SQL Server

Zip Files in a Date Range

See more Zip Examples

Demonstrates how to use the Zip.MinDate and Zip.MaxDate properties to zip only those files with a last-modified date within a date range.

Note: This example requires Chilkat v10.0.0 or greater.

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

    DECLARE @zipPath nvarchar(4000)
    SELECT @zipPath = 'c:/temp/qa_output/out.zip'

    -- Initialize the zip object with the path of the .zip to be created.
    EXEC sp_OAMethod @zip, 'NewZip', @success OUT, @zipPath

    -- The MinDate and MaxDate properties use the timestamp date/time string format.
    -- Here are some examples:
    -- YYYY-MM-DD (e.g., 2024-07-31)
    -- YYYY-MM-DDTHH:MM:SS�HH:MM (e.g., 2024-07-31T12:34:56+02:00)
    -- 2024-07-31T12:34:56Z (the "Z" denotes Zulu time, or UTC)

    -- Only append files having a last-modified date greater than 1-Jan-2017
    EXEC sp_OASetProperty @zip, 'MinDate', '2017-01-01T00:00:00Z'

    -- Also, only append files having a last-modified date less than the end of 2020
    EXEC sp_OASetProperty @zip, 'MaxDate', '2020-12-31T23:59:59Z'

    -- You don't need to specify both MinDate and MaxDate.
    -- You can specify only one or the other if needed.

    -- The MinDate/MaxDate properties apply to all of the Chilkat methods for appending files.

    -- Recursively append to the zip object the paths of the files and directories in a directory tree.
    -- At this point we are not creating the .zip, nor are we reading the contents of the files.
    -- We are simply appending references to the files and directories in the local filesystem
    -- that will get processed when WriteZip is called.
    DECLARE @recurse int
    SELECT @recurse = 1
    EXEC sp_OAMethod @zip, 'AppendFiles', @success OUT, 'c:/temp/files_to_zip', @recurse
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    EXEC sp_OASetProperty @zip, 'FileName', @zipPath
    EXEC sp_OAMethod @zip, 'WriteZip', @success OUT
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @zip, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @zip
        RETURN
      END

    EXEC sp_OAMethod @zip, 'CloseZip', NULL


    PRINT 'Success'

    EXEC @hr = sp_OADestroy @zip


END
GO