The downside of that approach is that it only works because shells try to interpret files if a simple execve(2) fails with ENOEXEC. If you wanted to use your fa

The downside of that approach is that it only works because shells try to interpret files if a simple execve(2) fails with ENOEXEC. If you wanted to use your fancy .go script with a program that just does execve(2) you'd be in trouble.