(PowerShell) Get Create Date/Time of Files in a Remote Directory

Gets the creation date/times of files in a remote FTP directory.

Note: Linux and MacOSX filesystems do not keep a file's creation date/time. If the FTP server is running on such as system, then the Chilkat methods to return a creation date/time will instead return a last-modified date/time.

Also Note: FTP servers have differing capabilities. The "MLSD" command is not supported by all FTP servers. For such servers, only the last-modified date/time is returned per file or directory. Also, the precision of the date/time can vary.

Also, even if MLSD is supported, the server may not return "create" times. A sample MLSD response without "create" times is shown here:

MLSD
150 Opening data channel for directory listing of "/AAWorkarea"

(DirListingCharset: utf-8)
listing size = 1258
type=file;modify=20170915140700;size=1224; 2012-05-12T12_25_23.1481154Z.txt
type=file;modify=20170915140700;size=1297; 2012-05-12T12_25_27.2577797Z.txt
type=dir;modify=20180425163206; chilkat-9.5.0-php-5.6-win32
type=file;modify=20180425163146;size=3768683; chilkat-9.5.0-php-5.6-win32.zip
type=file;modify=20180222182447;size=9487872; chilkat_electron18_win32-9.50.72.tar
type=file;modify=20180222182447;size=3612565; chilkat_electron18_win32-9.50.72.tgz
type=dir;modify=20180903155724; DotNet4_CSharp_Sample
type=file;modify=20180227230517;size=469; meteorNotes.txt
type=dir;modify=20180227225933; my_cool_app
type=dir;modify=20180222183126; package
type=file;modify=20180214223538;size=9487872; package.tar
type=file;modify=20180214223538;size=3612484; package.tgz
type=dir;modify=20180312233811; phpAx
type=dir;modify=20170526002148; smartconnect_terminalemulatorR1.0.0.1
type=file;modify=20180503225204;size=21900478; smartconnect_terminalemulatorR1.0.0.1.zip
type=file;modify=20180503225117;size=1152; smartPay.txt
type=dir;modify=20180514140507; testVc10
type=dir;modify=20180612143825; thinlaunch
type=dir;modify=20180925173446; WindowsFormsApplication1
226 Successfully transferred "/AAWorkarea"

The original creation time of a file is only available if the "create" fact is returned in the MLSD response. See RFC 3659 - Format of Facts / Standard Facts

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# 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 = "myLogin"
$ftp.Password = "myPassword"
# Use explicit TLS
$ftp.AuthTls = $true
$ftp.Port = 21

# For debugging, turn on session logging so we can examine what is sent by the server.
$ftp.KeepSessionLog = $true

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

$ftp.ChangeRemoteDir("AAWorkarea")

$ftp.ListPattern = "*.*"
$n = $ftp.GetDirCount()
$("n = " + $n)

$i = 0
while ($i -lt $n) {
    # Get the original creation date/time as a CkDateTime object.
    $dt = $ftp.GetCreateDt($i)
    $([string]$i + ": " + $ftp.GetFilename($i) + ", " + $dt.GetAsTimestamp($false))

    $i = $i + 1
}

# Show the session log so we can see the details of the FTP directory listing sent by the server.
# This tells us what information is available.  Some FTP servers provide better and more accurate information
# than others.

$("---- Session Log ----")
$($ftp.SessionLog)

$ftp.Disconnect()