Catching STDERR output about process HOT 3 OPEN

amphp commented on June 13, 2024

Catching STDERR output

from process.

Comments (3)

kelunik commented on June 13, 2024 1

You can use Amp\ByteStream\pipe to stream the contents of one stream to another stream. Doing this for both stdout and stderr will likely give you what you're asking for:

async(ByteStream\pipe(...), $process->getStdout(), ByteStream\getStdout())->ignore();
async(ByteStream\pipe(...), $process->getStderr(), ByteStream\getStderr())->ignore();

from process.

kelunik commented on June 13, 2024 1

If you want both streamed to stdout, you can of course change the destination in the second call.

from process.

jigarius commented on June 13, 2024

Thanks a ton for the answer. One last question in this regard.

In the given context, how do I break the each?

Loop::run(function () use ($values, $command, $placeholder, $output, $progressBar, $workers, &$exitCode) {
  yield ConcurrentIterator\each(
    Iterator\fromIterable($values),
    new LocalSemaphore($workers),
    function ($value) use ($command, $placeholder, $output, $progressBar, &$exitCode) {
      // TODO: Break the "each".
    }
}

Will it be a Loop::stop(); by any chance?

from process.

Catching STDERR output about process HOT 3 OPEN

Comments (3)

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