Kbd
kerf1
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Kbd
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Dyalog APL Keyboard Layouts
Should you wish to type them on a normal keyboard:
https://abrudz.github.io/lb/apl has a browser bookmarklet which adds an APL language bar to the top of any web page so you can type in any input box with backtick prefixes.
https://github.com/abrudz/Kbd has a Windows Input Method Editor (IME) that adds system-wide RightAlt+letter combos.
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Ngn/k (free K implementation)
This might have been true a couple of years ago but it is totally untrue now.
I'm not sure why you couldn't use the student version of Dyalog? Sounds like it would have been fine. There are also many more FOSS implementations of array languages now, such as ngn/k and April. https://github.com/phantomics/april
'only available for Linux' - not true https://github.com/abrudz/Kbd/ and others (also different input modes like `w for ⍵)
'no community support' - on the contrary there is a big and helpful APL community https://aplwiki.com/wiki/Chat_rooms_and_forums that is (imo) more useful than stackoverflow
'Dynamic scoping...' - Dyalog's (and other APL's) dfns have lexical scope.
'The language is extremely terse' - is this meant to be a bad thing?
'The code tends to be very hacky' - maybe if you write bad code or try and write C in APL (it won't work)
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Use TAB entry style in Dyalog for Mac?
I don't think so, but maybe - you're actually the first person I've ever seen express that they actually use and prefer the tab input. I'll let https://github.com/abrudz/ know. I need to check but I wonder if that's what the compositions keyboard in https://github.com/abrudz/Kbd is - if not he'll probably be able to make it happen
So Adam says the compositions keyboard is similar but slightly different. While the tab input goes Component1,Component2,Tab the CompUS keyboard from abrudz/Kbd goes AltGr+Component1,Component2. It has not been well tested so please report any issues here: https://github.com/abrudz/Kbd/issues
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Learning APL
In general programming I like to use a keyboard layout which allows typing APL glyphs with Right Alt: https://github.com/abrudz/Kbd
kerf1
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Hacker News top posts: Jul 23, 2022
Kerf Time Series Lang and Columnar DB Open Sourced\ (7 comments)
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Kerf Time Series Lang and Columnar DB Open Sourced
The issue with the discussion about the license change: https://github.com/kevinlawler/kerf1/issues/10
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Ngn/k (free K implementation)
The author of Kona has written kerf which I believe is intended for this same space. I’ve never used it though. https://github.com/kevinlawler/kerf1
What are some alternatives?
BQN - An APL-like programming language. Self-hosted!
kalamine - Keyboard Layout Maker
pdp11.jl - PDP-11 Simulator written in Julia
dyalog-apl-extended - Dyalog APL Extended
ok - An open-source interpreter for the K5 programming language.
kona - Open-source implementation of the K programming language
aoc2017 - ngn/k
PDP_11_Simulator - PDP11 Simulator written in APL
bqn-libs - Informal collection of BQN utilities
keyboards - My Keyboard Configurations (QMK and ZMK)
array - Simple array language written in kotlin
kdb - kdb+ Working Group from FINOS Data Technologies program