(SQL Server) Create .taz, .tar.Z TAR Archive

Demonstrates how to create a compressed TAR archive containing an entire directory tree. This example creates a compressed archive using Unix "Z" compression. The typical file extensions used are .tar.Z and .taz.

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

    -- The TAR component will produce a  GNU tar 1.13.x format
    -- archive by default.
    -- It is also possible to create PAX -- POSIX 1003.1-2001 format
    -- or USTAR -- POSIX 1003.1-1988 format.
    -- Set the WriteFormat property to "gnu", "pax", or "ustar" to
    -- choose the output TAR format:
    EXEC sp_OASetProperty @tar, 'WriteFormat', 'gnu'

    -- Add a directory tree to be included in the output TAR archive:
    DECLARE @success int
    EXEC sp_OAMethod @tar, 'AddDirRoot', @success OUT, '/Users/chilkat/temp/abc123'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @tar, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @tar
        RETURN
      END

    -- First write a .tar, then compress to a .Z using UnixCompress.
    EXEC sp_OAMethod @tar, 'WriteTar', @success OUT, '/Users/chilkat/testData/tar/abc123.tar'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @tar, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @tar
        RETURN
      END

    DECLARE @uc int
    -- Use "Chilkat_9_5_0.UnixCompress" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.UnixCompress', @uc OUT

    EXEC sp_OAMethod @uc, 'CompressFile', @success OUT, '/Users/chilkat/testData/tar/abc123.tar', '/Users/chilkat/testData/tar/abc123.tar.Z'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @uc, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
      END
    ELSE
      BEGIN

        PRINT 'Success.'
      END

    EXEC @hr = sp_OADestroy @tar
    EXEC @hr = sp_OADestroy @uc


END
GO