Re: [Gretl-users] printf behaviour and strings

[artur tarassow]

Hi Allin,
it works now.I did not get any wrong reaction for the moment. Thank your
for fixing/implementing this.

Cheers,
Artur

2012/12/1 Allin Cottrell <cottrell(a)wfu.edu>

> On Sat, 1 Dec 2012, Allin Cottrell wrote:
>
> > On Sat, 1 Dec 2012, artur tarassow wrote:
> >
> >> I observed the following behaviour using current cvs on windows:
> >>
> >> string foo = "cpi"
> >> matrix m1_cpi = I(2)
> >> printf "%.3f\n", m1_(a)foo
> >>
> >> results in the message "The symbol 'm1_' is undefined". Is this
> intended or
> >> a bug?
> >
> > Well, up till now our policy has been that in the context of
> > printf and sprintf, we do @-string substitution only in the
> > format portion of the command line, and not in the arguments
> > portion. I think there was a reason for that, but I can't
> > reconstruct it right now. Perhaps we're being too
> > restrictive; I need to think about it a bit more.
>
> Having thought about this, it seems to me it would be more
> consistent to do @-substitution in the arguments to printf and
> sprintf. This is now in CVS and snapshots. Please report any
> undesirable side effects!
>
> Allin Cottrell
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> Gretl-users(a)lists.wfu.edu
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>

Hi Allin,
it works now.I did not get any wrong reaction for the moment. Thank your for fixing/implementing this.

Cheers,
Artur

2012/12/1 Allin Cottrell <cottr...@wfu.edu>

On Sat, 1 Dec 2012, Allin Cottrell wrote:

> On Sat, 1 Dec 2012, artur tarassow wrote:
>
>> I observed the following behaviour using current cvs on windows:
>>
>> string foo = "cpi"
>> matrix m1_cpi = I(2)
>> printf "%.3f\n", m1_@foo
>>
>> results in the message "The symbol 'm1_' is undefined". Is this intended or
>> a bug?
>
> Well, up till now our policy has been that in the context of
> printf and sprintf, we do @-string substitution only in the
> format portion of the command line, and not in the arguments
> portion. I think there was a reason for that, but I can't
> reconstruct it right now. Perhaps we're being too
> restrictive; I need to think about it a bit more.

Having thought about this, it seems to me it would be more
consistent to do @-substitution in the arguments to printf and
sprintf. This is now in CVS and snapshots. Please report any
undesirable side effects!

Allin Cottrell
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