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







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

















    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




      1




      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.





      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.






















          0






          active

          oldest

          votes












          Your Answer








          StackExchange.ready(function() {
          var channelOptions = {
          tags: "".split(" "),
          id: "106"
          };
          initTagRenderer("".split(" "), "".split(" "), channelOptions);

          StackExchange.using("externalEditor", function() {
          // Have to fire editor after snippets, if snippets enabled
          if (StackExchange.settings.snippets.snippetsEnabled) {
          StackExchange.using("snippets", function() {
          createEditor();
          });
          }
          else {
          createEditor();
          }
          });

          function createEditor() {
          StackExchange.prepareEditor({
          heartbeatType: 'answer',
          autoActivateHeartbeat: false,
          convertImagesToLinks: false,
          noModals: true,
          showLowRepImageUploadWarning: true,
          reputationToPostImages: null,
          bindNavPrevention: true,
          postfix: "",
          imageUploader: {
          brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
          contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
          allowUrls: true
          },
          onDemand: true,
          discardSelector: ".discard-answer"
          ,immediatelyShowMarkdownHelp:true
          });


          }
          });






          Jaguar Jom is a new contributor. Be nice, and check out our Code of Conduct.










          draft saved

          draft discarded


















          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f509553%2fi-want-to-delete-every-two-lines-after-3rd-lines-in-file-contain-very-large-numb%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown

























          0






          active

          oldest

          votes








          0






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes








          Jaguar Jom is a new contributor. Be nice, and check out our Code of Conduct.










          draft saved

          draft discarded


















          Jaguar Jom is a new contributor. Be nice, and check out our Code of Conduct.













          Jaguar Jom is a new contributor. Be nice, and check out our Code of Conduct.












          Jaguar Jom is a new contributor. Be nice, and check out our Code of Conduct.
















          Thanks for contributing an answer to Unix & Linux Stack Exchange!


          • Please be sure to answer the question. Provide details and share your research!

          But avoid



          • Asking for help, clarification, or responding to other answers.

          • Making statements based on opinion; back them up with references or personal experience.


          To learn more, see our tips on writing great answers.




          draft saved


          draft discarded














          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f509553%2fi-want-to-delete-every-two-lines-after-3rd-lines-in-file-contain-very-large-numb%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown





















































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown

































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown







          Popular posts from this blog

          CARDNET

          Boot-repair Failure: Unable to locate package grub-common:i386

          濃尾地震