My PowerShell Profile

profile.ps1

Function Get-LastCommandExecutionTime {
    <#
        .SYNOPSIS
            Gets the execution time of the last command used.
        .EXAMPLE
            Get-LastCommandExecutionTime

            Description
            -----------
            Gets the last execution time of the last command run.
    #>
    Process {
        if ($(Get-History).Count -gt 0) {
            $ts = (Get-History)[-1].EndExecutionTime - (Get-History)[-1].StartExecutionTime
            if ($ts.days -gt 0) {
                $rtrStr = "[{0}d]" -f [Math]::Round($ts.totalDays, 2)
            } elseif ($ts.hours -gt 0) {
                $rtrStr = "[{0}h]" -f [Math]::Round($ts.totalHours, 2)
            } elseif ($ts.Minutes -gt 0) {
                $rtrStr = "[{0}m]" -f [Math]::Round($ts.totalMinutes, 2)
            } elseif ($ts.Seconds -gt 0) {
                $rtrStr = "[{0}s]" -f [Math]::Round($ts.totalSeconds, 2)
            } else {
                $rtrStr = "[{0}ms]" -f [Math]::Round($ts.Milliseconds, 2)
            }
        } else {
            $rtrStr = "[0ms]"
        }
        $rtrStr
    }
}

Set-Alias -Name gt -Value Get-LastCommandExecutionTime

function prompt {
    return "$(Get-LastCommandExecutionTime) $pwd>"
}