Get-Resource.ps1
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function Get-Resource { param ( [Parameter(Mandatory,ValueFromPipeline)] [string] $Url, [Parameter(Mandatory)] [string] $FolderPath, [string] $Message = 'Download', [Parameter(Mandatory)] [ValidateRange(1,100)] [int] $ThrottleLimit ) begin { # get the download tool for the current operating system # if the tool isn't present yet, its latest release will be downloaded from github $executable = Get-BinaryDownloadCommand Push-Location Set-Location -Path $FolderPath [Environment]::CurrentDirectory = $FolderPath } process { # download file to current folder: $percent = 0 # start downloading and pipe all output streams (including errors) # the download always goes to the filesystem. The piped streams are messages # and progress indicators such as the current download percentage: $null = & $executable --concurrent-fragments $ThrottleLimit $url *>&1 | # eliminate null values Where-Object { ![string]::IsNullOrEmpty($_) } | # process each message emitted by the tool: ForEach-Object { # extract percentage from status text: if ($_-match '(\d{1,2}\.\d)%') { # always use maximum value seen to fix multithreading effects: $percent = [Math]::Max([double]$matches[1], $percent) } # show the current message in a progress bar and report the current progress percentage (if available): Write-Progress -Activity $Message -Status $_ -PercentComplete $percent } } end { Pop-Location } } |