Method readFirstLine

android/guava/src/com/google/common/io/Files.java:518–525

Reads the first line from a file. The line does not include line-termination characters, but does include other leading and trailing whitespace. @param file the file to read from @param charset the charset used to decode the input stream; see {@link StandardCharsets} for helpful predefined cons

(File file, Charset charset)

   * @deprecated Prefer {@code asCharSource(file, charset).readFirstLine()}.
   */
  @Deprecated
  @InlineMe(
      replacement = "Files.asCharSource(file, charset).readFirstLine()",
      imports = "com.google.common.io.Files")
  public
  static @Nullable String readFirstLine(File file, Charset charset) throws IOException {
    return asCharSource(file, charset).readFirstLine();
  }

  /**
   * Reads all of the lines from a file. The lines do not include line-termination characters, but