PowerShell function to download a remote file, including a retry on failure parameter.

# $ErrorActionPreference = "Stop"

function DownloadWithRetry([string] $url, [string] $downloadLocation, [int] $retries)
{
    while($true)
    {
        try
        {
            Invoke-WebRequest $url -OutFile $downloadLocation
            break
        }
        catch
        {
            $exceptionMessage = $_.Exception.Message
            Write-Host "Failed to download '$url': $exceptionMessage"
            if ($retries -gt 0) {
                $retries--
                Write-Host "Waiting 10 seconds before retrying. Retries left: $retries"
                Start-Sleep -Seconds 10

            }
            else
            {
                $exception = $_.Exception
                throw $exception
            }
        }
    }
}

#
# Usage
DownloadWithRetry -url "http://example.com/file.zip" -downloadLocation "C:\Downloads\file.zip" -retries 6