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Re: [bug-gawk] Access variables not conforming to the variable naming co
From: |
arnold |
Subject: |
Re: [bug-gawk] Access variables not conforming to the variable naming convention? |
Date: |
Mon, 03 Dec 2018 09:12:20 -0700 |
User-agent: |
Heirloom mailx 12.5 7/5/10 |
"Andrew J. Schorr" <address@hidden> wrote:
> > > Are you disabling that ability to create the variable by poking it into
> > > SYMTAB
> >
> > **** THERE IS NO SUCH CAPABILITY ****. The fact that you reference 'age'
> > in the program is what puts it into SYMTAB.
>
> Ah, OK, thanks for clarifying.
>
> > Your program creates unrelated (non-variable) elements in SYMTAB "name"
> > and "weight" that are no different from any other array elements.
>
> But with your proposed patch, this program will give a fatal error,
> won't it?
Yes. I think that's an improvement, because people are also
confused by
SYMTAB["a var"] = 42
> > It is exactly this confusion that I'm trying to avoid.
>
> I guess there's a question as to whether this is progress or just breaks
> sloppy code.
Let's break sloppy code!
> As I said, I don't like this paradigm because it stomps
> on the variable namespace, but I suppose others may be using it...
How does it stomp on the variable namespace? It merely misuses
SYMTAB. It's not any different than
NR == 1 {
for (i = 1; i <= NF; i++)
PROCINFO[$i] = 0
}
You can certainly do that, but it's not what PROCINFO was meant for.
In any case, the code is already in master. It'll take a very convincing
argument to get me to undo it; I had misgvings when I first implemented
SYMTAB about doing it the way I did; expreience has shown that those misgivings
were real.
Thanks,
Arnold
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, Denis Shirokov, 2018/12/02
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, Peng Yu, 2018/12/02
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, arnold, 2018/12/02
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, Wolfgang Laun, 2018/12/02
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, Peng Yu, 2018/12/02
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, arnold, 2018/12/03
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, Andrew J. Schorr, 2018/12/03
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, arnold, 2018/12/03
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, Andrew J. Schorr, 2018/12/03
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?,
arnold <=
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, Andrew J. Schorr, 2018/12/03
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, arnold, 2018/12/03
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, Joep van Delft, 2018/12/03
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, arnold, 2018/12/04
- Re: [bug-gawk] Access variables not conforming to the variable naming convention?, Denis Shirokov, 2018/12/02