How to merge csv files onto a single file on condition and adding file name as a column?












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I have multiple csv files on folder. The column headers are different but column datas are same.



The number inside the bracket is actual column name. Item(67) 67 is column name



So ignore the string Item and only consider the int inside () and perform the operation.



Sample Files: https://drive.google.com/open?id=1jNb9Q7uFCJcAatjqQggixVIYmbSjaWRC-ydlu1WxvIQ



Explanation:



The files on the drive should be appended together. On Condition based on the column names. If the integer on condition matches with the column name(integer inside () of the column name) then it should be placed on that column. Please check the expected output.

Files



File 1    

ID Item(67) Item(89) Item(91) Item(100)
1 56 78 98 101
2 91 100 121

File 2
ID Item(96) Item(58) Item(67) Item(100)
3 101 102 103 104
4 112 113 117 119


Condition



 File   Price1  Price2  Price3  Price4  Price5
File1 67 89 91 100
File2 96 58 67 100


Expected Output:



     File   ID  Price1  Price2  Price3  Price4  Price5
File1 1 56 78 98 101
File1 2 91 100 121
File2 3 101 102 103 104
File2 4 112 113 117 119








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    I have multiple csv files on folder. The column headers are different but column datas are same.



    The number inside the bracket is actual column name. Item(67) 67 is column name



    So ignore the string Item and only consider the int inside () and perform the operation.



    Sample Files: https://drive.google.com/open?id=1jNb9Q7uFCJcAatjqQggixVIYmbSjaWRC-ydlu1WxvIQ



    Explanation:



    The files on the drive should be appended together. On Condition based on the column names. If the integer on condition matches with the column name(integer inside () of the column name) then it should be placed on that column. Please check the expected output.

    Files



    File 1    

    ID Item(67) Item(89) Item(91) Item(100)
    1 56 78 98 101
    2 91 100 121

    File 2
    ID Item(96) Item(58) Item(67) Item(100)
    3 101 102 103 104
    4 112 113 117 119


    Condition



     File   Price1  Price2  Price3  Price4  Price5
    File1 67 89 91 100
    File2 96 58 67 100


    Expected Output:



         File   ID  Price1  Price2  Price3  Price4  Price5
    File1 1 56 78 98 101
    File1 2 91 100 121
    File2 3 101 102 103 104
    File2 4 112 113 117 119








    share







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      I have multiple csv files on folder. The column headers are different but column datas are same.



      The number inside the bracket is actual column name. Item(67) 67 is column name



      So ignore the string Item and only consider the int inside () and perform the operation.



      Sample Files: https://drive.google.com/open?id=1jNb9Q7uFCJcAatjqQggixVIYmbSjaWRC-ydlu1WxvIQ



      Explanation:



      The files on the drive should be appended together. On Condition based on the column names. If the integer on condition matches with the column name(integer inside () of the column name) then it should be placed on that column. Please check the expected output.

      Files



      File 1    

      ID Item(67) Item(89) Item(91) Item(100)
      1 56 78 98 101
      2 91 100 121

      File 2
      ID Item(96) Item(58) Item(67) Item(100)
      3 101 102 103 104
      4 112 113 117 119


      Condition



       File   Price1  Price2  Price3  Price4  Price5
      File1 67 89 91 100
      File2 96 58 67 100


      Expected Output:



           File   ID  Price1  Price2  Price3  Price4  Price5
      File1 1 56 78 98 101
      File1 2 91 100 121
      File2 3 101 102 103 104
      File2 4 112 113 117 119








      share







      New contributor




      panda is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I have multiple csv files on folder. The column headers are different but column datas are same.



      The number inside the bracket is actual column name. Item(67) 67 is column name



      So ignore the string Item and only consider the int inside () and perform the operation.



      Sample Files: https://drive.google.com/open?id=1jNb9Q7uFCJcAatjqQggixVIYmbSjaWRC-ydlu1WxvIQ



      Explanation:



      The files on the drive should be appended together. On Condition based on the column names. If the integer on condition matches with the column name(integer inside () of the column name) then it should be placed on that column. Please check the expected output.

      Files



      File 1    

      ID Item(67) Item(89) Item(91) Item(100)
      1 56 78 98 101
      2 91 100 121

      File 2
      ID Item(96) Item(58) Item(67) Item(100)
      3 101 102 103 104
      4 112 113 117 119


      Condition



       File   Price1  Price2  Price3  Price4  Price5
      File1 67 89 91 100
      File2 96 58 67 100


      Expected Output:



           File   ID  Price1  Price2  Price3  Price4  Price5
      File1 1 56 78 98 101
      File1 2 91 100 121
      File2 3 101 102 103 104
      File2 4 112 113 117 119






      linux command-line terminal osx





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