Save & load file

Blake McBride blake at
Wed Jul 15 10:59:28 UTC 2015

Most often I edit several functions within a particular lisp file in order
to add a feature or fix a bug.  I would then like to save and load the
whole file in order to test it.

I don't like to pass each function to lisp when I am done editing it
 (^X^E) because I often bounce back and forth between several functions
while programming.  When I am ready to test, it is too burdensome for me to
remember which functions I passed to lisp, which I have not, and which were
passed to lisp _after_ my last edit of it.  Re-loading the whole file when
I am done is perfect.

I don't like to be forced to re-compile it in order to load it for the
following reasons:

1.  Some lisp's take longer to compile/load than to just load

2.  Compiling often creates a bunch of junk files that I don't want to see
when developing

3.  (I imagine) some lisp's can provide better debugging information on
interpreted code rather than compiled code

4.  When developing, the run-time speed of the particular module I am
working on almost never matters.  If other parts need to be fast, I can
compile those.  (Of course I would compile the whole thing for production

I appreciate this dialog because my development process makes a lot of
sense to me.  But I recognize that, out of ignorance, I may not be doing
the best thing.  If I am right, clearly slime needs a key bound to a
slime-save-and-load function as described below.  If I am wrong, I just
need to understand it, and learn to use the correct procedure.


Blake McBride

On Wed, Jul 15, 2015 at 12:49 AM, Jeff Cunningham <jeffrey at>

> On 07/14/2015 06:15 PM, Blake McBride wrote:
> I had to take the "P" argument out, and then everything worked perfectly.
> Thanks!!
>  (I am using GNU Emacs 24.3.1)
>  I am surprised this sequence isn't a pre-configured feature of standard
> slime with a keyboard shortcut.  It is my most used sequence.
>  Thanks!
>  Blake
> On Tue, Jul 14, 2015 at 6:17 PM, edgar <edgar-rft at> wrote:
>> Am Tue, 14 Jul 2015 16:58:31 -0500
>> schrieb Blake McBride <blake at>:
>> > Greetings,
>> >
>> > Long-time lisp user, short time slime user here.  There is something
>> > I like to do frequently but seems to be a real hassle with slime.
>> > I'm sure either there is a command to do what I want, or it is easy
>> > for me to write one.  I thought rather than going doen an ignorant
>> > path, I'd ask the list.  Sure appreciate any help.
>> >
>> > What I would like is a keyboard command that would:
>> >
>> > 1.  save the current file being edited
>> >
>> > 2.  load (not compile) that file without asking it's name
>> A basic Emacs function doing both could look like this:
>> (defun slime-save-and-load-file ()
>>   (interactive "P")
>>   (let ((filename (buffer-file-name)))
>>     (if (not filename)
>>         (message "Buffer %s is not associated with a file."
>>                  (buffer-name))
>>       (save-buffer)
>>       (slime-load-file filename))))
>> - edgar
> Just out of curiosity, why do you do this all the time? What's the
> scenario?
> --Jeff
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