[External] : Re: My experience using Java to do CLI Scripting

[Ron Pressler]

> On 14 Apr 2025, at 21:48, Remi Forax <forax at univ-mlv.fr> wrote:
> 
> 
> Hi Ron,
> i think you need to close the inputReader
> 
>  public static String output(String... args) {
>    ProcessBuilder processBuilder = new ProcessBuilder(args);
>    try {
>      Process process = processBuilder.start();
>      try (BufferedReader reader = process.inputReader()) {
>        return reader.lines().collect(Collectors.joining("\n"));
>      }
>    } catch (IOException e) {
>      throw new IOError(e);
>    }
>  }


When the process terminates, the InputStream underlying the pipe is closed (after being drained and the unread bytes served by a ByteArrayInputStream), which *I think* should be sufficient, but I could be wrong.

— Ron