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  2. github.com/elastic/elasticsearch

    build-conventions/src/main/java/org/elasticsearch/gradle/internal/conventions/info/GitInfo.java 

                    final Path workTree = Paths.get(readFirstLine(dotGit).substring("gitdir:".length()).trim());
                if (Files.exists(workTree) == false) {
                    return new GitInfo("unknown", "unknown");
                }
                head = workTree.resolve("HEAD");
                final Path commonDir = Paths.get(readFirstLine(workTree.resolve("commondir")));
                if (commonDir.isAbsolute()) {
    Created: Wed Apr 08 16:19:15 GMT 2026
    - Last Modified: Tue Jun 01 09:19:30 GMT 2021
    - 7.8K bytes
    - Click Count (0)
  3. github.com/google/guava

    android/guava/src/com/google/common/io/Files.java 

       * @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();
  }

  /**
    Created: Fri Apr 03 12:43:13 GMT 2026
    - Last Modified: Mon Jan 05 22:13:21 GMT 2026
    - 32.8K bytes
    - Click Count (0)
  4. github.com/google/guava

    android/guava/src/com/google/common/io/CharSource.java 

       * it does.
   *
   * @throws IOException if an I/O error occurs while reading from this source
   */
  public @Nullable String readFirstLine() throws IOException {
    Closer closer = Closer.create();
    try {
      BufferedReader reader = closer.register(openBufferedStream());
      return reader.readLine();
    } catch (Throwable e) {
    Created: Fri Apr 03 12:43:13 GMT 2026
    - Last Modified: Mon Feb 23 19:19:10 GMT 2026
    - 25.7K bytes
    - Click Count (0)
  5. github.com/google/guava

    guava-tests/test/com/google/common/io/CharSourceTester.java 

        assertExpectedString(string);
  }

  public void testReadFirstLine() throws IOException {
    if (expectedLines.isEmpty()) {
      assertThat(source.readFirstLine()).isNull();
    } else {
      assertThat(source.readFirstLine()).isEqualTo(expectedLines.get(0));
    }
  }

  public void testReadLines_toList() throws IOException {
    assertExpectedLines(source.readLines());
  }
    Created: Fri Apr 03 12:43:13 GMT 2026
    - Last Modified: Thu Mar 12 17:47:10 GMT 2026
    - 7.4K bytes
    - Click Count (0)
  6. github.com/google/guava

    android/guava-tests/test/com/google/common/io/FilesTest.java 

        File temp = createTempFile();
    assertThat(Files.readFirstLine(temp, UTF_8)).isNull();
    assertTrue(Files.readLines(temp, UTF_8).isEmpty());

    PrintWriter w = new PrintWriter(Files.newWriter(temp, UTF_8));
    w.println("hello");
    w.println("");
    w.println(" world  ");
    w.println("");
    w.close();

    assertThat(Files.readFirstLine(temp, UTF_8)).isEqualTo("hello");
    Created: Fri Apr 03 12:43:13 GMT 2026
    - Last Modified: Thu Mar 19 18:53:45 GMT 2026
    - 22.8K bytes
    - Click Count (0)
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