Update

extras/powershell_greeting/install.ps1

@@ -39,6 +39,9 @@ function Get-InstalledConfigValue {
     param([string]$Name)
     if (-not (Test-Path -LiteralPath $configFile)) { return $null }
     $content = Get-Content -LiteralPath $configFile -Raw
+    # Ignore commented-out lines: the config ships an example token line, and
+    # matching it would make us probe with the placeholder as a real token.
+    $content = (@($content -split "`r?`n") | Where-Object { $_ -notmatch '^\s*#' }) -join "`n"
     $rx = '\$env:' + $Name + ' = ''([^'']*)'''
     if ($content -match $rx) { return $Matches[1] }
     return $null
@@ -142,8 +145,13 @@ if (-not $NoProfilePatch) {
             $markerBegin,
             '# Random J621 library image as the fastfetch logo (extras/powershell_greeting).',
             '$j621GreetingScript = "$env:APPDATA\j621Greeting\J621Greeting.ps1"',
+            'if (Test-Path -LiteralPath $j621GreetingScript) { . $j621GreetingScript }',
+            '# Run it again any time with: greeting',
+            'function greeting {',
+            '    if (-not (Get-Command Show-J621Greeting -ErrorAction Ignore) -and (Test-Path -LiteralPath $j621GreetingScript)) { . $j621GreetingScript }',
+            '    Show-J621Greeting',
+            '}',
             'if ((Test-Path -LiteralPath $j621GreetingScript) -and [Environment]::UserInteractive -and -not [Console]::IsOutputRedirected) {',
-            '    . $j621GreetingScript',
             '    Show-J621Greeting',
             '}',
             $markerEnd