[Toybox] Kernighan's awk repo

roytam at gmail.com roytam at gmail.com
Sun Aug 8 19:03:39 PDT 2021


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.

Does toybox's roadmap have any change about it since then?

> The problem was that the tests assumed '.' was in $PATH.  There were a
> few other things I fixed (see README).
>
> I cleaned up the commit history a little bit -- it should be readable.
>
> The README describes how to run it on Ubuntu -- let me know if it works for you.
>
> IMO the interesting thing here is not actually awk, but the LLVM
> sanitizers.  Here is one bug (there were others):
>
> https://github.com/andychu/bwk/blob/master/test-results/asan.log
>
> As mentioned, I think if you were building a minimal Unix system like
> Aboriginal, this code would probably suffice as is.  (Although I
> actually have no idea how close this is to POSIX awk.  As mentioned
> Android NDK does use a 2007 copy of this code rather than system awk.
> That could be good or bad.)
>
> I will reply to the rest of this message later, possibly starting some
> new threads... I think some info has gotten lost in these threads.
>
> Andy

Regards,
Roy


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