Date:         Wed, 20 Dec 2006 11:55:44 -0000
Reply-To:     Ian Wakeling <ian.wakeling@HANANI.QISTATS.CO.UK>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Ian Wakeling <ian.wakeling@HANANI.QISTATS.CO.UK>
Subject:      Re: Macro help
Content-Type: text/plain; format=flowed; charset="Windows-1252";
              reply-type=original

Hema,

I believe %SYMDEL only operates on global macro variables.
As dsid and rc are local to the macro %temp they will not
persist after the macro has been processed and so there
is no need to try to delete them.

Ian.

----- Original Message -----
From: "hema" <hema_dave15@YAHOO.COM>
To: <SAS-L@LISTSERV.UGA.EDU>
Sent: Wednesday, December 20, 2006 11:38 AM
Subject: Macro help


> Hi,
>
>  I am running the below code... but getting problem ..
>
>
>  %macro temp(data);
>  %global cnt;
>  %let dsid=%sysfunc(open(&data));
>  %let cnt=%sysfunc(attrn(&dsid,NOBS));%let rc=%sysfunc(close(&dsid));
>  %symdel dsid;
>  %symdel rc;
>  %put &cnt;
>  %mend;
>  %temp(items);
>
>  The error i am getting is
>
>  MLOGIC(TEMP): Beginning execution.
>  MLOGIC(TEMP): Parameter DATA has value items
>  MLOGIC(TEMP): %GLOBAL CNT
>  MLOGIC(TEMP): %LET (variable name is DSID)
>  MLOGIC(TEMP): %LET (variable name is CNT)
>  MLOGIC(TEMP): %LET (variable name is RC)
>  MLOGIC(TEMP): %SYMDEL DSID
>  WARNING: Attempt to delete macro variable DSID failed. Variable not found.
>  MLOGIC(TEMP): %SYMDEL RC
>  WARNING: Attempt to delete macro variable RC failed. Variable not found.
>  MLOGIC(TEMP): %PUT &cnt
>  14
>  MLOGIC(TEMP): Ending execution
>
>
>
>
>  Help appreciated :)
>
>  Regards,
>  Hema
>
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