntry(zipEntry);/*  w  w  w  .  j  a va 2s.co  m*/

        while ((size = fis.read(buffer, 0, buffer.length)) > 0) {
            zos.write(buffer, 0, size);
        }
        zos.closeEntry();
        fis.close();
    }
    zos.close();
    System.out.println("Checksum   : " + checksum.getChecksum().getValue());
}

From source file:Main.java

public static void main(String[] args) {
    File file = new File("/data");

    if (file.isDirectory()) {
        String[] files = file.list();

        if (files.length > 0) {
            System.out.println("The " + file.getPath() + " is not empty!");
        }//from w w  w.  j  a v a 2s .co  m
    }
}

From source file:Main.java

public static void main(String args[]) throws Exception {
    File file = new File(".");

    if (file.isDirectory()) {
        String[] files = file.list();
        for (int i = 0; i < files.length; i++)
            System.out.println(files[i]);
    } else {/*  w  ww  .j  av a 2s  .c o  m*/
        FileReader fr = new FileReader(file);
        BufferedReader in = new BufferedReader(fr);
        String line;
        while ((line = in.readLine()) != null)
            System.out.println(line);
    }
}

From source file:Main.java

public static void main(String[] args) {

    // create new file
    File f = new File("c:/test");

    // array of files and directory
    String[] paths = f.list();

    // for each name in the path array
    for (String path : paths) {
        System.out.println(path);
    }// w  w  w .  ja v  a 2  s.  c o m

}

From source file:MainClass.java

public static void main(String[] args) {
    File path = new File(".");
    String[] list;//from   w  w  w  .  j a v  a2s  .  co  m
    if (args.length == 0)
        list = path.list();
    else
        list = path.list(new DirFilter(args[0]));
    Arrays.sort(list);
    for (int i = 0; i < list.length; i++)
        System.out.println(list[i]);
}

From source file:MainClass.java

public static void main(final String[] args) {
    File path = new File(".");
    String[] list;// w  ww  .  ja  v  a 2  s .  c om
    if (args.length == 0)
        list = path.list();
    else
        list = path.list(new FilenameFilter() {
            private Pattern pattern = Pattern.compile(args[0]);

            public boolean accept(File dir, String name) {
                return pattern.matcher(new File(name).getName()).matches();
            }
        });
    Arrays.sort(list);
    for (int i = 0; i < list.length; i++)
        System.out.println(list[i]);
}

From source file:FindDirectories.java

public static void main(String[] args) {
    // if no arguments provided, start at the parent directory
    if (args.length == 0)
        args = new String[] { ".." };

    try {//  ww  w  .  j  ava  2  s . c  om
        File pathName = new File(args[0]);
        String[] fileNames = pathName.list();

        // enumerate all files in the directory
        for (int i = 0; i < fileNames.length; i++) {
            File f = new File(pathName.getPath(), fileNames[i]);

            // if the file is again a directory, call the main method recursively
            if (f.isDirectory()) {
                System.out.println(f.getCanonicalPath());
                main(new String[] { f.getPath() });
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}