Re: st: length of a returned local using rclass

[Miranda Kim <mk@mrc.soton.ac.uk>]

Thank you all for your replies to this.
I had not enclosed r(macro) in single quotes when displaying its content 
to check, as Antonis refers to in his response.
Thanks a lot for your help with this.
Best wishes,
Miranda



Martin Weiss wrote:
> See also Nick's http://www.stata-journal.com/article.html?article=pr0045
> HTH
> Martin
>
> -original message-
> Subject: Re: st: length of a returned local using rclass
> From: Ulrich Kohler <kohler@wzb.eu>
> Date: 06-04-2010 12:01
>
> Am Dienstag, den 06.04.2010, 10:46 +0100 schrieb Miranda Kim:
> > Hello,
> > When writing a small program that saved a string (list of variables) 
> > using -rclass- and -return local-, the list was prematurely truncated. I 
> > therefore wonder if there a limit to the number of characters that can 
> > be stored in a local macro using rclass, or if I should be looking for a 
> > bug in my code?
>
>
> Depending on the version of stata that limit is between 8,681 in Small
> Stata and  1,081,511 in Stata SE/MP. In Intercooled Stata it is 
> 165,200 (see -help limits-). 
>
> A frequent reason for truncated strings is the use of equal signs during
> macro definition. Equal signs call the expression calculater, which
> truncates string down to the maximum length of strings in expressions
> (i.e. 244). Perhaps you may want to code
>
> . return local varlist "`varlist'"  
>
> instead of 
>
> . return local varlist = "`varlist'"
>
>
> Many regards
> Uli
>
>
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