求教：关于SYSLAST的问题

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各位大虾好！小妹初学SAS MACRO不久，有一些关于SASLAST的问题有一些疑惑，希望各位大虾可以帮助我，小妹不胜感激！

问题：
如果有一段code如下：

%macro houses(dsn = houses,sub = RANCH);
data &dsn;
set sasuser.houses;
if style = "&sub";
run;
%mend;
%houses(sub = SPLIT);
%houses(dsn = ranch);
%houses(sub = TWOSTORY);


那SYSLAST的值应该是多少呢？多谢各位赐教！！！

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关键词：Last Sys sasuser Houses House 不胜感激 style

The SYSLAST macro variable stores name of the last successfully created data set. So it depends on the situation of three  macro calls.
Assume that all calls are successfully executed. The return values will be WORK.HOUSES, WORK.RANCH, WORK.HOUSES after each call.

Here is an example.








1    data t1;
2      x=1;
3    run;

NOTE: The data set WORK.T1 has 1 observations and 1 variables.
NOTE: DATA statement used (Total process time):
      real time           0.27 seconds
      cpu time            0.03 seconds


4
5    %put >>>&syslast<<<;
>>>WORK.T1                              <<<

bobguy 发表于 2012-10-25 07:18
The SYSLAST macro variable stores name of the last successfully created data set. So it depends on t ...

OK, I've got the meaning and usage of SYSLAST. Thanks for your explicit explanation!

学习了，谢谢。