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Re: st: RE: RE: -outreg2- in Stata 10


From   "Ben Jann" <ben.jann@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: RE: -outreg2- in Stata 10
Date   Thu, 2 Aug 2007 13:04:49 +0200

I think Richard's fear was that possibly subroutines do not inherit
the version from the main routine and therefore need their own version
statement. I just wanted to demonstrate that this fear is unjustified.
But maybe I misunderstood...
ben

On 8/2/07, Nick Cox <n.j.cox@durham.ac.uk> wrote:
> I don't understand what extra point Ben is making here.
>
> When one program working under version 10 calls another
> without a -version- statement, then that other is working
> under 10, and -index()- isn't recognised.
>
> This is the point with which the thread started.
>
> Nick
> n.j.cox@durham.ac.uk
>
> Ben Jann
>
> > Richard writes:
> > > If every little subroutine needs its own version command, the docs
> > > should be clear on that.  But if I recall correctly, the advice has
> > > always been to put version at the top of the main program.
> > I suppose
> > > putting version commands in the subroutines may be a good idea if,
> > > say, part of the code is being updated for Stata 10 but you don't
> > > want to bother making sure that all the other code also still works
> > > correctly in Stata 10.
> >
> > The version statement is NOT needed in the subroutines. Example:
> >
> > /*-------------------------------------*/
> > . program thetest9
> >   1.     version 9
> >   2.     _thetest
> >   3. end
> >
> > . program thetest10
> >   1.     version 10
> >   2.     _thetest
> >   3. end
> >
> > . program _thetest
> >   1.     local pos = index("abc","c")
> >   2.     di as res "`pos'"
> >   3. end
> >
> > . thetest9
> > 3
> >
> > . thetest10
> > Unknown function index()
> > r(133);
> > /*-------------------------------------*/
>
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