Old Prompt (2018 Mar 30)

gistfile1.txt

Function Global:prompt {
  If (!(Get-Variable MaxPrompt -ea 0 2>$Null)) { $MaxPrompt = 45 }
  $loc = "$($executionContext.SessionState.Path.CurrentLocation)"
  $Sig = " |>$('>' * $nestedPromptLevel)"
  if ($Global:MaxPromptLength) { 
    $LocLen = $Loc.length; $SigLen = $Sig.Length
    $Length = $LocLen + $SigLen   
    $Excess = $Length - $Global:MaxPromptLength
    If ($Excess -gt 0) {
      $Excess = [Math]::Min($Excess, $LocLen)    
    }
  }
  write-host -nonewline "'$Loc'$Sig" -fore Cyan -back DarkGray
  ' '
}