sas代码：
data test1108;
infile 'C:\Users\Administrator\Desktop\sample.txt' dsd truncover;
input string $1000. @;
if find(string,',"') then input @1 (var1-var4) (:$100.) +1 var5 :$100. / +2 (var6-var10) (:$100.) @;
else input @1 (var1-var10) (:$100.) @;
run;
