SQL Server

Create Zip Excluding Files Matching Patterns

See more Zip Examples

How to create a .zip archive excluding (skipping) files that match a set of wildcarded patterns. SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- This example requires the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

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

    EXEC sp_OAMethod @zip, 'NewZip', @success OUT, 'test.zip'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    -- Create a string array object with our set of filename patterns
    -- to be excluded:
    DECLARE @sa int
    EXEC @hr = sp_OACreate 'Chilkat.StringArray', @sa OUT

    EXEC sp_OAMethod @sa, 'Append', @success OUT, '*.bak'
    EXEC sp_OAMethod @sa, 'Append', @success OUT, '*.tmp'

    -- Tell the zip object to use these exclusions:
    EXEC sp_OAMethod @zip, 'SetExclusions', NULL, @sa

    -- Append a directory tree.  The AppendFiles does
    -- not read the file contents or append them to the zip
    -- object in memory.  It simply appends references
    -- to the files so that when WriteZip (or WriteZipAndClose,
    -- or WriteExe, etc.) is called, the files are compressed
    -- and encrypted.
    DECLARE @recurse int
    SELECT @recurse = 1
    EXEC sp_OAMethod @zip, 'AppendFiles', @success OUT, '/temp/a/*', @recurse

    EXEC sp_OAMethod @zip, 'WriteZipAndClose', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        EXEC @hr = sp_OADestroy @sa
        RETURN
      END


    PRINT 'Zip Created!'

    EXEC @hr = sp_OADestroy @zip
    EXEC @hr = sp_OADestroy @sa


END
GO