A simple animated Write-Progress sample made in PowerShell

Set-AnimatedProgress.ps1

$xMessage = @()
$xMessage += "  --------------#  |   \\  //   |#  |    \\//    |#  |    //\\    |#  |   //  \\   |#  --------------".Replace( `
    "#", (" " * ($host.UI.RawUI.BufferSize.Width - 16 - 4)) )
$xMessage += " ----------------# |   \\    //   |# |    \\  //    |# |    //  \\    |# |   //    \\   |# ----------------".Replace( `
    "#", (" " * ($host.UI.RawUI.BufferSize.Width - 17 - 4)))
$chgIdx = 0

$index = 0
while($true)
{
    Write-Progress -Activity "My Activity" `
                   -Status "My Status" `
                   -PercentComplete (($index++) % 100) `
                   -CurrentOperation $xMessage[($index % 2)]
    Start-Sleep -Milliseconds 200
}