Run ping from go

ping.go

package main

import (
  "bufio"
  "os"
  "os/exec"
  "fmt"
  "log"
  "io"
)

func main() {
  cmd := exec.Command("bash","-c","ping -c 2 127.0.0.1")
  // cmd := exec.Command("bash","-c","'id'")
  // cmd := exec.Command("ping", "127.0.0.1")

  stdout, err := cmd.StdoutPipe()
  if err != nil {
    log.Fatal(err)
  }
  cmd.Start()

  buf := bufio.NewReader(stdout) // Notice that this is not in a loop
  num := 1
  for {
      line, err := buf.ReadString('\n')
      if err == io.EOF {
          break
      }
      if err != nil && err != io.EOF {
			fmt.Println(err)
            os.Exit(1)
		}
    // line, _, _ := buf.ReadLine()
    // if num > 300 {
    //   os.Exit(0)
    // }
    num += 1
    fmt.Println(string(line))
  }
}