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A fancy PowerShell prompt function that should work cross-platform. See script comments for more information.
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#requires -version 5.1 | |
<# | |
Create a lined box with user and location information. The line color will indicate if the user is running elevated. | |
The prompt will also display the current date and time and a PS prompt with the PowerShell version. | |
┌─────────────────────────┐ | |
│ [BOVINE320\Jeff] D:\iso │ | |
└─────────────────────────┘ | |
[01/18/2019 09:30:53] PS v6.1.2> | |
This prompt should run cross platform, although Linux testing has been limited. | |
To use the prompt dot source the script file in your PowerShell profile script. | |
This may not display properly in the Visual Studio Code PowerShell integrated console | |
#> | |
Function prompt { | |
if ($env:userdomain -AND $env:username) { | |
$me = "$($env:userdomain)\$($env:username)" | |
} | |
elseif ($env:LOGNAME) { | |
$me = $env:LOGNAME | |
} | |
else { | |
$me = "PSUser" | |
} | |
$text = "[$me] $($executionContext.SessionState.Path.CurrentLocation)" | |
if ($IsLinux) { | |
if ($(id -g) -eq 0 ) { | |
#running as SU | |
$lineColor = "Red" | |
} | |
else { | |
$lineColor = "Green" | |
} | |
} | |
elseif ($isWindows -or $psEdition -eq 'desktop') { | |
$IsAdmin = [System.Security.Principal.WindowsPrincipal]::new([System.Security.Principal.WindowsIdentity]::GetCurrent() ).IsInRole("Administrators") | |
if ($IsAdmin) { | |
$lineColor = "Red" | |
} | |
else { | |
$lineColor = "Green" | |
} | |
} | |
else { | |
#for everything else not tested | |
$lineColor = "Yellow" | |
} | |
$top = "┌$(("─" * $($text.length+2)))┐" | |
Write-Host $top -ForegroundColor $lineColor | |
Write-Host "│ " -ForegroundColor $lineColor -NoNewline | |
Write-Host $text -NoNewline | |
Write-Host " │" -ForegroundColor $lineColor | |
$bottom = "└$(("─" * $($text.length+2)))┘" | |
Write-Host $bottom -ForegroundColor $lineColor | |
#parse out the PSVersionTable to most meaningful values | |
$ver = $(([regex]"\d+\.\d+.\d+").match($psversiontable.psversion).value) | |
Write-Host "[$(Get-Date)]" -ForegroundColor Yellow -NoNewline | |
#the prompt function needs to write something to the pipeline | |
" PS v$ver$('>' * ($nestedPromptLevel + 1)) " | |
} | |
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This function is described at https://jdhitsolutions.com/blog/powershell/6439/friday-fun-with-a-cross-platform-powershell-prompt/