我需要从输入文件中删除所有空白行，并写入输出文件。这里是我的数据如下。
11216,33,1032747,64310,1,1.878,1.087,5,18-JAN-13,000603221321 11216,1033196,31300,1.5391,1.054,059762153003 11216,1033246,000603211032 11216,1033280,31118,1.5513,1.115,055111034001 11216,1033287,000378689701 11216,1033358,000093737301 11216,1035476,37340,1.7046,1.123,045802041926 11216,045802041954 11216,045802049326 11216,045802049383 11216,1036985,15151,1.4436,1.065,000093415580 11216,1037003,000781202001 11216,000781261305 11216,000781603955 11216,000781615746
