You could also try appending separate commands with double ampersands as with 
any shell:

command 1 && command 2 && command 3

This should execute each sequentially, as long as the exit codes are successful 
and no command runs in a loop.

enohp ym morf tnes
-----------
Dan Wilcox
danomatika.com
robotcowboy.com


> On Feb 22, 2026, at 2:27 AM, Simon Iten <[email protected]> wrote:
> 
> Thanks for the hints. In the meanwhile I „solved“ the issue by simply 
> creating enough shell objects to run my commands separately :) this works 
> very well for my application as well. Will checkout [command], thanks.
> 
> 
> 
>> Am 22.02.2026 um 02:20 schrieb Roman Haefeli <[email protected]>:
>> 
>>> On Sun, 2026-02-22 at 01:18 +0100, Simon Iten wrote:
>>> 
>>> However if I send multiple pinctrl commands in a short timespan some
>>> are dropped.
>> 
>> Yeah, [shell] can only execute one command at the time. When [shell] is
>> still busy with the last command, it'll simply ignore the current call.
>> 
>> Anyway, you may want to try [command] which is a fork of [shell] with
>> more features. [command] outputs the exit code when the execution of
>> the command has completed. However, you still need to buffer your calls
>> so that they are executed one after another. You'll find [command] in
>> Deken.
>> 
>>> Also, running pinctrl set 5.6.13 op dl for example does not work (it
>>> should pull low those three outputs at once and works in the terminal
>>> just fine) But PD also automagically adds spaces after the commas
>>> once the message box is not edited anymore.
>> 
>> That's not a [shell] specific issue, but is how Pd parses messages in
>> general. A comma in message box is actually a delimiter for messages.
>> By using unescaped commas you actually create multiple messages
>> 'pinctrl set 5', '6', and '13 op dl'.
>> 
>> 'exec pinctrl set 5\,6\,13 op dl' seems to work with [command]
>> 
>>> 
>>> Are these known limitations of shell or is there a workaround to run
>>> multiple commands at once? Adding & or ; to the end of the message
>>> sent to shell does not work...
>> 
>> I don't know about &, but ';' is also a Pd delimiter for sending
>> messages.
>> 
>> Roman
>> 
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