This can be solved by the use of %QUOTE and %NRQUOTE Functions in macros. Please go through the link SAS(R) 9.2 Macro Language: Reference
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Hi, If there is no pattern in the number of rows you want to extract, then you have to conditionally check whether _n_ system variable hold required row numbers. If yes then extract. If _n_ in (5,21,....);
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