Challenge: who can background this shell command?

Matthias Rebbe matthias_livecode_150811 at m-r-d.de
Thu Aug 1 08:39:39 EDT 2019


This let me run it without blocking. It redirects the stdout and stderr if i recall it correct.

"vi > /dev/null 2>&1 &"



Matthias Rebbe

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> Am 01.08.2019 um 13:55 schrieb David Bovill via use-livecode <use-livecode at lists.runrev.com <mailto:use-livecode at lists.runrev.com>>:
> 
> The challenge is to figure out a technique we can use in Livecode to be
> able to call long running shell processes (typically something like an http
> server process) without blocking Livecode.
> 
> To test this without asking anyone to install some cli I thought we could
> try it with an existing long running process that everyone should have in
> their terminal - vi
> 
> So how do you:
> 
> *put* shell ("vi")
> 
> I've tested this and it does not crash here on latest OSX. You do have to
> type command-period a few times to unblock things - but it is more or less
> safe to try in the message box.
> 
> I've also tried:
> 
> *put* shell ("vi &")
> 
> The aim is to out the process in the background, or some other technique -
> like make a bash script that contains the line that launches vi (ie "vi") -
> or perhaps uses screen or tmux, or some trick in Livecode (open process
> does not work for this on OSX)...
> 
> Who can crack this tricky nut :)
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