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Microsoft/Clear_event_logs.ps1

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+# Script by Timur@0x01337.com
+# Date: 2023-11-24
+<#
+.Description
+Clears the logs by log name.
+
+Requires administrator privileges.
+
+.PARAMETER logName
+A name of the log list to clear.
+
+.PARAMETER help
+Displays a detailed usage description of this script.
+
+.EXAMPLE
+PS> .\Clear-Event-Logs.ps1 -logName "Windows PowerShell"
+
+.EXAMPLE
+PS> .\Clear-Event-Logs.ps1 -help
+#>
+
+# Getting command line parameters
+param (
+    [parameter(Mandatory = $false)][string]$logName,
+    [parameter(Mandatory = $false)][switch]$help
+)
+
+$currentPrincipal = New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())
+$isAdmin = $currentPrincipal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)
+if (!$isAdmin) {
+    Write-Error "This script requires administrator privileges"
+    exit 1
+}
+
+# Writing help message
+if ($help) {
+    get-help $MyInvocation.MyCommand.Path -Full
+    exit 0
+}
+
+if (!$logName) {
+    Write-Error "Log name is required"
+    exit 1
+}
+
+Write-Host "Cleaning event log in [$logName]"
+try {
+    Clear-EventLog $logName -ErrorAction Stop
+}
+catch {
+    Write-Error "Can't find log list [$logName]"
+    exit 1
+}
+Write-Host "Cleaning event log in [$logName] is finished"
+
+exit 0
+
+