Method append

guava/src/com/google/common/io/Files.java:357–364

Appends a character sequence (such as a string) to a file using the given character set. @param from the character sequence to append @param to the destination file @param charset the charset used to encode the output stream; see {@link StandardCharsets} for helpful predefined constants @throws

(CharSequence from, File to, Charset charset)

   * @deprecated Prefer {@code asCharSink(to, charset, FileWriteMode.APPEND).write(from)}.
   */
  @Deprecated
  @InlineMe(
      replacement = "Files.asCharSink(to, charset, FileWriteMode.APPEND).write(from)",
      imports = {"com.google.common.io.FileWriteMode", "com.google.common.io.Files"})
  public
  static void append(CharSequence from, File to, Charset charset) throws IOException {
    asCharSink(to, charset, FileWriteMode.APPEND).write(from);
  }

  /**
   * Returns true if the given files exist, are not directories, and contain the same bytes.