libname BC "C:\file\path";

%macro filecreate;
    %do x=1 %to 700;
    filename lb18 "C:\folder\lb&x..txt" LRECL=8006;
    data _null_;
          set BC.some_data (firstobs=&x obs=&x);
          file lb18 dsd dlm='09'x;
          put var1;
    run;
    %end;
%mend;

%filecreate;

http://jaredprins.com/sas/2011/11/14/convert-sas-dataset-to-text-file.html

This SAS macro will convert a dataset to a text file

Convert SAS dataset to Text file

text, convert

SAS