Improve script checking
Current bash/sh checking does not seem to capture many errors, e.g. https://git.code.tecnalia.com/tecnalia_robotics/avanwinglet/avanwinglet_cad_programming/-/commit/de49a6e6c0fc145b9470d7f604481033b9b9b3df
Current bash/sh checking does not seem to capture many errors, e.g. https://git.code.tecnalia.com/tecnalia_robotics/avanwinglet/avanwinglet_cad_programming/-/commit/de49a6e6c0fc145b9470d7f604481033b9b9b3df