I want to delete every two lines after 3rd lines in file contain very large number of lines :












0

















Like

If I have :

1st line (keep)

2nd line (keep)

3rd line (keep)

4rth lines (delete)

5th (del)

6th (keep)

7nth (keep)

8th lines (keep)

9th (del)

10th (del)

11th (keep)

12th (keep)

13th (keep)

14th (del)

15th (del)

etc....









share







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    0

















    Like

    If I have :

    1st line (keep)

    2nd line (keep)

    3rd line (keep)

    4rth lines (delete)

    5th (del)

    6th (keep)

    7nth (keep)

    8th lines (keep)

    9th (del)

    10th (del)

    11th (keep)

    12th (keep)

    13th (keep)

    14th (del)

    15th (del)

    etc....









    share







    New contributor




    Jaguar Jom is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












      0








      0










      Like

      If I have :

      1st line (keep)

      2nd line (keep)

      3rd line (keep)

      4rth lines (delete)

      5th (del)

      6th (keep)

      7nth (keep)

      8th lines (keep)

      9th (del)

      10th (del)

      11th (keep)

      12th (keep)

      13th (keep)

      14th (del)

      15th (del)

      etc....









      share







      New contributor




      Jaguar Jom is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.














      Like

      If I have :

      1st line (keep)

      2nd line (keep)

      3rd line (keep)

      4rth lines (delete)

      5th (del)

      6th (keep)

      7nth (keep)

      8th lines (keep)

      9th (del)

      10th (del)

      11th (keep)

      12th (keep)

      13th (keep)

      14th (del)

      15th (del)

      etc....







      bash shell awk sed





      share







      New contributor




      Jaguar Jom is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.










      share







      New contributor




      Jaguar Jom is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.








      share



      share






      New contributor




      Jaguar Jom is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked 5 mins ago









      Jaguar JomJaguar Jom

      1




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      New contributor




      Jaguar Jom is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      New contributor





      Jaguar Jom is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Jaguar Jom is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






















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