- filename testdata 'd:\testdata.txt';
- data raw;
- length name $10 sequence $10000;
- retain name sequence;
- infile testdata;
- input;
- if substr(_infile_,1,1)='>' then name=substr(_infile_,2);
- else if _infile_='//' then do;
- output;
- call missing(sequence);
- end;
- else sequence=cats(sequence,_infile_);
- run;


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