Function Ftp-GetItem {
	<#
	.SYNOPSIS
	    Get item from FTP site.

	.DESCRIPTION
	    The Ftp-GetItem cmdlet gets item from FTP site.
		
	.PARAMETER RequestURI
	    Specifies a path to ftp location.  

	.PARAMETER LocalPath
		Local path to file location
		
	.PARAMETER User
		Specifies user name to access FTP site.
		
	.PARAMETER Pass
		Specifies password to access FTP site
		
	.PARAMETER BufferSize
		[Optional] Specifies buffer size for buffer storing FTP item data
	
	.EXAMPLE
		Ftp-GetItem -RequestURI "ftp://<ftp site>/<ftp folder>/<ftp file>" -LocalPath "C:/<path to file location>" -User "<user name>" -Pass "<password>"

	.NOTES
		Author: Jennifer Salvo
	#>   

	Param (
		[parameter(Mandatory=$true)]
		[String]$RequestURI="",
		[parameter(Mandatory=$true)]
		[String]$LocalPath="",
		[parameter(Mandatory=$true)]
		[String]$User="",
		[parameter(Mandatory=$true)]
		[String]$Pass="",
		[Int]$BufferSize=20KB
	)
	
	Try {
		[System.Net.FtpWebRequest]$Request = [System.Net.WebRequest]::Create($RequestURI)
		$Request.Credentials =  New-Object System.Net.NetworkCredential($User,$Pass)
		$Request.Method = [System.Net.WebRequestMethods+FTP]::DownloadFile 
	
		[Byte[]]$Buffer = New-Object Byte[] $BufferSize
	
		$File = New-Object IO.FileStream ($LocalPath,[IO.FileMode]::Create)
	
		$Response = $Request.GetResponse()
		$Stream  = $Response.GetResponseStream()
		
		$ReadData = 0
		$AllReadData = 0
		
		Do{
			$ReadData=$Stream.Read($Buffer,0,$Buffer.Length)
			$AllReadData +=$ReadData
			$File.Write($Buffer,0,$ReadData)
		}
		While ($ReadData -ne 0)
		
		$File.Close()
		$Response.Close()
	} Catch {
		throw "Failed to get item at $RequestURI - $Error[0]"
		exit 1
	}
}