Get-WithProgress.ps1

Get-WithProgress.ps1

function Get-WithProgress {
    param(
        [string]      $Activity = 'Processing',
        [int]         $Loop = 0
    )
    # v1.0  Initial version
    # v1.1  Only increase progress AFTER processing an item

    # Collect the pipeline input ($Input) up front in an array,
    # using @(...) to force enumeration.
    $a = @($Input)
    # Count the number of input objects.
    $count = $a.Count
    if ($Loop -le 0) {
        if ($count -gt 0) {
        $Loop = [Math]::Pow(10, [Math]::Max(0, [Math]::Floor([Math]::Log10($count) - 1.5)))
        } else {
        $Loop = 1
        }
    }

    $i = 0

    # Process the input objects one by one, with progress display.
    $a | ForEach-Object {
        if ($i % $Loop -eq 0) {
            $prc = $i * 100 / $count
            Write-Progress -PercentComplete $prc -Activity $Activity -Status "$i/$count processed"
        }

        $_
        ++$i
    }

    Write-Progress -Completed -Activity $Activity
}