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Thread: Update data of text file

  1. #1
    Junior Member
    Join Date
    Oct 2013
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    Default Update data of text file

    Hello guys

    I have a text file and name is test.txt
    and the data are as

    1 a1 a2 a3
    2 b1 b2 b3
    3 c1 c2 c3
    4 d1 d2 d3

    I can add record to the test file. but I can't update the record
    I want to update record as

    2 b11 b22 b33

    and how can I delete record of 2???

    help me guys

  2. #2
    Super Moderator Norm's Avatar
    Join Date
    May 2010
    Eastern Florida
    Thanked 2,274 Times in 2,245 Posts

    Default Re: Update data of text file

    Read the whole file into a String, update the String and write out the updated String replacing the existing file.
    If you don't understand my answer, don't ignore it, ask a question.

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