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Re: st: RE: RE: Blinking message when using _rc


From   Duha Altindag <daltin2@tigers.lsu.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: RE: Blinking message when using _rc
Date   Wed, 28 Jul 2010 16:53:15 -0500

Thanks much! It got fixed now.

On Wed, Jul 28, 2010 at 4:26 PM, Nick Cox <n.j.cox@durham.ac.uk> wrote:
> You may just have omitted an -if-.
>
> ! as the first character on a line will, as Martin says, be interpreted
> as a call to the shell.
>
> Your inner code can be compressed as you don't need to -confirm var-
> twice.
>
> capture confirm variable `m'_X
> if !_rc {
>        quietly count if missing(`m'_X)
>        if  r(N)==_N{
>        drop `m'_X
>        display "`m'_X" " dropped"
>        }
>        else replace `m'_X="1" if `m'_X=="P"
> }
>
> although the last will fail if the variable in question is numeric.
>
> Nick
> n.j.cox@durham.ac.uk
>
> Martin Weiss
>
> Just issue
>
> ***********
> !_rc
> ***********
>
> on its own to see the window. Without the -if- in front of it, it calls
> the
> OS, and the OS does not know "_rc"... "!" is a synonym for the Stata
> command
> -shell-...
>
> Duha Altindag
>
> I'm running the program below:
>
> ***start***
> local M "A B C"
> foreach m in `M' {
>
> capture confirm variable `m'_X
> !_rc {
> quietly count if missing(`m'_X)
> if  r(N)==_N{
> drop `m'_X
> display "`m'_X" " dropped"
> }
> }
>
> capture confirm variable `m'_X
> if !_rc {
> replace `m'_X="1" if `m'_X=="P"
> }
> }
> ***end***
>
> It does the job that I need. But while it is running, I see a black
> windows window for just a moment each (literally), that gives me a
> message that reads like:
> "!_rc { is not recognized as an internal or external command, operable
> program or batch file."
> Because the program above runs many times, I see that window multiple
> times for a moment, like blinking. I can hardly read it the moment I
> see it, but I could write it down after running the code many times.
> Does anyone have an idea of what that means?
>
>
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