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Re: st: local r(varlist)?


From   Martin Weiss <martin.weiss@uni-tuebingen.de>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: local r(varlist)?
Date   Sat, 14 Jun 2008 17:05:19 +0200

See -h foreach- to note that you must say -in- with -anything-


**************************
sysuse auto, clear

ds
ret li


foreach v of any `r(varlist)' {

	di "`: var l `v''"
}

loc r="`r(varlist)'"

di "`r'"


foreach v in `r'  {

	di "`: var l `v''"
}



Zitat von Keith Dear <keith.dear@anu.edu.au>:

This is a small point I am puzzled by, but in the interests of knowing
how Stata thinks:

Following -ds- (and I guess many other commands),

this works:
. foreach v of any `r(varlist)' {
(so r(varlist) is behaving like a local macro)

but this doesn't:
. foreach v of local r(varlist) {
(error message: "{ required")

what am I misunderstanding here?
kd

Dr Keith B.G. Dear
Senior Fellow in Biostatistics
National Centre for Epidemiology and Population Health
Australian National University
Canberra, ACT 0200, Australia
Tel: 02 612 54865, Fax: 02 612 50740
http://nceph.anu.edu.au/Staff_Students/staff_pages/dear.php
CRICOS provider #00120C

http://canberragliding.org/

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