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st: RE: programs with options


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: programs with options
Date   Fri, 11 Jul 2003 15:21:38 +0100

Jean-Benoit Hardouin
 
> When I write a program with options, I must put a space 
> between the last 
> variable and the comma, else Stata don't understand that 
> the last variable 
> is "varK" and not "varK,". How resolve this problem.
> 
> I have try to write my syntax line as :
> syntax varlist[,option1 option2] instead of
> syntax varlist [,option1 option2] but I obtain the same result.
> 
> Example with an xxx program :
> xxx var1 var2 var3, option1 option2
> =>, invalid name
> =>r(198);
> 
> xxx var1 var2 var3 , option1 option2
> =>OK

I think you must show us _exactly_ what your real program 
is. My guess is that you have a problem, but it is not this. 

If I write a program 

program p1 
	version 8 
	syntax varlist[,foo bar] 
	di "is OK" 
end 	

then things work OK with 

. p1 mpg weight 

. p1 mpg weight,foo 

. p1 mpg weight, foo

. p1 mpg weight , foo

. p1 mpg weight ,foo 

-- so in terms of both (a) how the program 
is written (b) what you fire at it, Stata 
is not fussed. 

In practice, I would write something more 
like 

program p1 
	version 8 
	syntax varlist [, foo bar] 
	di "is OK" 
end 	

but that's personal style reference (and 
also -- and this is of some importance -- 
closer to Stata Corp's house style and the 
style of most Stata programmers). 

Nick 
n.j.cox@durham.ac.uk 

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