请问PAD的作用以及会在什么情况下会用到

shiyiming

看过帮助但是好象内容不多，所以还不是很明白，谢谢~~~

shiyiming

PAD option is used in INFILE / FILE statements while reading from/writting to  a external file, which contain blank (missing) value.  It is most used with LRECL= option and fixed-length record.

shiyiming

谢谢，能不能给一些例子，帮助里没有看到~

shiyiming

/* Pad.txt file stored in c:\temp
Jones         M 28 128.6
Laverne     M      158
Jaffe          F  33 115.5
Wilson       M  28 170.1
Harmon     F
Haverman  F  31 130.4
*/

filename car 'c:\temp\pad.txt' ;
data from_text;
infile car pad;
input name $ 1-8 sex $ 10  age 12-13  ht 15-20;
run;