DataFlex

Sync a Single FTP Directory Down to Local

Demonstrates the Chilkat Ftp2.SyncLocalDir method, which synchronizes files from the current remote directory into a local directory without descending into subdirectories. The first argument is the local root and the second is the download mode.

Note: The local paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

Background: This is the single-directory form of SyncLocalTree, using the same mode numbers but touching only the top level. It is the right choice when subdirectories are irrelevant or handled separately — for instance pulling new files from one drop folder without recursing into archive subfolders that would waste time to scan.

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Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoFtp
    Integer iMode
    String sTemp1

    Move False To iSuccess

    //  Demonstrates the Ftp2.SyncLocalDir method, which synchronizes files from the current remote
    //  directory into a local directory WITHOUT descending into subdirectories.  The 1st argument is
    //  the local root and the 2nd is the download mode.

    Get Create (RefClass(cComChilkatFtp2)) To hoFtp
    If (Not(IsComObjectCreated(hoFtp))) Begin
        Send CreateComObject of hoFtp
    End

    Set ComHostname Of hoFtp To "ftp.example.com"
    Set ComUsername Of hoFtp To "myFtpLogin"

    //  Normally you would not hard-code the password in source.  You should instead obtain it
    //  from an interactive prompt, environment variable, or a secrets vault.
    Set ComPassword Of hoFtp To "myPassword"

    Get ComConnect Of hoFtp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoFtp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComChangeRemoteDir Of hoFtp "public_html" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoFtp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    //  This is the single-directory (non-recursive) form of SyncLocalTree; it uses the same modes.
    //    0 = all selected files
    //    1 = files missing locally
    //    2 = missing locally, or newer on the server
    //    3 = only files that exist locally and are newer on the server
    //    5 = missing locally, or a different size
    //    6 = missing, different size, or newer on the server
    //   99 = do not download; delete local... (see docs)

    Move 2 To iMode
    Get ComSyncLocalDir Of hoFtp "qa_output/site" iMode To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoFtp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "Remote directory synced to local (top level only)."

    Get ComDisconnect Of hoFtp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoFtp To sTemp1
        Showln sTemp1
        Procedure_Return
    End



End_Procedure