> The precise rules for function names are murky; mostly it seems like whatever Bash can parse unambiguously is allowed > What is this useful for? I think it

> The precise rules for function names are murky; mostly it seems like whatever Bash can parse unambiguously is allowed > What is this useful for? I think it makes sense because bash function invocation is the same as calling an external program which name is only restricted by what is allowed as a file-path.