diff --git a/strip_suffix.py b/strip_suffix.py
index defec80..a96a31d 100644
--- a/strip_suffix.py
+++ b/strip_suffix.py
@@ -20,41 +20,47 @@ def strip_duplicate_suffix(filename):
 def main():
     # 1. Check arguments
     if len(sys.argv) < 2:
-        print("Usage: python strip_suffix.py <path_to_folder> [--apply]")
+        print("Usage: python strip_suffix.py <path_to_file_or_folder> [more_files...] [--apply]")
         print("  By default, runs in dry-run mode (preview only).")
         print("  Add --apply to actually rename the files.")
         return
 
     # 2. Parse arguments
-    raw_input = sys.argv[1].strip(' "\'')
-    input_dir = os.path.abspath(raw_input)
     apply_mode = "--apply" in sys.argv
+    args = [arg.strip(' "\'') for arg in sys.argv[1:] if arg != "--apply"]
 
-    if not os.path.isdir(input_dir):
-        print(f"Error: '{input_dir}' is not a directory.")
+    target_files = []
+
+    for arg in args:
+        abs_arg = os.path.abspath(arg)
+        if os.path.isfile(abs_arg):
+            target_files.append(abs_arg)
+        elif os.path.isdir(abs_arg):
+            # Find all files in the directory
+            for f in os.listdir(abs_arg):
+                full_path = os.path.join(abs_arg, f)
+                if os.path.isfile(full_path):
+                    target_files.append(full_path)
+        else:
+            print(f"Warning: '{arg}' does not exist.")
+
+    if not target_files:
+        print("Error: No valid files found to process.")
         return
 
-    # 3. Find all files in the directory
-    files = os.listdir(input_dir)
-    files.sort()
-
     rename_count = 0
     skip_count = 0
 
-    print(f"Scanning: {input_dir}")
     print(f"Mode: {'APPLY (will rename files)' if apply_mode else 'DRY-RUN (preview only)'}")
     print("-" * 50)
 
-    for filename in files:
-        # Only process files, not directories
-        filepath = os.path.join(input_dir, filename)
-        if not os.path.isfile(filepath):
-            continue
-
+    for filepath in target_files:
+        directory = os.path.dirname(filepath)
+        filename = os.path.basename(filepath)
         clean_name = strip_duplicate_suffix(filename)
 
         if clean_name != filename:
-            clean_path = os.path.join(input_dir, clean_name)
+            clean_path = os.path.join(directory, clean_name)
 
             # Check if the target name already exists
             if os.path.exists(clean_path):