secure copy (scp) between two UNIX machines

Copy a directory from localhost to a remote directory on a remote machine:

scp -r mydir username@remotemachine:/home/remotedirectory/

Copy a remote directory from a remote machine to the current directory:

scp -r username@remotemachine:/home/remotedirectory/ .

username is the user on remote host
remotemachine is the remote machine’s name or IP
remote directory is specified after the colon

parse file directory with recursive closure in groovy

def traverse
traverse = { folder  ->
  folder.listFiles().each
  {
    def file = it;
    if (file.isDirectory())
    {
      traverse(file)
    }
    else
    {
      System.out.println(file);
    }
  }
}

traverse(new java.io.File("projectdir"));