jdhitsolutions · January 21, 2019 15:51 · Jan 21, 2019
diff --git a/BoxPrompt2.ps1 b/BoxPrompt2.ps1
@@ -0,0 +1,89 @@
+#requires -version 5.1
+
+<#
+This is a variation of the BoxPrompt code you can find at https://gist.github.com/jdhitsolutions/df808116f9234c070bdaf233418ec59b
+
+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] C:\  │
+│ 1/21/2019 10:49:22 AM │
+└───────────────────────┘
+ v5.1.17763 PS>
+
+This prompt should run cross platform, although Linux testing has been limited.
+
+┌─────────────────────┐
+│ [jeff] /home/jeff   │
+│ 1/21/19 10:49:18 AM │
+└─────────────────────┘
+ v6.1.2 PS>
+
+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 {
+        #last resort
+        $me = "PSUser"
+    }
+
+    #define lines of text to include in the box
+    $text1 = "[$me] $($executionContext.SessionState.Path.CurrentLocation)"
+    $text2 = ((Get-Date).ToString()).trim()
+
+    if ($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"
+    }
+
+    #get the length of the longest line in the box and uas that to calculate lengths and padding
+    $longest = $text1.length, $text2.length | Sort-Object | Select-Object -last 1
+    $len = $longest + 2
+    $top = "┌$(("─" * $len))┐"
+    Write-Host $top -ForegroundColor $lineColor
+    Write-Host "│ " -ForegroundColor $lineColor -NoNewline
+    Write-Host $text1.PadRight($longest, ' ') -NoNewline
+    Write-Host " │" -ForegroundColor $lineColor
+    Write-Host "│ " -ForegroundColor $lineColor -NoNewline
+    Write-Host $text2.PadRight($longest, ' ') -NoNewline -ForegroundColor yellow
+    Write-Host " │" -ForegroundColor $lineColor
+    $bottom = "└$(("─" * $len))┘"
+    Write-Host $bottom -ForegroundColor $lineColor
+
+    #parse out the PSVersionTable to most meaningful values
+    $ver = $(([regex]"\d+\.\d+.\d+").match($psversiontable.psversion).value)
+
+    #the prompt function needs to write something to the pipeline
+    " v$($ver) PS$('>' * ($nestedPromptLevel + 1)) "
+
+}
+