我有这样的文件..例如:
number,dac,amountdac,expdate,0
1111,1,0.000000,2010-07-21,0
1111,2,0.000000,2010-07-21,0
1111,3,0.000000,2010-07-21,0
1111,4,0.000000,2010-07-21,0
1111,5,0.000000,2010-07-21,0
1111,6,0.000000,2010-07-21,0
1111,7,0.000000,2010-07-21,0
1111,8,0.000000,2010-07-21,0
1111,9,0.000000,2010-07-21,0
1111,10,0.000000,2010-07-21,0
2222,1,50.000000,2010-07-21,0
2222,2,0.000000,2010-07-21,0
2222,3,0.000000,2010-07-21,0
2222,4,0.000000,2010-07-21,0
2222,5,0.000000,2010-07-21,0
2222,6,0.000000,2010-07-21,0
2222,7,0.000000,2010-07-21,0
2222,8,10.000000,2010-07-21,0
2222,9,0.000000,2010-07-21,0
2222,10,0.000000,2010-07-21,0
3333,1,0.000000,2010-07-21,0
3333,2,0.000000,2010-07-21,0
3333,3,0.000000,2010-07-21,0
3333,4,0.000000,2010-07-21,0
3333,5,0.000000,2010-07-21,0
3333,6,0.000000,2010-07-21,0
3333,7,0.000000,2010-07-21,0
3333,8,0.000000,2010-07-21,0
3333,9,200.000000,2010-07-21,0
3333,10,50.000000,2010-07-21,0
我想要这样的输出,所有 dac1 到 dac10 的第 1 列编号都是相同的。我给你的标题供你参考。在原始文件中我没有标题。
number,dac1,dac2,dac3,dac4,dac5,dac6,dac7,dac8,dac9,dac10,amountdac1,amountdac2,amountdac3,,amountdac4,amountdac5,amountdac6,amountdac7,amountdac8,amountdac9,,amountdac10,expdate1,expdate2,expdate3,expdate4,expdate5,expdate6,expdate7,expdate8,expdate9,expdate10,0
1111,1,2,3,4,5,6,7,8,9,10,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,0
2222,1,2,3,4,5,6,7,8,9,10,50.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,10.000000,0.000000,0.000000,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,0
3333,1,2,3,4,5,6,7,8,9,10,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,200.000000,50.000000,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,2010-07-21,0