diff --git a/lib/fileproc.luau b/lib/fileproc.luau
index 249c8ed..ef54f97 100644
--- a/lib/fileproc.luau
+++ b/lib/fileproc.luau
@@ -31,21 +31,7 @@ local fileproc = {} :: FileProc
 ]]--
 function fileproc.collectFiles(opts: types.opts): {string}
     assert(typeof(opts) == "table", "Expected opts to be of type 'table'")
-    local filesWithWorkspace = {} 
-
-    local function processDir(dirPath)
-        for _, file in pairs(fs.readDir(dirPath)) do
-            local fullPath = dirPath .. "/" .. file
-            if fs.isDir(fullPath) then
-                processDir(fullPath)
-            elseif fs.isFile(fullPath) then
-                if opts.forceBinaryRead or core.isValidModelFile(file) then
-                    table.insert(filesWithWorkspace, fullPath)
-                end
-            end
-        end
-    end
-
+    local filesToProcess = opts.filesToProcess or {}
     if opts.directoryMode then
         if not opts.directoryPath or not fs.isDir(opts.directoryPath) then
             stdio.write(stdio.color("red"))
@@ -53,28 +39,35 @@ function fileproc.collectFiles(opts: types.opts): {string}
             stdio.write(stdio.color("reset"))
             process.exit(1)
         end
-
-        processDir(opts.directoryPath)
-
-        if #filesWithWorkspace == 0 then
+        local function readDirLoop(dirPath)
+            for _, file in pairs(fs.readDir(dirPath)) do
+                local fullPath = dirPath .. "/" .. file
+                if fs.isFile(fullPath) then
+                    if opts.forceBinaryRead or core.isValidModelFile(file) then
+                        table.insert(filesToProcess, fullPath)
+                    end
+                elseif fs.isDir(fullPath) then
+                    readDirLoop(fullPath)
+                end
+            end
+        end
+        readDirLoop(opts.directoryPath)
+        if #filesToProcess == 0 then
             stdio.write(stdio.color("yellow"))
             stdio.write(`Warning: No files found in directory {opts.directoryPath}.\n`)
             stdio.write(stdio.color("reset"))
             process.exit(0)
         end
     end
-
-    if #filesWithWorkspace == 0 then
+    if #filesToProcess == 0 then
         stdio.write(stdio.color("red"))
         stdio.write("Error: No files to process.\n")
         stdio.write(stdio.color("reset"))
         process.exit(1)
     end
-
-    return filesWithWorkspace
+    return filesToProcess
 end
 
-
 --[[
     Processes each file and checks for workspace instances.