Visual FoxPro

Get the Files Affected by an FTP Sync

Demonstrates the Chilkat Ftp2.GetSyncedFiles method, which reports the relative paths affected by the most recent synchronization. The only argument is a StringTable that receives the paths (uploaded, downloaded, or deleted).

Background: A sync call reports only overall success, but you usually want to know what actually changed — for logging, for triggering follow-up work on just the new files, or to confirm an incremental sync did the minimal transfer. An empty result is meaningful too: it means everything was already up to date. Call it immediately after the sync, before another operation replaces the recorded list.

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LOCAL lnSuccess
LOCAL loFtp
LOCAL lnMode
LOCAL loSynced
LOCAL n
LOCAL i
LOCAL lcRelPath

lnSuccess = 0

*  Demonstrates the Ftp2.GetSyncedFiles method, which reports the relative paths affected by the
*  most recent synchronization operation.  The only argument is a StringTable that receives the
*  paths.

loFtp = CreateObject('Chilkat.Ftp2')

loFtp.Hostname = "ftp.example.com"
loFtp.Username = "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.
loFtp.Password = "myPassword"

lnSuccess = loFtp.Connect()
IF (lnSuccess = 0) THEN
    ? loFtp.LastErrorText
    RELEASE loFtp
    CANCEL
ENDIF

lnSuccess = loFtp.ChangeRemoteDir("public_html")
IF (lnSuccess = 0) THEN
    ? loFtp.LastErrorText
    RELEASE loFtp
    CANCEL
ENDIF

*  Perform a sync.
lnMode = 6
lnSuccess = loFtp.SyncLocalTree("qa_output/site",lnMode)
IF (lnSuccess = 0) THEN
    ? loFtp.LastErrorText
    RELEASE loFtp
    CANCEL
ENDIF

*  Get the list of files that were uploaded, downloaded, or deleted by that sync.
loSynced = CreateObject('Chilkat.StringTable')
loFtp.GetSyncedFiles(loSynced)

n = loSynced.Count
? "Affected files: " + STR(n)

FOR i = 0 TO n - 1
    lcRelPath = loSynced.StringAt(i)
    IF (loSynced.LastMethodSuccess = 0) THEN
        ? loSynced.LastErrorText
        RELEASE loFtp
        RELEASE loSynced
        CANCEL
    ENDIF

    ? lcRelPath
NEXT

lnSuccess = loFtp.Disconnect()
IF (lnSuccess = 0) THEN
    ? loFtp.LastErrorText
    RELEASE loFtp
    RELEASE loSynced
    CANCEL
ENDIF

RELEASE loFtp
RELEASE loSynced