func ExampleFork() {
var o []byte
var e error
var wait func() ([]byte, error)
if wait, e = exec.Fork(Script); e != nil {
fmt.Printf("%v\n", e)
} else {
fmt.Println("waiting")
if o, e = wait(); e != nil {
fmt.Printf("%v", e)
}
fmt.Print(string(o))
}
if wait, e = exec.Fork("asdf"); e != nil {
fmt.Printf("%v\n", e)
} else {
fmt.Println("waiting")
if o, e = wait(); e != nil {
fmt.Printf("%v", e)
}
fmt.Print(string(o))
}
// Output:
// waiting
// stdout: foo
// stderr: bar
// exec: "asdf": executable file not found in $PATH
}
func ExampleFork_Slow() {
var o []byte
var e error
var wait func() ([]byte, error)
if wait, e = exec.Fork(SlowScript); e != nil {
fmt.Printf("%v\n", e)
} else {
fmt.Println("waiting")
if o, e = wait(); e != nil {
fmt.Printf("%v", e)
}
fmt.Print(string(o))
}
// Output:
// waiting
// stdout: foo
// stderr: bar
}