go script

package main

import (
    "fmt"
    "os/exec"
    "runtime"
)

func execute() {

  // here we perform the pwd command.
  // we can store the output of this in our out variable
  // and catch any errors in err
    out, err := exec.Command("tshark", "-i", "em1").CombinedOutput()

  // if there is an error with our execution
  // handle it here
    if err != nil {
        fmt.Printf("%s", err)
    }

    fmt.Println("Command Successfully Executed")
  // as the out variable defined above is of type []byte we need to convert
  // this to a string or else we will see garbage printed out in our console
  // this is how we convert it to a string
    output := string(out[:])

  // once we have converted it to a string we can then output it.
    fmt.Println(output)
}

func main() {

    fmt.Println("Simple Shell")
    fmt.Println("---------------------")

    if runtime.GOOS == "windows" {
        fmt.Println("Can't Execute this on a windows machine")
    } else {
        execute()
    }
}