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st: RE: RE: macro expansion


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: macro expansion
Date   Wed, 15 Mar 2006 22:02:18 -0000

I guess you are not telling us everything. 

For example, if some of your code is executed 
from the Command window and some from the 
do-file editor, then the "program" (by courtesy) 
in the editor cannot see the locals defined from
the Command window. 

Remember: -local- means precisely that. Local macros
are only visible within the same program, meaning
a -program- defined as such, a do-file, code in 
the do-file editor or the main session running 
from the Command window. 

Nick 
n.j.cox@durham.ac.uk 
(not a Professor!) 

Sean Shu
 
> I have following code which let two local macros expand in a 
> file path. 
> But after running the looping, the files are saved under C: directly, 
> instead of the directory suggested by the code.
> 
> local path = "C:/EPI Projects/RRFSS Trends/"
> local fname = "Smoking Vehicle\vehicle0"
> cd "C:\EPI Projects\RRFSS Trends\data"
> forval i = 1/4 {
> 	insheet cat prop ucl lcl popsize using raw0`i'.txt, clear
> 	generate year = 200`i'
> 	save "`path'/`fname'`i'", replace
> }
> 
> Messages from STATA after running the above code
> forval	i	= 1/4 {
> 2.		insheet cat prop ucl lcl popsize using raw0`i'.txt,
> clear
> 3.		generate year = 200`i'
> 4.		*save "C:\EPI Projects/RRFSS,	replace
> .		save "`path'/`fname'`i'", replace
> 5. }
> 
> (5 vars, 2 obs)
> file /1.dta saved
> (5 vars, 2 obs)
> file /2.dta saved
> (5 vars, 2 obs)
> file /3.dta saved
> (5 vars, 2 obs)
> file /4.dta saved
> 

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