[emacs-berlin] `server-eval-at' turns out to be pretty useful...

[Grant Rettke]

The one thing I really wanted is to get the result without double-quotes.

I have to figure that out.

On Fri, Apr 2, 2021 at 5:49 PM Grant Rettke <grant at wisdomandwonder.com>
wrote:

> ---
> /Applications/Emacs.app/Contents/MacOS/bin/emacsclient
> --socket-name="/Users/gcr/server-sockets/emacs.sock" --eval 'emacs-version'
> OK...
>
> "26.3"
> ---
>
> Oh gosh.
>
> ---
> /usr/bin/emacsclient --version
> OK...
>
> emacsclient 22.1
> ---
>
> Lol.
>
> ---
> ✔ gsmac:~> ll /usr/local/bin/emacs
> OK...
>
> lrwxr-xr-x 1 gcr admin gcr 44 2019-11-22 21:24 "/usr/local/bin/emacs" ->
> "/Applications/Emacs.app/Contents/MacOS/Emacs"*
> ✔ gsmac:~> which emacsclient
> OK...
>
> /usr/bin/emacsclient
> ✔ gsmac:~> ll /usr/bin/emacsclient
> OK...
>
> -rwxr-xr-x 1 root wheel root 33k 2020-09-10 22:16 "/usr/bin/emacsclient"*
> ✔ gsmac:~>
> ---
>
> The problem: I forgot to link to the newer emacsclient.
>
> Thank you Til.
>
> On Fri, Apr 2, 2021 at 3:47 PM Grant Rettke <grant at wisdomandwonder.com>
> wrote:
>
>> Here is how it works for me:
>>
>> ✔ gsmac:~/src/be2 [main|✚ 2]> emacsclient
>> --socket-name="/Users/gcr/server-sockets/emacs.sock" --eval 'emacs-version'
>> OK...
>>
>> -emacs-pid 9230
>> -print "26.3"
>> ✔ gsmac:~/src/be2 [main|✚ 2]> emacs --batch --eval "(progn (require
>> 'server) (princ (server-eval-at \"/Users/gcr/server-sockets/emacs.sock\"
>> 'emacs-version)))"
>> OK...
>>
>> 26.3
>> ✔ gsmac:~/src/be2 [main|✚ 2]>
>>
>> I just want the value 26.3 not the -emacs-pid and -print stuff.
>>
>> I can't wait to try this on v27.
>>
>> On Fri, Apr 2, 2021 at 3:24 PM Grant Rettke <grant at wisdomandwonder.com>
>> wrote:
>>
>>> Forgot to share this is what it does on my machine:
>>>
>>> ---
>>> emacsclient --socket-name="/Users/gcr/server-sockets/emacs.sock" --eval
>>> "(+ 1 1)"
>>> OK...
>>>
>>> -emacs-pid 9230
>>> -print 2
>>> ---
>>> emacsclient --socket-name="/Users/gcr/server-sockets/emacs.sock" --eval
>>> "emacs-version"
>>> OK...
>>>
>>> -emacs-pid 9230
>>> -print "26.3"
>>> ---
>>> emacsclient --socket-name="/Users/gcr/server-sockets/emacs.sock" --eval
>>> '(with-current-buffer "*scratch*" (insert "Hello scratch buffer"))'
>>> OK...
>>>
>>> -emacs-pid 9230
>>> -print nil
>>> ---
>>>
>>> Want to bet that it is because I'm on Emacs 26?
>>>
>>> On Fri, Apr 2, 2021 at 2:37 PM Grant Rettke <grant at wisdomandwonder.com>
>>> wrote:
>>>
>>>> My computer is trying to drive insane. That is what is happening here.
>>>> And it is working.
>>>>
>>>> It has to be working wrong on my machine.
>>>>
>>>> Thanks for sharing that Til.
>>>>
>>>> On Fri, Apr 2, 2021 at 7:09 AM Tilmann Singer <tils at tils.net> wrote:
>>>>
>>>>> I might be missing something obvious, but what exactly is it that
>>>>> emacsclient can not do? With a running Emacs instance in which
>>>>> (server-start) has been called before, the following commands on a
>>>>> terminal with the bash shell work out of the box for me:
>>>>>
>>>>> $ emacsclient -e "(+ 1 1)"
>>>>> 2
>>>>>
>>>>> $ printf "How many is binary? $(emacsclient -e '(+ 1 1)')\n"
>>>>> How many is binary? 2
>>>>>
>>>>> $ emacsclient -e 'emacs-version'
>>>>> "27.2"
>>>>>
>>>>> $ emacsclient -e '(with-current-buffer "*scratch*" (insert "Hello
>>>>> scratch buffer"))'
>>>>> nil
>>>>> => Text was inserted into buffer *scratch*
>>>>>
>>>>>
>>>>> At least on this (arch) linux machine, the default server-socket-dir of
>>>>> "/run/user/1000/emacs" seems to be working fine.
>>>>>
>>>>>
>>>>> Til
>>>>>
>>>>
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