A simple script to download on-demand content from Microsoft Build

Download-Build2020.ps1

param (

    # Verify the sessions file exists
    [ValidateScript( {
        if (-Not ($_ | Test-Path)) {
            throw "File does not exist"
        }
        return $true
    })]
    [System.IO.FileInfo]$InputFile,

    # Create a new directory if it does not exist
    [ValidateScript( {
        if (-Not ($_ | Test-Path)) {
            New-Item -Type Directory $_
        }
        return $true
    })]
    [System.IO.DirectoryInfo]$OutputDirectory

)

$codes = Get-Content $InputFile
$progress = 0

ForEach ($_code in $codes) {
    $progress += 1
    $percent = (($progress / $codes.count) * 100)
    Write-Progress -Activity "Downloading Session: $_code" -Status "[$progress/$($codes.count)]" -PercentComplete $percent

    if (-not (Test-Path $OutputDirectory\$_code.mp4)) {
        Start-BitsTransfer -Source "https://medius.studios.ms/video/asset/HIGHMP4/B20-$_code" -Destination "$OutputDirectory\$_code.mp4"
    }
}