Trevor's PowerShell Prompt

gistfile1.txt

function Prompt {
    <#
    .Notes
    Author: Trevor Sullivan
    Website: https://trevorsullivan.net
    Twitter: https://twitter.com/pcgeek86
    #>
    $ATAT = @'
                   ____==========_______
        _--____   |    | ""  " "|       \
       /  )8}  ^^^| 0  |  =     |  o  0  |
     </_ +-==B vvv|""  |  =     | '  "" "|
        \_____/   |____|________|________|
                 (_(  )\________/___(  )__)
                   |\  \            /  /\    
                   | \  \          /  /\ \      
                   | |\  \        /  /  \ \    
                   (  )(  )       (  \   (  )
                    \  / /        \  \   \  \    
                     \|  |\        \  \  |  |
                      |  | )____    \  \ \  )___      
                      (  )  /  /    (  )  (/  /
                     /___\ /__/     /___\ /__/

You've discovered an AT-AT roaming Hoth!
'@
    
    if ((Get-Random -Maximum 20) -in @(9)) {
        Write-Host -ForegroundColor Cyan -Object $ATAT;
    }

    $Date = Get-Date
    $CPU = Get-CimInstance -ClassName Win32_PerfFormattedData_Counters_ProcessorInformation
    $CPUTime = $CPU.PercentProcessorTime
    
    ### NOTE: Using Get-Counter is 4x slower than using WMI performance counter classes
    #$CPUTime = Get-Counter -Counter '\Processor(*)\% Processor Time'
    #$CPUTime = $CPUTime.CounterSamples[-1].CookedValue

    ### Line 1
    Write-Host -ForegroundColor Red -Object $env:USERNAME.ToLower() -NoNewline
    Write-Host -ForegroundColor White -Object '@' -NoNewline
    Write-Host -ForegroundColor Green -Object ($env:COMPUTERNAME.ToLower() + '  ') -NoNewline
    Write-Host -ForegroundColor White -Object (Get-Location)

    ### Line 2: Performance Data
    Write-Host -ForegroundColor Cyan -Object ('CPU: {0}' -f $CPUTime)

    ### Line 3
    '$ '
}