command wrapper

making transcoder

transcoder/command.go

@@ -0,0 +1,29 @@
+package transcoder
+
+import (
+	"fmt"
+	"log"
+	"os/exec"
+)
+
+type Worker struct {
+	Command string
+	Args    string
+	Output  chan string
+}
+
+func (cmd *Worker) Run() {
+	out, err := exec.Command(cmd.Command, cmd.Args).Output()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	cmd.Output <- string(out)
+}
+
+func Collect(c chan string) {
+	for {
+		msg := <-c
+		fmt.Printf("The command result is %s\n", msg)
+	}
+}