(SQL Server) Unzip

See more Zip Examples

Unzip a zip archive, creating the subfolders as needed.

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

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

    DECLARE @zip int
    -- Use "Chilkat_9_5_0.Zip" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Zip', @zip OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int
    EXEC sp_OAMethod @zip, 'OpenZip', @success OUT, 'qa_data/zips/sample.zip'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    -- Unzip to c:/temp/testDir
    -- If c:/temp/testDir does not yet exist, it will be auto-created.
    DECLARE @numFilesUnzipped int
    EXEC sp_OAMethod @zip, 'Unzip', @numFilesUnzipped OUT, 'c:/temp/testDir'
    IF @numFilesUnzipped < 0
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    -- If, for example, the zip contained these files:

    -- aaa/pigs.json
    -- bbb/base64Cert.txt
    -- bbb/sub1/brasil_cert.pem
    -- bbb/sub2/penguins.gif
    -- bbb/sub2/starfish.jpg
    -- hamlet.xml
    -- hello.pdf

    -- then after unzipping, the following files will be created:

    -- c:/temp/testDir/aaa/pigs.json
    -- c:/temp/testDir/bbb/base64Cert.txt
    -- c:/temp/testDir/bbb/sub1/brasil_cert.pem
    -- c:/temp/testDir/bbb/sub2/penguins.gif
    -- c:/temp/testDir/bbb/sub2/starfish.jpg
    -- c:/temp/testDir/hamlet.xml
    -- c:/temp/testDir/hello.pdf

    EXEC sp_OAMethod @zip, 'CloseZip', NULL

    EXEC @hr = sp_OADestroy @zip


END
GO