2013-03: adding an old learning lunch

2013/03-golang-learning-lunch/6-inheritance/main.go

@@ -0,0 +1,40 @@
+
+package main
+
+import (
+  "log"
+  "os"
+  "os/exec"
+  "time"
+)
+
+type Job struct {
+  Command string
+  *log.Logger
+}
+
+func NewJob(cmd string) *Job {
+  return &Job{ cmd, log.New(os.Stderr, "[Job] ", log.Ldate)}
+}
+
+func (j *Job) Run() ([]byte, error) {
+  j.Printf("Running [%s] ...", j.Command)
+  out, err := exec.Command(j.Command).Output()
+  if (err != nil) {
+    j.Fatal(err)
+    return nil, err
+  }
+  j.Printf("Command returned [%s]", out)
+  return out, nil
+}
+
+func main() {
+  job := NewJob("uptime")
+  job.Run()
+
+  for i := 0; i < 10; i++ {
+    job.Run()
+    time.Sleep(1 * time.Second)
+  }
+}
+