如何对宏变量进行替换处理

farmman60 发表于 2014-11-2 10:03

%macro aaa(y=);

%let x=\aaa\bbb\ccc21\aaa\bbb\ccc23\aaa\bbb\ccc35\aaa\bbb\ccc42;

%let expressid=%sysfunc(prxparse(s/\\aaa\\bbb//));

%let x=%sysfunc(prxchange(&expressid,&y,%str(&x)));

%put &x;

%mend;

%aaa(y=1)

%aaa(y=2)

谢谢！

pobel 发表于 2014-11-2 10:57
%macro aaa(y=);
%let x=\aaa\bbb\ccc21\aaa\bbb\ccc23\aaa\bbb\ccc35\aaa\bbb\ccc42;

请pobel兄以附件50论坛币出售的形式，我来购买！

huangpengfei 发表于 2014-11-2 22:09
%macro want(y=);
%let x=%str(\aaa\bbb\ccc21\aaa\bbb\ccc23\aaa\bbb\ccc35\aaa\bbb\ccc42);
data a;

请huangpengfei兄以附件50论坛币出售的形式，我来购买！

dxystata 发表于 2014-11-4 00:02
请pobel兄以附件50论坛币出售的形式，我来购买！

论坛币就无所谓了