我需要从行号1，然后是6，然后是11＆amp;等等。
1- IntraPOP,I'NAL,Active,KOL BE-DS-01 to China NETACT,KOL1bds001,VCFlexA-X5,144.15.21.6 ,341,China NetAct,NA,143.14.45.144,340,
2- IntraPOP,I'NAL,Active,KOL BE-DS-01 to China NETACT,KOL1bds001,VCFlexA-X5,144.15.21.6 ,341,China NetAct,NA,143.14.45.144,340,
3- IntraPOP,I'NAL,Active,KOL BE-DS-01 to China NETACT,KOL1bds001,VCFlexA-X5,144.15.21.6 ,341,China NetAct,NA,143.14.45.144,340,
4- IntraPOP,I'NAL,Active,KOL BE-DS-01 to China NETACT,KOL1bds001,VCFlexA-X5,144.15.21.6 ,341,China NetAct,NA,143.14.45.144,340,
5- IntraPOP,I'NAL,Active,KOL BE-DS-01 to China NETACT,KOL1bds001,VCFlexA-X5,144.15.21.6 ,341,China NetAct,NA,143.14.45.144,340,
6- IntraPOP,I'NAL,Active,KOL BE-DS-02 to China NETACT,KOL1bds002,VCFlexA-X5,144.15.21.7 ,341,China NetAct,NA,143.14.45.144,340,
7- IntraPOP,I'NAL,Active,KOL BE-DS-02 to China NETACT,KOL1bds002,VCFlexA-X5,144.15.21.7 ,341,China NetAct,NA,143.14.45.144,340,
8- IntraPOP,I'NAL,Active,KOL BE-DS-02 to China NETACT,KOL1bds002,VCFlexA-X5,144.15.21.7 ,341,China NetAct,NA,143.14.45.144,340,
9- IntraPOP,I'NAL,Active,KOL BE-DS-02 to China NETACT,KOL1bds002,VCFlexA-X5,144.15.21.7 ,341,China NetAct,NA,143.14.45.144,340,
10- IntraPOP,I'NAL,Active,KOL BE-DS-02 to China NETACT,KOL1bds002,VCFlexA-X5,144.15.21.7 ,341,China NetAct,NA,143.14.45.144,340,
11- IntraPOP,I'NAL,Active,KOL BE-DS-03 to China NETACT,KOL1bds003,VCFlexA-X5,144.15.21.8 ,341,China NetAct,NA,143.14.45.144,340,
12- IntraPOP,I'NAL,Active,KOL BE-DS-03 to China NETACT,KOL1bds003,VCFlexA-X5,144.15.21.8 ,341,China NetAct,NA,143.14.45.144,340,
13- IntraPOP,I'NAL,Active,KOL BE-DS-03 to China NETACT,KOL1bds003,VCFlexA-X5,144.15.21.8 ,341,China NetAct,NA,143.14.45.144,340,
答案 0 :(得分：1)
awk可以很容易地从第一行开始抓取每五行：
cat file | awk '!((NR-1)%5)' | grep ...
这取行号，减1，并验证它可以被5整除。