Copy a directory

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Revision as of 06:54, 19 July 2010 by (Talk)



    // Copies all files under srcDir to dstDir.
    // If dstDir does not exist, it will be created.
    public void copyDirectory(File srcDir, File dstDir) throws IOException {
        if (srcDir.isDirectory()) {
            if (!dstDir.exists()) {
            String[] children = srcDir.list();
            for (int i=0; i<children.length; i++) {
                copyDirectory(new File(srcDir, children[i]),
                                     new File(dstDir, children[i]));
        } else {
            // This method is implemented in e1071 Copying a File
            copyFile(srcDir, dstDir);


Copies a file system entry src to dest. If src is a directory, this method copies its contents recursively.

require 'fileutils'

FileUtils.copy_entry src, dest