(SQL Server) Replace/Update a FIle in a .zip

Demonstrates how to replace/update a file from a .zip. Note: This requires the entire .zip to be rewritten.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    --  This requires the Chilkat Zip API to have been previously unlocked.
    --  See Unlock Chilkat Zip for sample code.

    --  First prepare a .zip and write it..
    DECLARE @zip int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Zip', @zip OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    EXEC sp_OAMethod @zip, 'NewZip', @success OUT, 'qa_output/abc.zip'

    --  Add some files..
    DECLARE @entry int
    EXEC sp_OAMethod @zip, 'AppendString', @entry OUT, 'a.txt', 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
    EXEC @hr = sp_OADestroy @entry

    EXEC sp_OAMethod @zip, 'AppendString', @entry OUT, 'b.txt', 'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb'
    EXEC @hr = sp_OADestroy @entry

    EXEC sp_OAMethod @zip, 'AppendString', @entry OUT, 'c.txt', 'cccccccccccccccccccccccccccccccccccc'
    EXEC @hr = sp_OADestroy @entry

    --  Write to qa_output/abc.zip
    --  This .zip contains three files: a.txt, b.txt, and c.txt
    EXEC sp_OAMethod @zip, 'WriteZipAndClose', @success OUT

    --  -------------------------------------------------------------------
    --  Open abc.zip, replace the content of the "b.txt" entry with something else, and re-write.
    DECLARE @zip2 int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Zip', @zip2 OUT

    EXEC sp_OAMethod @zip2, 'OpenZip', @success OUT, 'qa_output/abc.zip'

    EXEC sp_OAMethod @zip2, 'GetEntryByName', @entry OUT, 'b.txt'
    EXEC sp_OAMethod @entry, 'ReplaceString', @success OUT, 'This is the new content.  bbbbbbbbbbbbbbbbbbbbbb', 'utf-8'
    EXEC @hr = sp_OADestroy @entry

    --  Write the modified .zip back to "abc.zip"
    EXEC sp_OAMethod @zip2, 'WriteZipAndClose', @success OUT


    PRINT 'success.'

    EXEC @hr = sp_OADestroy @zip
    EXEC @hr = sp_OADestroy @zip2


END
GO