first go code

go.mod

@@ -0,0 +1,3 @@
+module reaction
+
+go 1.19

main.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"log"
+	"os/exec"
+)
+
+type Action struct {
+	regex, cmd []string
+}
+
+type Stream struct {
+	cmd     []string
+	actions []Action
+}
+
+func streamHandle(stream Stream, execQueue chan string) {
+	log.Printf("streamHandle{%v}: start\n", stream.cmd)
+	cmd := exec.Command(stream.cmd...)
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		log.Fatal("couldn't open stdout on command:", err)
+	}
+	if err := cmd.Start(); err != nil {
+		log.Fatal("couldn't start command:", err)
+	}
+	defer stdout.Close()
+	scanner := bufio.NewScanner(stdout)
+	for scanner.Scan() {
+		line := scanner.Text()
+		// try to match and send to execQueue if matching
+	}
+}
+
+func execQueue() chan string {
+	queue := make(chan string)
+	go func() {
+		for {
+			command := <-queue
+			return_code := run(command)
+			if return_code != 0 {
+				log.Printf("Error launching `%v`\n", command)
+			}
+		}
+	}()
+	return queue
+}
+
+func main() {
+	mockstreams := []Stream{Stream{
+		[]string{"tail", "-f", "/home/ao/DOWN"},
+		[]Action{Action{
+			"prout.dev",
+			[]string{"echo", "DAMN"},
+		}},
+	}}
+	streams := mockstreams
+	log.Println(streams)
+	queue := execQueue()
+	stop := make(chan bool)
+	for _, stream := range streams {
+		go streamHandle(stream, queue)
+	}
+}