Re: awk gensub documentation

[Valery Ushakov <uwe%stderr.spb.ru@localhost>]

On Wed, Jun 19, 2024 at 10:26:33 -0700, Alistair Crooks wrote:

> > I assume what it means to say is \<n> backreferences, not the 0xa NL
> > character, but I wanted to ask the audience.
> >
> 
> In src/external/historical/nawk/dist/run.c around line 2137, this is the
> definition of gensub(), which does the work
> 
> Cell *gensub(Node **a, int nnn) /* global selective substitute */
>         /* XXX incomplete - doesn't support backreferences \0 ... \9 */
> 
> and, as I should not be commenting with information derived purely from
> comments, I took a look and there's no code in gensub() that manipulates
> backrefs.

Thanks!


-uwe