I’ve got a long (possibly infinite) loop. For illustration: function dosomething() for i=1:100 println("doing something $i") sleep(1) end end dosomething() Suppose I want to quit the loop early, by pressing ‘q’ on the keyboard (just ‘q’, no RET). The program is running in …

What objects to Ctrl+c (^C) ? julia> function dosomething() for i=1:100 println("doing something $i") sleep(1) end end dosomething (generic function with 1 method) julia> dosomething() doing something 1 ^CERROR: InterruptException: Stacktr…

[image] roflmaostc: What objects to Ctrl+c Ctrl-C is nice. But ‘q’ is what I was looking for.

if readline() =="q" break end might work but will probably require pressing enter.

But that wouldn’t interrupt a very lengthy computation, right? What @Dan apparently wants, is an interrupt but with q instead of Strg+c.

[image] Zentrik: some similar questions here… These similar questions seem more to the point. I’ll try them and post an answer if my attempts are sufficiently successful. UPDATE: Unfortunately, both answers don’t seem to work for me: Keyboard input monitoring… uses terminal without definit…

The second link (“How to detect key down events”) works for me on Linux with 1.9.3. Do you get an error or just no response? I see this, I pressed ‘w’ and then ‘q’: julia> includet("keypress.jl") julia> main() Doing some long calculation Doing some long calculation Doing some long calculation w i…

It works for me now too. Perhaps my session was wonky from previous attempts. I see the same output as you do.

This is basically not possible for security reasons (on at least macOS), but you can do it sort of, still, at least as root/superuser. This has historically been possible on all platforms, but unlike reading from the keyboard, waiting until pressing enter, which is possible (through use of C librar…

[image] Palli: The process must run as root This is too obtrusive for my taste. If the other solution wasn’t working, maybe I would have forged with this one, or given up on this UX. But the other solutions seems to be sufficient.

[image] Zentrik: if readline() =="q" break end might work but will probably require pressing enter. Yes, readline requires pressing ENTER. I see the linked answer from the marked solution post using the built-into-Julia REPL.TerminalMenus.terminal doesn’t. It’s great that this is possible, an…

Quitting a loop by pressing 'q'

General Usage

Zentrik September 19, 2023, 3:59pm 6

You could run it as a async task, some similar questions here Keyboard input monitoring - #6 by cjdoris, How to Detect Key Down Events? - #2 by albheim

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Quitting a loop by pressing 'q'

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