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Dynamics 365 Community / Forums / Microsoft Dynamics AX (Archived) / Append line to an exis...
Microsoft Dynamics AX (Archived)

Append line to an existing csv file

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Posted on by Community Member

Hi All,

I want to open an existing csv file and append record/line to it from AX 2012 Job. Every time I am trying to do that it is replacing the file with new set of record.

Please advice.

Thanks and Regards,

Arindam

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  • Verified answer
    Martin Dráb Profile Picture
    Martin Dráb 237,795 Most Valuable Professional on at

    Let's start with an example:

    #File
CommaTextIo io = new CommaTextIo(@'c:\temp\test.csv', #io_append);
;
io.write("abcd", 123);

    You can run this code several times and it always add another line to the file.

    The second parameter of CommaTextIo's constructor is crucial - if you use #io_write (or 'w') instead, the existing file content will be overwritten.

     

  • Community Member Profile Picture
    Community Member on at

    Hi Martin,

    It worked. thank you. I was using #io_write. In that way every time it was creating a new file and line. Now after using #io_append I am getting desired out put.

    Thank you.

    Regards,

    Arindam

  • Community Member Profile Picture
    Community Member on at

    Hi Martin,

    I have to do the same for all the files which are in one particular folder,how can mention the path to do the same.

    Can you please suggest.

  • Community Member Profile Picture
    Community Member on at

    Adding to the previous .. I have  6 columns in CSV, for 5th column  last row I need to add the particular Text.

    How to mention the particular column and last row, please suggest if any?

    Thanks

    Hari

  • Martin Dráb Profile Picture
    Martin Dráb 237,795 Most Valuable Professional on at

    If you have more files, you'll use the same, just several times (once for each file).

    The other question isn't related to the topic of this thread ("Append line to an existing csv file"); please create a new one (with an appropriate title and tags) and explain your problem there.

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