Added PowerShell script to add/remove path

installers/windows/update_path.ps1

+
+param(
+    [cmdletbinding()]
+    
+    # This parameter dictates if the path needs to be added 
+    [Parameter(Mandatory=$false,ParameterSetName="EnvironmentVariableAddOperation")]
+    [switch]
+    $Add,
+
+    # This parameter dictates if the path needs to be removed 
+    [Parameter(Mandatory=$false,ParameterSetName="EnvironmentVariableRemoveOperation")]
+    [switch]
+    $Remove,
+
+    # This parameter tells us the path inside the $PATH Environment Variable for which the operation needs to be performed
+    [Parameter(Mandatory=$true)]
+    [string]
+    $Path
+)
+
+$currentSystemPath = [Environment]::GetEnvironmentVariable("Path", [EnvironmentVariableTarget]::Machine)
+
+try {
+    if ($Add) {
+        Write-Output "[Info]:: Path needs to be added."
+        Write-Output "[Info]:: Checking if the given path already exists or not"
+
+        if ($currentSystemPath -match [Regex]::Escape($Path)) {
+            Write-Output "[Info]:: The provided path already exists in the system. Exiting now."
+        } else {
+            Write-Output "[Info]:: The given path was not found. Adding it now."
+            if ($currentSystemPath.EndsWith(";")) {
+                $newSystemPath = $currentSystemPath + $Path.Trim() + ";"
+            } else {
+                $newSystemPath = $currentSystemPath + ";" + $Path.Trim() + ";"
+            }
+            [Environment]::SetEnvironmentVariable("Path", $newSystemPath, [EnvironmentVariableTarget]::Machine)
+            Write-Output "[Info]:: Path has been added successfully."
+        }
+    } else {
+        Write-Output "[Info]:: Path needs to be added."
+        Write-Output "[Info]:: Checking if the given path already exists or not"
+
+        if ($currentSystemPath -match [Regex]::Escape($Path)) {
+            Write-Output "[Info]:: The provided path exists in the system. Removing now."
+            $newSystemPath = $currentSystemPath.Replace(($Path.Trim() + ";"), "")
+            [Environment]::SetEnvironmentVariable("Path", $newSystemPath, [EnvironmentVariableTarget]::Machine)
+        } else {
+            Write-Output "[Info]:: The given path was not found. Exiting now."
+        }
+    }
+}
+catch {
+    Write-Output "[Error]:: There was an error while execution. Please see the details below. Ensure that the script is running with administrator privileges."
+    Write-Output $_
+}
+
+Write-Output "[Exit]:: Program is now exiting"
\ No newline at end of file