diff --git a/fck/cktype/__init__.py b/fck/cktype/__init__.py
index 807210d..43058e5 100644
--- a/fck/cktype/__init__.py
+++ b/fck/cktype/__init__.py
@@ -6,7 +6,8 @@ CKTYPES = [
     (CRC32)
 ]
 
-def resolve(fname: str, esum: Optional[str] = None, cstype: Optional[str] = None):
+
+def resolve(fname: str, esum: Optional[str] = None, cstype: str = ""):
     """
       Checks fname input for checksum pattern and returns first match.
       Can be overridden with cstype.
diff --git a/fck/file.py b/fck/file.py
index c53f669..6e39160 100644
--- a/fck/file.py
+++ b/fck/file.py
@@ -13,10 +13,11 @@ class FILE:
         None: "\033[33m?\033[0m",
     }
 
-    def __init__(self, fpath: str, esum: Optional[str] = None):
+    def __init__(self, fpath: str, esum: Optional[str] = None, cstype: str = ""):
         self.fpath = fpath
         self.fname = path.basename(fpath)
-        self.csum, self.esum = cktype.resolve(self.fname, esum)
+        # TODO: Move out expected sum calculation
+        self.csum, self.esum = cktype.resolve(self.fname, esum, cstype)
 
     def __repr__(self):
         return self.fname
diff --git a/fck/fileutils.py b/fck/fileutils.py
index ed88883..6318ede 100644
--- a/fck/fileutils.py
+++ b/fck/fileutils.py
@@ -3,7 +3,13 @@ from os import listdir, path
 from .file import FILE
 
 
-def search(pathlist: List[str]) -> Generator[FILE, None, None]:
+def new_file(fpath: str, cstype: str = "") -> FILE:
+    if path.isfile(fpath):
+        return FILE(path.realpath(fpath), None, cstype)
+    raise FileNotFoundError(fpath)
+
+
+def search(pathlist: List[str]) -> Generator[str, None, None]:
     """
     Generate file paths from given list of Paths.
 
@@ -16,17 +22,14 @@ def search(pathlist: List[str]) -> Generator[FILE, None, None]:
     +--------+
     | Yields |
     ---------+
-    | file: Tuple[(None, str)]
-    |   file is a Tuple containing:
-    |   - a files path string
-    |   - a crc32 sum (None if unknown)
+    | file path string
     """
     for fpath in pathlist:
         if path.isfile(fpath):
             if len(fpath) > 4 and fpath[-4:] == ".sfv":
                 yield from sfv_read(fpath)
             else:
-                yield FILE(path.realpath(fpath))
+                yield fpath
             continue
         if path.isdir(fpath):
             yield from search([path.join(fpath, x) for x in listdir(fpath)])
diff --git a/scripts/fck b/scripts/fck
index 815269c..bf97aa0 100755
--- a/scripts/fck
+++ b/scripts/fck
@@ -5,10 +5,14 @@
 +---------------------------------+
 """
 
+from typing import Optional
 import argparse
 from multiprocessing import Pool
-from fck import checker, fileutils
+from fck import fileutils
 
+def check_file(path: str, bigfile: bool, cstype: str = "") -> Optional[bool]:
+    file = fileutils.new_file(path, cstype)
+    return file.check(bigfile)
 
 def main() -> None:
     """
@@ -34,8 +38,8 @@ def main() -> None:
 
     file_list = fileutils.search(args.files)
     ppool = Pool(processes=args.processes)
-    file_list_checked = ppool.starmap(checker.check, [(x, args.bigfiles)
-                                                      for x in list(file_list)])
+    file_list_checked = ppool.starmap(check_file, [(fpath, args.bigfiles, args.type)
+                                                      for fpath in list(file_list)])
     ppool.close()
     print(f"[{len([x for x in file_list_checked if x])}/{len(file_list_checked)}] Files passed")