SQL Server

Download Text File into String Variable

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Download a text file directly into a string variable. 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
    DECLARE @iTmp0 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 @ftp int
    EXEC @hr = sp_OACreate 'Chilkat.Ftp2', @ftp OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OASetProperty @ftp, 'Hostname', 'ftp.someFtpServer.com'
    EXEC sp_OASetProperty @ftp, 'Username', 'myFtpUserAccount'
    EXEC sp_OASetProperty @ftp, 'Password', 'myFtpPassword'

    -- Set other possible settings...
    -- See http://www.cknotes.com/determining-ftp2-connection-settings/ 
    -- for more information about FTP connection settings.
    EXEC sp_OASetProperty @ftp, 'Passive', 1
    EXEC sp_OASetProperty @ftp, 'AuthTls', 1

    -- Connect and login to the FTP server.
    EXEC sp_OAMethod @ftp, 'Connect', @success OUT
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @ftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ftp
        RETURN
      END

    -- Change to the remote directory where the existing file is located.
    EXEC sp_OAMethod @ftp, 'ChangeRemoteDir', @success OUT, 'junk'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @ftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ftp
        RETURN
      END

    -- Download the contents of the remote file into a string variable.

    -- The GetRemoteFileTextData method assumes the remote file contains ANSI chars.
    -- To download text files containing non-ANSI text, such as utf-8, call GetRemoteFileTextC
    -- instead. (see below)
    DECLARE @fileContents nvarchar(4000)
    EXEC sp_OAMethod @ftp, 'GetRemoteFileTextData', @fileContents OUT, 'ansiText.txt'
    EXEC sp_OAGetProperty @ftp, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @ftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ftp
        RETURN
      END
    ELSE
      BEGIN

        PRINT @fileContents
      END

    -- To download a remote text file containing utf-8 chars, 
    -- call GetRemoteFileTextC and pass "utf-8" for the 2nd arg.  This tells
    -- Chilkat to interpret the incoming bytes according to the utf-8 character encoding.

    EXEC sp_OAMethod @ftp, 'GetRemoteFileTextC', @fileContents OUT, 'utf8Text.txt', 'utf-8'
    EXEC sp_OAGetProperty @ftp, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @ftp, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ftp
        RETURN
      END
    ELSE
      BEGIN

        PRINT @fileContents
      END

    EXEC sp_OAMethod @ftp, 'Disconnect', @success OUT

    EXEC @hr = sp_OADestroy @ftp


END
GO