. clear

. input c1 c2 c3 c4

             c1          c2          c3          c4
  1. 1 2 3 4
  2. 5 6 7 8
  3. end

. dataex

----------------------- copy starting from the next line -----------------------

------------------ copy up to and including the previous line ------------------

如何将
3 4
7 8
整体向下移动两行，变成
. clear

. input c1 c2 c3 c4

             c1          c2          c3          c4
  1. 1 2 0 0
  2. 5 6 0 0
  3. 0 0 3 4
  4. 0 0 7 8
  5. end

. dataex

----------------------- copy starting from the next line -----------------------

------------------ copy up to and including the previous line ------------------

Listed 4 out of 4 observations



当然，这里是变量数量少。如果数量很多的时候，比如 varlist c1-c200，怎么将c3-c4下移两行，c5-c6下移四行，c7-c8下移六行（以此类推）？
急求！谢谢大神指点迷津。