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31 lines
472 B

package main
import (
"os"
"os/exec"
"github.com/01-edu/z01"
)
var name = "student"
func test(newName string) {
if err := os.Rename(name, newName); err != nil {
z01.Fatalln(err)
}
b, err := exec.Command("./" + name).CombinedOutput()
if err != nil {
z01.Fatalln(b)
}
if string(b) != name+"\n" {
z01.Fatalln("Failed to print the program name")
}
name = newName
}
func main() {
test("student")
test("choumi")
test("🤦🏻")
test("€")
}