* this example shows how you can call the operating system (in this * example UNIX) to execute a command during your SAS program.
DATA test;
do a = 1 to 100;
output;
end;
run;
data _null_;
set test;
file "test.txt";
put a;
run;
x "rm test2.txt";
x "head ~/test.txt > test2.txt" ;
data test2;
infile "test2.txt";
input a;
run;
proc print data=test2;
run;
