Fix scan functionality

detector.luau

@@ -1,16 +1,27 @@
 local process = require("@lune/process")
 local fs = require("@lune/fs")
 local roblox = require("@lune/roblox")
+local stdio = require("@lune/stdio")
 
-local args = process.args()
+local args = process.args
+
+if #args < 1 then
+    stdio.write(stdio.color("red"))
+    stdio.write("Error: Please provide a file path as an argument.")
+    stdio.write(stdio.color("reset"))
+    process.exit(1)
+end
 
 local fileFromArgs: string = fs.readFile(args[1])
 
 
-function scanForWorkspace(model: Model): boolean
+function scanForWorkspace(model: {Instance}): boolean
-    for _index, child in model:GetDescendants() do
+    for _index, child in ipairs(model) do
         if child:IsA("Workspace") then
             return true
+        else
+            local children = child:GetChildren()
+            scanForWorkspace(children)
         end
     end
     return false
@@ -21,4 +32,14 @@ function containsWorkspace(fileContents: string): boolean
     return scanForWorkspace(instances)
 end 
 
-containsWorkspace(fileFromArgs)
+function formatResult(result: boolean, fileName: string): string
+    if result then
+        return `File {fileName} contains a Workspace instance.`
+    else
+        return `File {fileName} does not contain a Workspace instance.`
+    end
+end
+
+local result = formatResult(containsWorkspace(fileFromArgs), args[1])
+
+print(result)