Ah, I see there's: https://just.systems/man/en/shebang-recipes.html https://just.systems/man/en/shebang-recipes.html Which could be done in shell, but typical

Ah, I see there's: https://just.systems/man/en/shebang-recipes.html https://just.systems/man/en/shebang-recipes.html Which could be done in shell, but typically rather be limited to oneliners (invoking awk) rather than piping a heredoc to an interpreter.