(PowerBuilder) FTP Non-Recursive Sync Directory (Download)

See more FTP Examples

Download files from the server that have filenames matchhing a pattern, and don't yet exist in a local directory.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Ftp
integer li_Success
integer li_Mode
oleobject loo_Sb
oleobject loo_St
integer li_NumFiles
integer i
string ls_RemoteFilename

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loo_Ftp = create oleobject
// Use "Chilkat_9_5_0.Ftp2" for versions of Chilkat < 10.0.0
li_rc = loo_Ftp.ConnectToNewObject("Chilkat.Ftp2")
if li_rc < 0 then
    destroy loo_Ftp
    MessageBox("Error","Connecting to COM object failed")
    return
end if

loo_Ftp.Hostname = "ftp.example.com"
loo_Ftp.Username = "myUsername"
loo_Ftp.Password = "myPassword"
loo_Ftp.Port = 21
loo_Ftp.AuthTls = 1

// Connect and login to the FTP server.
li_Success = loo_Ftp.Connect()
if li_Success <> 1 then
    Write-Debug loo_Ftp.LastErrorText
    destroy loo_Ftp
    return
end if

// Change to the remote directory where the files are located.
// This step is only necessary if the files are not in the root directory
// of the FTP account.
li_Success = loo_Ftp.ChangeRemoteDir("qa")
if li_Success <> 1 then
    Write-Debug loo_Ftp.LastErrorText
    destroy loo_Ftp
    return
end if

// Indicate that we only want to download files with filenames ending in ".txt"
loo_Ftp.SyncMustMatch = "*.txt"

// Modes for synchronization are as follows:
// mode=0: Download all files
// mode=1: Download all files that do not exist on the local filesystem.
// mode=2: Download newer or non-existant files.
// mode=3: Download only newer files. If a file does not already exist on the local filesystem, it is not downloaded from the server.
// mode=5: Download only missing files or files with size differences.
// mode=6: Same as mode 5, but also download newer files.
// mode=99: Do not download files, but instead delete remote files that do not exist locally.
li_Mode = 1

// Download all files matching "*.txt" from the current remote ftp directory.
// The files are downloaded into c:/temp/qa_output
li_Success = loo_Ftp.SyncLocalDir("c:/temp/qa_output",li_Mode)
if li_Success <> 1 then
    Write-Debug loo_Ftp.LastErrorText
    destroy loo_Ftp
    return
end if

// We can see what files were downloaded in the SyncedFiles property,
// which lists the files one per line.
Write-Debug loo_Ftp.SyncedFiles

// Perhaps we wish to delete the files we just downloaded from the server..
loo_Sb = create oleobject
// Use "Chilkat_9_5_0.StringBuilder" for versions of Chilkat < 10.0.0
li_rc = loo_Sb.ConnectToNewObject("Chilkat.StringBuilder")

loo_Sb.Append(loo_Ftp.SyncedFiles)

loo_St = create oleobject
// Use "Chilkat_9_5_0.StringTable" for versions of Chilkat < 10.0.0
li_rc = loo_St.ConnectToNewObject("Chilkat.StringTable")

loo_St.AppendFromSb(loo_Sb)

li_NumFiles = loo_St.Count
i = 0

do while i < li_NumFiles
    ls_RemoteFilename = loo_St.StringAt(i)
    Write-Debug "Deleting " + ls_RemoteFilename + " from the FTP server"
    li_Success = loo_Ftp.DeleteRemoteFile(ls_RemoteFilename)
    if li_Success <> 1 then
        Write-Debug loo_Ftp.LastErrorText
        destroy loo_Ftp
        destroy loo_Sb
        destroy loo_St
        return
    end if

    i = i + 1
loop

li_Success = loo_Ftp.Disconnect()


destroy loo_Ftp
destroy loo_Sb
destroy loo_St