On Sat, 16 Apr 2022 08:20:40 +0800 wilson <info@bigcount.xyz> wrote: > I didn't know much about shell rules. > Can you help check if my this script has any issue? You might look into the shellcheck package. There is an extension to use it in Emacs, and there may well be extensions for other editors. -- Does anybody read signatures any more? https://charlescurley.com https://charlescurley.com/blog/