I know that story too well. Finally, I thought that if I have to code, I should just use a programming language. Now, I use nodeJS to replace every m4 file wit

I know that story too well. Finally, I thought that if I have to code, I should just use a programming language. Now, I use nodeJS to replace every m4 file with mustache.js and some JS logic and I don't feel limited anymore. The complexity doesn't increase much.