[Toybox] Kernighan's awk repo

[roytam at gmail.com]

enh <enh at google.com> wrote:
>
> /me wonders whether the MIT relicensing of Plan 9 means there's now an MIT licensed descendant/sibling of one true awk?

But their awk source code headings have not changed since 2013.
https://github.com/0intro/plan9/commits/master/sys/src/cmd/awk

>
> On Mon, Aug 9, 2021 at 2:30 AM Rob Landley <rob at landley.net> wrote:
>>
>> On 8/8/21 9:03 PM, roytam at gmail.com wrote:
>> > Hello,
>> >
>> > Andy Chu <andychup at gmail.com> wrote:
>> >>
>> >> On Mon, Jul 18, 2016 at 12:17 PM, Rob Landley <rob at landley.net> wrote:
>> >> > Let's see... https://www.cs.princeton.edu/~bwk/btl.mirror/awktest.a is
>> >> > an ar archive, ar x awktest.a gives  a directory full of files,
>> >> > README.TESTS says REGRESS controls the testing process, running that does...
>> >> >
>> >> >   $ sh ./REGRESS
>> >> >   Linux driftwood 4.2.0-38-generic #45~14.04.1-Ubuntu SMP Thu Jun 9
>> >> >    09:27:51 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
>> >> >   echo compiled
>> >> >   oldawk=awk, awk=../a.out
>> >> >   ./REGRESS: 11: ./REGRESS: Compare.t: not found
>> >> >   167 tests
>> >> >
>> >> >   ./REGRESS: 14: ./REGRESS: Compare.p: not found
>> >> >   58 tests
>> >> >
>> >> >   ./REGRESS: 17: ./REGRESS: Compare.T: not found
>> >> >   252 tests
>> >> >
>> >> >   ./REGRESS: 20: ./REGRESS: Compare.tt: not found
>> >> >   21 tests
>> >> >
>> >> > Right, maybe I'll dig into this later but it's not obvious to me how to
>> >> > get it to work.
>> >>
>> >> OK, I published the work I did here: https://github.com/andychu/bwk
>> >
>> > Maybe this is old news but I think it is still good to say here.
>> > One True awk has its own repo now.
>> > https://github.com/onetrueawk/awk
>> >
>> > And it seems that Android P included it as well.
>>
>> I know. Under yet another bespoke public domain adjacent "drag around this blob
>> of text verbatim" license:
>>
>>   https://github.com/onetrueawk/awk/blob/master/LICENSE
>>
>> Which means I can't incorporate it as-is into a public domain equivalently
>> licensed toybox without changing the project's license.
>>
>> > Does toybox's roadmap have any change about it since then?
>>
>> If I'm going to get a system to rebuild itself under itself from source in 4
>> packages, which is then capable of bootstrapping to arbitrarily complexity
>> natively under the result by building more packages that have existing build
>> systems, then awk has to be in one of those packages.
>>
>> Awk is in posix:
>>
>>   https://pubs.opengroup.org/onlinepubs/9699919799/utilities/awk.html
>>
>> And the last version of busybox I released (1.2.1, circa 2007) had a ~2800 line
>> awk implementation, so it shouldn't be too hard to get something feasible in
>> toybox (probably under 1000 lines? Dunno.)
>>
>> The main issue is I don't use awk much, so need to learn it to write one. (But
>> the posix spec is probably mostly good enough? Then testing all the LFS package
>> builds, and waiting for complaints...)
>>
>> Rob
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