// ## Exec'ing Processes

package main

import "syscall"
import "os"
import "os/exec"

func main() {
    binary, lookErr := exec.LookPath("ls")
    if lookErr != nil {
        panic(lookErr)
    }
    execErr := syscall.Exec(binary, []string{"-a", "-l", "-h"}, os.Environ())
    if execErr != nil {
        panic(execErr)
    }
}

// todo: note lack of fork