param ($CurrentDate, $Source, $Destination, $HostName, $UserName, $Password, $Protocol, $Port, $ModeValue, $Fingerprint, $FileName1, $FileName2, $FileName3)   

try {

   function Get-Files($wildCard, [switch]$rename, $newName) {

$fileInfos = $session.EnumerateRemoteFiles($path, $wildcard, [WinSCP.EnumerationOptions]::None)

               

         foreach ($fileInfo in $fileInfos)

         {

            Write-Host "File $($fileInfo.FullName) matches mask, searching contents..."

            if($rename){

               $fullDest = (Join-Path $destination $newName )

               $fileSourcePath = [WinSCP.RemotePath]::EscapeFileMask($newName)

            }else{

               $fullDest = (Join-Path $destination $fileInfo.FullName )

               $fileSourcePath = [WinSCP.RemotePath]::EscapeFileMask($fileInfo.FullName)

            }

            $transferResult = $session.GetFiles($fileSourcePath, $fullDest)

            if (!$transferResult.IsSuccess)

            {

               # Print error (but continue with other files)

               Write-Host $transferResult.Failures[0].Message

            }

            }

     }

   $date = [datetime]::ParseExact($CurrentDate,"yyyyMMdd",$null).AddDays(-1)

   $date = $date.ToString("yyyyMMdd") 

   $wildCard1 = "$($FileName1)$($date)*"

   $wildCard2 = "$($FileName2)$($date)*"

   $wildCard3 = "$($FileName3)$($date)*"

   Add-Type -Path "E:\Program Files\WinSCP 5.7.5\WinSCPnet.dll"

   $session = New-Object WinSCP.Session

    $sessionOptions = New-Object WinSCP.SessionOptions -Property @{

        Protocol = [WinSCP.Protocol]::$Protocol

        HostName = "$($HostName)"

        UserName = "$($UserName)"

      PortNumber = $Port

        Password = "$($Password)"

      SshHostKeyFingerprint = $FingerPrint 

    }

   $sessionOptions.AddRawSettings("ProxyMethod", 3)

   $sessionOptions.AddRawSettings("ProxyHost", "proxy")

   $session.SessionLogPath = "F:\WinscpLogs\log.txt"

   $session.Open($sessionOptions)

   Write-Host "Is the session open? " $session.Opened

   Get-Files $wildCard1 

        Get-Files $wildCard2 "filename1.txt" -rename

   Get-Files $wildCard3 "filename2.txt" -rename

   

}catch{

Write-Host "Error: $($_.Exception.Message)"

      exit 1

}finally{

      $session.Dispose()

}

Write-Host "Is the session open? " $session.Opened