Date:         Thu, 29 Jan 2004 12:12:18 -0700
Reply-To:     Jack Hamilton <JackHamilton@FIRSTHEALTH.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Jack Hamilton <JackHamilton@FIRSTHEALTH.COM>
Subject:      Re: Leaving Do loop in %Do
Comments: To: datametric@CLUB-INTERNET.FR
Content-Type: text/plain; charset=iso-8859-1

<datametric@CLUB-INTERNET.FR> wrote:

>Your %do statement is open when you do this. Be careful with the nested loops.

Really ?

could you explain this ?

Under what circumstances will the code below cause a problem?  The documentation warns against branching into the middle of a loop, but not against branching out.





--
JackHamilton@FirstHealth.com
Manager, Technical Development
Metrics Department, First Health
West Sacramento, California USA

>>> "SUBSCRIBE SAS-L Stephane" <datametric@CLUB-INTERNET.FR> 01/29/2004 9:28 AM >>>
Your %do statement is open when you do this. Be careful with the nested loops.

Stéphane.


----Message d'origine----
>Date:         Wed, 28 Jan 2004 23:54:39 -0700
>De: Jack Hamilton <JackHamilton@FIRSTHEALTH.COM>
>Sujet:      Re: Leaving Do loop in %Do
>A: SAS-L@LISTSERV.UGA.EDU
>
>Use a %GOTO to a label immediately after the loop
>
>=====
>%macro x;
>   %do i = 1 %to 12;
>      %if &i = 4 %then %goto exitloop;
>      &i
>   %end;
>   %exitloop:
>%mend x;
>
>%put %x;
>=====
>
>prints
>
>   1   2   3
>
>Gotos can lead to trouble, and so their use should be restricted to
>cases like this one.
>
>
>
>
>--
>JackHamilton@FirstHealth.com
>Manager, Technical Development
>Metrics Department, First Health
>West Sacramento, California USA
>
>>>> "taran gujral" <taran_jit@YAHOO.COM> 01/28/2004 8:34 PM >>>
>hello folks ,
>
>i wanted to know how we could leave a %do loop as
>we leave Do loop with a leave .
>
>like
>
>Do i =1 to 5;
>
>if i = 4 then leave;
>end;
>
>what can i use if i have %do loop
>
>thanks
>
>
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