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标题: 删除宏变量 [打印本页]

作者: shiyiming 时间: 2003-12-10 09:45
标题: 删除宏变量
删除宏变量，8.2使用%symdel，8.1及以前这么来着？

作者: shiyiming 时间: 2003-12-19 17:49
标题: Re: 删除宏变量
[quote="willon":2f5e6]删除宏变量，8.2使用%symdel，8.1及以前这么来着？[/quote:2f5e6]

从SAS-L上COPY过来。我没有测试<我的电脑正在重装>。

Hope this helps,

<a class="postlink" href="http://groups.google.com/groups?q=macro+variable+delete&start=20&hl=en&lr=&ie=UTF-8&safe=off&selm=3819ACA2.5FB4%40capitale.qc.ca&rnum=24">http://groups.google.com/groups?q=macro ... ca&rnum=24</a>

%*******************************************************；
macro delmacv(nm);

%if %str(&nm) = %str( ) or %upcase(&nm) = _ALL_
%then
   %let where = %str( );
%else
   %let where = %str(and name = "%upcase(&nm)");

%*Save macro symbol table size ;
  %let savtbmx = %sysfunc(getoption(msymtabmax));

%*redirect macro memory to disk;
  options  msymtabmax=0 ;

%*Force Write of macros to disk;
%*And at end delete macro catalog;

data _null_;
  set sashelp.vmacro end=end;
call symput(name,' ');
where scope='GLOBAL' &where ;
if end
then do;
      call execute("proc catalog catalog=work.sasst0 kill;quit;");
      call execute("options msymtabmax=&savtbmx;");
      end;
run;
%*;
%mend;

作者: shiyiming 时间: 2003-12-20 21:36
谢谢zibao

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