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File Update

Scheduled Pinned Locked Moved C / C++ / MFC
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  • K Offline
    K Offline
    kamalesh82
    wrote on last edited by
    #1

    Am trying to oepn a text file( not empty file). Want to delete a specified portion of the file ( around 10 chars from the middle of the file). how can i do it? i've already calculated start position and end position. but don't know how to delete that part and again write that part. Thanks in advance

    kamalesh

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    • K kamalesh82

      Am trying to oepn a text file( not empty file). Want to delete a specified portion of the file ( around 10 chars from the middle of the file). how can i do it? i've already calculated start position and end position. but don't know how to delete that part and again write that part. Thanks in advance

      kamalesh

      S Offline
      S Offline
      Sakthiu
      wrote on last edited by
      #2

      Use feek and ftell functions. Those two might help you. bye.

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      • K kamalesh82

        Am trying to oepn a text file( not empty file). Want to delete a specified portion of the file ( around 10 chars from the middle of the file). how can i do it? i've already calculated start position and end position. but don't know how to delete that part and again write that part. Thanks in advance

        kamalesh

        D Offline
        D Offline
        David Crow
        wrote on last edited by
        #3

        One way is to read the entire file contents into a buffer, modify the buffer, and write the buffer back out to the file.


        "Approved Workmen Are Not Ashamed" - 2 Timothy 2:15

        "Judge not by the eye but by the heart." - Native American Proverb

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