PowerShell

FTP Non-Recursive Sync Directory (Download)

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

Add-Type -Path "C:\chilkat\ChilkatDotNet47-x64\ChilkatDotNet47.dll"

$success = $false

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

$ftp = New-Object Chilkat.Ftp2

$ftp.Hostname = "ftp.example.com"
$ftp.Username = "myUsername"
$ftp.Password = "myPassword"
$ftp.Port = 21
$ftp.AuthTls = $true

# Connect and login to the FTP server.
$success = $ftp.Connect()
if ($success -ne $true) {
    $($ftp.LastErrorText)
    exit
}

# 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.
$success = $ftp.ChangeRemoteDir("qa")
if ($success -ne $true) {
    $($ftp.LastErrorText)
    exit
}

# Indicate that we only want to download files with filenames ending in ".txt"
$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.
$mode = 1

# Download all files matching "*.txt" from the current remote ftp directory.
# The files are downloaded into c:/temp/qa_output
$success = $ftp.SyncLocalDir("c:/temp/qa_output",$mode)
if ($success -ne $true) {
    $($ftp.LastErrorText)
    exit
}

# Perhaps we wish to delete the files we just downloaded from the server..
$st = New-Object Chilkat.StringTable
$ftp.GetSyncedFiles($st)

$numFiles = $st.Count
$i = 0

while ($i -lt $numFiles) {
    $remoteFilename = $st.StringAt($i)
    $("Deleting " + $remoteFilename + " from the FTP server")
    $success = $ftp.DeleteRemoteFile($remoteFilename)
    if ($success -ne $true) {
        $($ftp.LastErrorText)
        exit
    }

    $i = $i + 1
}

$success = $ftp.Disconnect()