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Thread: Comparing data in 2 text files
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  1. #1
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    Default Comparing data in 2 text files

    I have written a piece of code that asks the user to open one text file and it loads it into an Excel sheet. Then asks for a second text file which it loads into another sheet. Then runs through the second sheet to find corresponding records and when it does it compares a column of data.

    This works OK (a little slow maybe), but unfortunately the second file contains a little more than the Excel maximum 1,048,576 rows.

    How hard is it to load the second text file into memory, say a dictionary and then do the comparrison. Any pointers?


  2. #2
    Board Regular sandy666's Avatar
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    Cool Re: Comparing data in 2 text files

    try PowerQuery (Get&Transform) : merge with InnerJoin
    I know you know but I forgot my Crystal Ball and don't know what you know

    In the first post, show the type of machine (PC / Mac) and the Office version you are working on
    impossible things we do on the spot. for miracles you need to wait for a while

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