exec shell path from nushell/nu for emacs

exec-path-from-nu.el

(defun set-exec-path-from-nu () 
    (interactive) 
    (let ((path-from-shell (shell-command-to-string
                            "~/.cargo/bin/nu -i -l -c\
                            \"source ~/.config/env.nu; \
                            echo $env.PATH | str join :\"")))
      (setenv "PATH" path-from-shell) 
      (setq exec-path (split-string path-from-shell ":"))))