transformed to for-loop

	defer close(checkStream)

	var wg sync.WaitGroup

	wg.Add(2)

	go func() {

		defer wg.Done()

		process(

			stdout,

			startedOutStream,

			matchOutStream,

			stringStream,

			terminateOutStream, terminatedOutStream)

	}()

	go func() {

	for _, pa := range []struct {

		in               io.Reader

		startedStream    chan<- bool

		matchStream      <-chan Match

		stringStream     chan<- string

		terminateStream  <-chan bool

		terminatedStream chan<- bool

	}{

		{stdout, startedOutStream, matchOutStream, stringStream, terminateOutStream, terminatedOutStream},

		{stderr, startedErrStream, matchErrStream, stringStream, terminateErrStream, terminatedErrStream},

	} {

		wg.Add(1)

		go func(

			in io.Reader,

			startedStream chan<- bool,

			matchStream <-chan Match,

			stringStream chan<- string,

			terminateStream <-chan bool,

			terminatedStream chan<- bool,

		) {

			defer wg.Done()

		process(

			stderr,

			startedErrStream,

			matchErrStream,

			stringStream,

			terminateErrStream, terminatedErrStream)

	}()

			process(in, startedStream, matchStream, stringStream, terminateStream, terminatedStream)

		}(pa.in, pa.startedStream, pa.matchStream, pa.stringStream, pa.terminateStream, pa.terminatedStream)

	}

	<-startedOutStream

	<-startedErrStream