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

[Grant Rettke]

Oh this is why:

https://emacs.stackexchange.com/questions/9391/why-is-emacsclient-inserting-quotes-around-output-strings

On Sat, Apr 3, 2021 at 12:14 AM Grant Rettke <grant at wisdomandwonder.com>
wrote:

> For example
>
> Using emacsclient
> ✔ gsmac:~/src/be2 [main|✚ 1]> ./be2 "(corporate-bs-generator-make)"
> OK...
> "completely scale customized catalysts for change"
>
> Using server-eval-at
> ✔ gsmac:~/src/be2 [main|✚ 1]> ./be2 "(corporate-bs-generator-make)"
> OK...
> appropriately reconceptualize professional relationships
>
> On Sat, Apr 3, 2021 at 12:08 AM Grant Rettke <grant at wisdomandwonder.com>
> wrote:
>
>> In the code I set up, instead of returning the value as it is displayed
>> for a human to read, the output from `princ' to STDOUT is captured and
>> returned as the value.
>>
>> This seems to be the one thing I can't figure how to do with emacsclient..
>>
>> The reason I need this is that in other programs I don't want to manage
>> return values like "Hello world" should be two words instead of one word
>> wrapped in double quotes.
>>
>>
>>
>> On Sat, Apr 3, 2021 at 12:03 AM Grant Rettke <grant at wisdomandwonder.com>
>> wrote:
>>
>>> 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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