Now the output from programs is collected and sent to STDOUT.

.ozai.json

@@ -3,7 +3,7 @@
     "tester1": {
       "Name": "tester",
       "Command": "tester",
-      "Args": ["-count", "2", "-id", "1"]
+      "Args": ["-count", "10", "-id", "1"]
     },
     "tester2": {
       "Name": "tester",

main.go

@@ -4,11 +4,23 @@ import (
   "fmt"
   "os/exec"
   "log"
+  "io"
+  "os"
   "errors"
   "sync"
   "lcthw.dev/learn-code-the-hard-way/ozai/config"
 )
 
+func LaunchLogger(in io.Reader, out io.Writer, err error) {
+  if err != nil { log.Fatal(err) }
+
+  go func() {
+    if _, err := io.Copy(out, in); err != nil {
+      log.Fatal(err)
+    }
+  }()
+}
+
 func main() {
   config.Load()
 
@@ -30,14 +42,15 @@ func main() {
           cmd.Err = nil
         }
 
-        out, err := cmd.CombinedOutput()
+        stderr, err := cmd.StderrPipe();
+        LaunchLogger(stderr, os.Stdout, err)
 
-        if err != nil {
+        stdout, err := cmd.StdoutPipe();
-          fmt.Printf("%s\n", out)
+        LaunchLogger(stdout, os.Stdout, err)
-          log.Fatal(err)
-        }
 
+        cmd.Run()
         fmt.Println("WAITING for", name)
+
         cmd.Wait()
         fmt.Println("PROC", name, "EXITED SEND QUIT")
       }

tools/cmd/tester/main.go

@@ -7,12 +7,14 @@ import (
 )
 
 func main() {
-
   count := flag.Int("count", 10, "Seconds to wait")
   id := flag.Int("id", 1, "Tester ID to use.")
+  flag.Parse()
+
+  fmt.Println(">>> TESTER STARTS, id=", *id, "count=", *count)
 
   for i := 0; i < *count; i++ {
     time.Sleep(1 * time.Second)
-    fmt.Println("TICK", *id)
+    fmt.Println("TESTER #", *id)
   }
 }