Method copy

guava/src/com/google/common/io/Files.java:300–302

Copies all bytes from a file to an output stream. <p><b>{@link java.nio.file.Path} equivalent:</b> {@link java.nio.file.Files#copy(java.nio.file.Path, OutputStream)}. @param from the source file @param to the output stream @throws IOException if an I/O error occurs

(File from, OutputStream to)

   * @throws IOException if an I/O error occurs
   */
  public static void copy(File from, OutputStream to) throws IOException {
    asByteSource(from).copyTo(to);
  }

  /**
   * Copies all the bytes from one file to another.