<#
.Synopsis
    Uploads file via FTP.
.Parameter path
    URL of file to upload.
.Parameter credentials
    Log-in credentials.
#>
function Set-FtpFile {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory = $true)]
        [string] $path,
        [Parameter(Mandatory = $true, ValueFromPipeline = $true)]
        [String[]] $content,
        [Parameter(Mandatory = $false)]
        [Net.ICredentials] $credentials
    )

    $request = [Net.WebRequest]::Create($path)
    $request.Method = [Net.WebRequestMethods+Ftp]::UploadFile
    if ($credentials) { $request.Credentials = $credentials }
    Set-Request($request, $content)
    try {
        $response = $request.GetResponse()
        return Get-Reponse($response);
    } catch [Net.WebException] {
        throw
    }
}