Update CSV File

Demonstrates how to read a CSV, update some cells, and save.

The Chilkat CSV library/component/class is freeware. The downloads for .NET, C++, Perl, Java, Ruby, and Python contain all of the Chilkat classes, some of which are freeware and some of which require licensing.

Download Chilkat CSV ActiveX (freeware)

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @sTmp0 nvarchar(4000)
    --  This example program loads a file (sample.csv)
    --  that contains this content:
    -- 
    --  year,color,country,food
    --  2001,red,France,cheese
    --  2005,blue,"United States",hamburger
    --  2008,green,Italy,pasta
    --  1998,orange,Japan,sushi
    -- 
    --  The first row contains the column names.
    --  This file is available at:
    --  http://www.chilkatsoft.com/testData/sample.csv

    DECLARE @csv int
    EXEC @hr = sp_OACreate 'Chilkat.Csv', @csv OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    --  Prior to loading the CSV file, indicate that the 1st row
    --  should be treated as column names:
    EXEC sp_OASetProperty @csv, 'HasColumnNames', 1

    --  Load the CSV records from the file:
    DECLARE @success int

    EXEC sp_OAMethod @csv, 'LoadFile', @success OUT, 'sample.csv'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @csv, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        RETURN
      END

    --  Change "cheese" to "baguette"
    --  ("cheese" is at row=0, column=3
    EXEC sp_OAMethod @csv, 'SetCell', NULL, 0, 3, 'baguette'

    --  Change "blue" to "magenta"
    EXEC sp_OAMethod @csv, 'SetCell', NULL, 1, 1, 'magenta'

    --  Write the updated CSV to a string and display:
    DECLARE @csvDoc nvarchar(4000)

    EXEC sp_OAMethod @csv, 'SaveToString', @csvDoc OUT

    PRINT @csvDoc

    --  Save the CSV to a file:
    EXEC sp_OAMethod @csv, 'SaveFile', @success OUT, 'out.csv'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @csv, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
      END
END
GO