diff --git a/truefile/cli.py b/truefile/cli.py
index 063c9eb..c132706 100644
--- a/truefile/cli.py
+++ b/truefile/cli.py
@@ -3,8 +3,6 @@ import os
 import imghdr
 import sys
 
-__file__
-
 @click.group()
 def cli():
     pass
@@ -16,17 +14,20 @@ def what(*args, **kwargs):
         return None
 
 @cli.command()
-def detect():
+@click.option('-s', '--showall', is_flag=True, help='Show all files regardless of detected extension mishaps', default=False)
+def detect(showall):
     path = os.getcwd()
     # Filter and map files down to absolute paths for FILES (not directories)
     files = map(lambda file : file, [file for file in os.listdir(path)]) # abspath of all files in curdir
     files = filter(os.path.isfile, files) # file not directory
     files = zip(files, map(what, files)) # get scan of file type
     files = filter(lambda x : x[1] is not None, files) # filter for only images
-    files = map(lambda x : (x[0], os.path.splitext(x[0])[1], x[1]), files)
-    largest = max(map(lambda x : len(x[0]), files))
-    print(largest)
-    print('\n'.join(map(lambda x : f'| {x[0]} -> {x[1]}', files)))
+    files = list(map(lambda x : (x[0], os.path.splitext(x[0])[1], x[1]), files)) # find just the file extension and put into tuple
+    if not showall:
+        files = list(filter(lambda x : x[1].replace('jpg', 'jpeg') != x[2], files)) # filter for differing extensions
+    largest = max(map(lambda x : len(x[0]), files)) # get length of the longest file name
+    print('\n'.join(map(lambda x : f'{x[0].ljust(largest)} | {x[1]} -> {x[2]}', files))) # print with proper spacing
+
 
 @cli.command()
 def rename():