read multiple raw data files with the same structure in one data step

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%let dirname = c:\work\raw_data_files;
filename DIRLIST pipe "dir /B &dirname\*.txt";
data dirlist ;
     length fname $256;
     infile dirlist length=reclen ;
     input fname $varying256. reclen ;
run;
proc print data = dirlist;
run;
data all_text (drop=fname);
  length myfilename $100;
  length name $25;
  set dirlist;
  filepath = "&dirname\"||fname;
  infile dummy filevar = filepath length=reclen end=done missover;
  do while(not done);
    myfilename = filepath;
    input name $  x1 x2 x3;  
    output;
  end;
run;
proc print data=all_text;
run;

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关键词：Structure Data step Multiple struct multip structure multiple files

thank you for your sharing

great!

Could you give me the raw data sets or tell where I can find it?