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"exec" in Emacs lisp?

In an Emacs lisp script, I would like the script to start a new process and replace itself with the running process, in the same way it can be achieved with "exec" in Bash or Perl.

To clarify a usage example, I am writing a command shell in Elisp (using emacs --script

) and would like to run the wrapped command as is in some cases.

Is it really possible?

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No. emacs is not a "shell" or true scripting interpreter.



Perhaps you can do your problem inside out, albeit having a shell script that either executes emacs or some other command, and perhaps this solution can be accomplished with some elisp code in the original emacs instance.

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