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Command Argument Example
Here is an example of using Emacs with arguments and options. It
assumes you have a Lisp program file called `hack-c.el' which, when
loaded, performs some useful operation on current buffer, expected to be
a C program.
emacs -batch foo.c -l hack-c -f save-buffer -kill > log
This says to visit `foo.c', load `hack-c.el' (which makes changes in
the visited file), save `foo.c' (note that `save-buffer' is the
function that `C-x C-s' is bound to), and then exit to the shell that
this command was done with. The initial option `-batch' guarantees
there will be no problem redirecting output to `log', because Emacs
will not assume that it has a display terminal to work with.
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