a.txt CM-03-B052 CM-03-B051 CM-03-B053 CM-03-B054 CMSL-A-A-68.5 EP-BLOCK1 EP-BLOCK2
b.txt
CA101003-F001^10^M40G00101^20100612^^24.7^2.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cabmi600^ CA101003-M001^10^M40G00101^20100612^^25.3^2.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cabmi600^ CA100997-S004F^10^M30600101^20100612^^1.4^1.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cabmi600^ CA100948-U010/1^10^M30600101^20100612^^4.4^4.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cabmi600^ CA101004-F001^10^M40G00101^20100612^^11.1^1.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cabmi600^ CA101004-M001^10^M40G00101^20100612^^12.1^1.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cabmi600^ CA101013-F001^10^M40G00101^20100612^^29.6^2.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cabmi600^ CA101013-M001^10^M40G00101^20100612^^27.4^2.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cabmi600^ CA101003-B025^10^M70600204^20100612^^0.6^1.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cabmi600^ CA101003-B072/3^10^M30600101^20100612^^4.9^8.0^0.0^0^KG^1.0^1.0^^^0^N^0^N^0^Y^10^Y^Y^100.0^ ^ ^ ^N^CCC40332^20100612^cab
. . .
如何把b.txt裡面第一列為a.txt裡面內容的都過濾出來呢???
也就是如果b.txt的第一列為a.txt中含有的,則寫入到一個新的文件。 |