public InputStream get(String src, final SftpProgressMonitor monitor, final long skip) throws SftpException{

    try{
      ((MyPipedInputStream)io_in).updateReadSide();

      src=remoteAbsolutePath(src);
      src=isUnique(src);
     //........
   }
}

  /**
   * This method will check if the given string can be expanded to the
   * unique string.  If it can be expanded to mutiple files, SftpException
   * will be thrown.
   * @return the returned string is unquoted.
   */
  private String isUnique(String path) throws SftpException, Exception{
    Vector v=glob_remote(path);
    if(v.size()!=1){
      throw new SftpException(SSH_FX_FAILURE, path+" is not unique: "+v.toString());
    }
    return (String)(v.elementAt(0));
  }