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I'd like to pass some extra information to my init.el via command line arguments. However, the variable command-line-args-left is always nil when Emacs is run interactively. (Though it is correctly populated when run with the --script option).
How can I get a list of command line arguments when Emacs is run normally?
Arguments are deleted after being processed at startup, you can either handle them like sds specified or if you'd like the list of args given after start up, save the contents of command-line-args at the start of your init.
(setq my-save-args command-line-args)
Though if you're planning on passing custom args, you'll need to handle them during startup.
You can probably also get them from the ps command.
(shell-command-to-string (format "ps -o args -p %s" (emacs-pid)))
should return the full command emacs was run with if you have ps.
command-line-args does exists at startup time.
Jan 17, 2015 at 0:24
The command line options are processed in startup.el.
You need to add your handlers to command-line-functions to handle the additional options.
