sas 显示数据步内容

title "Demonstrating the Concatenation Functions";
data _null_;
    Length Join Name1–Name4 $ 15;
   First = 'Ron ';
   Last = 'Cody ';
    Join = ':' || First || ':';
   Name1 = First || Last;
   Name2 =  cat(First,Last);
   Name3 = cats(First,Last);
   Name4 = catx('  ',First,Last);
   file print;
       put Join= /
       Name1=  /
       Name2= /
       Name3= /
       Name4= /;
run;