add skripts

ps/generic/csv_collum_join.ps

@@ -0,0 +1,14 @@
+# CSV-Datei einlesen
+$data = Import-Csv -Path "C:\Users\joekun\Downloads\report.csv" -Delimiter ";"
+
+# Spaltennamen abrufen
+$spaltennamen = $data[0].PSObject.Properties.Name
+
+# Die zweite Spalte ermitteln
+$zweiteSpalte = $spaltennamen[1]
+
+# Alle Werte aus der zweiten Spalte zusammenfassen
+$zusammenfassung = ($data | ForEach-Object { $_.$zweiteSpalte }) -join " + "
+
+# Zusammenfassung ausgeben oder weiterverarbeiten
+$zusammenfassung | Out-File C:\Users\joekun\Downloads\zusammengefasst.txt

ps/generic/scan_host_network.ps

@@ -0,0 +1,30 @@
+# Lokales Subnetz automatisch ermitteln
+$localIP = (Get-NetIPAddress -AddressFamily IPv4 -InterfaceAlias Ethernet* | Where-Object {$_.PrefixLength -le 32}).IPAddress
+if (-not $localIP) { $localIP = (Get-NetIPAddress -AddressFamily IPv4 | Where-Object {$_.PrefixLength -le 32}).IPAddress }
+$subnet = ($localIP -split '\.')[0..2] -join '.'
+
+Write-Host "Scanning subnet $subnet.0/24 ..." -ForegroundColor Cyan
+
+$results = @()
+
+1..254 | ForEach-Object {
+    $ip = "$subnet.$_"
+    if (Test-Connection -ComputerName $ip -Count 1 -Quiet) {
+        # MAC-Adresse über ARP abfragen
+        $mac = (arp -a $ip | Select-String $ip) -replace '\s{2,}', ' ' | ForEach-Object { ($_ -split ' ')[1] }
+        # Hostname auflösen
+        try {
+            $hostname = ([System.Net.Dns]::GetHostEntry($ip)).HostName
+        } catch {
+            $hostname = "unbekannt"
+        }
+        $results += [PSCustomObject]@{
+            IP       = $ip
+            MAC      = $mac
+            Hostname = $hostname
+        }
+    }
+}
+
+# Ergebnisse ausgeben
+$results | Format-Table -AutoSize

ps/generic/uninstall_install_history.ps

@@ -0,0 +1,60 @@
+# --------------------------------------------
+#   SOFTWARE INSTALL / UNINSTALL HISTORY
+# --------------------------------------------
+
+Write-Host "`n=== SOFTWARE INSTALLATIONEN (Registry + Store) ===`n" -ForegroundColor Cyan
+
+# --- Installationen über Registry ---
+$regPaths = @(
+    "HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*",
+    "HKLM:\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\*",
+    "HKCU:\Software\Microsoft\Windows\CurrentVersion\Uninstall\*"
+)
+
+$installs = foreach ($path in $regPaths) {
+    Get-ItemProperty $path -ErrorAction SilentlyContinue |
+    Where-Object { $_.DisplayName -and $_.InstallDate } |
+    Select-Object @{
+        Name="Date"; Expression={
+            try {
+                [datetime]::ParseExact($_.InstallDate, "yyyyMMdd", $null)
+            } catch {
+                $null
+            }
+        }
+    }, DisplayName, DisplayVersion, Publisher, UninstallString
+}
+
+# --- Installationen über Windows Store (AppX) ---
+$appx = Get-AppxPackage |
+Select-Object @{
+    Name = "Date";
+    Expression = { $_.InstallDate }
+}, Name, Version, Publisher
+
+$allInstalls = $installs + $appx | Sort-Object Date
+
+$allInstalls | Format-Table Date, DisplayName, DisplayVersion, Publisher -AutoSize
+
+
+# --------------------------------------------
+Write-Host "`n=== SOFTWARE DEINSTALLATIONEN (Event Viewer) ===`n" -ForegroundColor Yellow
+
+# MsiInstaller Events:
+# 1034 = Uninstall
+# 11724 = Removal success
+# 11707 = Install success (info only)
+
+$events = Get-WinEvent -FilterHashtable @{
+    LogName = "Application"
+    ProviderName = "MsiInstaller"
+} -ErrorAction SilentlyContinue |
+Where-Object {
+    $_.Id -eq 1034 -or $_.Id -eq 11724
+} |
+Select-Object TimeCreated, Id, Message
+
+$events | Sort-Object TimeCreated |
+Format-Table TimeCreated, Id, Message -Wrap -AutoSize
+
+Write-Host "`nFertig!`n"