The other option is to confirm the variable _doesn't_ exist - this will always look for the exact name, i.e.
forval i=1/52 {
cap confirm new var x`i'
if _rc==0 {
gen x`i'=.
}
}
BTW, -set varabbrev- was added in an update (5 October 04), so if you can't find it you will need to type -update query- and follow the update instructions.
David
-----Original Message-----
From: Philip Ryan [mailto:[email protected]]
Sent: 08 March 2005 06:46
To: [email protected]
Subject: Re: st: confirm
Keith,
use -set varabbrev off-
. sysuse auto
(1978 Automobile Data)
. set varabbrev on
. confirm var mak
. set varabbrev off
. confirm var mak
variable mak not found
r(111);
see -help set-
Phil
Quoting Keith Dear <[email protected]>:
> How do I confirm that a variable exists with exactly the name I state, not
> as an abbreviation? If I say -cap confirm var x3- but I have a variable
> x30, then I get _rc==0 even though x3 does not exist.
>
> I'll give the context, in case there's a better way. Here's what I am
> trying to do:
>
> forval i=1/52 {
> cap confirm var x`i'
> if _rc!=0 gen x`i'=.
> }
>
> This NEARLY works...
>
> ==========================================================
> Dr Keith B.G. Dear
> Senior Fellow in Biostatistics
> National Centre for Epidemiology and Population Health (NCEPH)
--
Philip Ryan
Associate Professor
Department of Public Health
University of Adelaide
5005 South Australia
AUSTRALIA
CRICOS Provider Number 00123M
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