Re: SV: feature request: only set RT when RS is found

[arnold]

No problem. :-)  Take care.

Ole Petter R?nningen <ole@synkro.no> wrote:

> Indeed you are correct. It is simply an embarrassing error on my part - I 
> *thought* I had verified it with a test program, on closer inspection the 
> blunder is all mine. My sincerest apologies.
>
> Ole 
>
> -----Opprinnelig melding-----
> Fra: arnold@skeeve.com <arnold@skeeve.com> 
> Sendt: fredag 17. september 2021 09:47
> Til: ole@synkro.no; bug-gawk@gnu.org
> Emne: Re: feature request: only set RT when RS is found
>
> Hi. Thanks for the note.
>
> As Ed pointed out, RT is always set, no matter what the value of RS is.
> It is set to empty when no matching record separator is found, again, 
> irrespective of the value of RS.
>
> If you have a test program and data that can prove otherwise, please submit 
> them here.
>
> Thanks!
>
> Arnold
>
> Ole Petter R?nningen <ole@synkro.no> wrote:
>
> > Hi
> >
> > I am sure this has been discussed many times, yet my google-fu has 
> > failed to come up with some rationale.
> > 
> > As you know, gawk sets the variable RT to whatever matches RS, if RS 
> > is a regex. If EOF is reached mid-line and RS is therefore not 
> > matched, the record is terminated but RT is NOT set. This is a good 
> > way to detect possible "partial lines", for example when processing 
> > through a live log-file.
> > 
> > My proposal is that this behaviour is extended to include the case 
> > when RS is a single character such as '\n'. If RS is not found, it 
> > should IMHO not be signalled as found by setting RT.
> >
> > Thank you,
> > Ole