`timeout` is not defined by POSIX

[Lucas Larson]

• it’s faster and safer to grep $program than to run the new executable¹
• timeout is not a POSIX-specified utility² or special built‑in³

---

1. HQ9/bootstrap.sh

   Lines 49 to 53 in 03585e6

    if timeout 3 "./${program}" 2>&1 | grep -q "${author}"; then 
      printf '%s  %s interpreter bootstrapping succeeded.\n\n' "✅" "${program}" 
      printf 'Activate it by entering: ./%s\n' "${program}" 
      printf 'then press return.\n\n\n' 
    fi 

2. POSIX utilities
3. POSIX special built-in utilities