changed the way lines_in() works

veritar_walk.py

@@ -28,8 +28,8 @@ import os
 import time
 
 
-BASE = '/home/grub0002/bapcxi/vault/IMBL_2018_Oct_McGillick'
-SKIP_TO_DIR = '/home/grub0002/bapcxi/vault/IMBL_2018_Oct_McGillick/output/Iodine_CT/R1820/K1/Scan2_FRC'
+BASE = '/home/grub0002/bapcxi/vault/IMBL_May2019_14379'
+SKIP_TO_DIR = '/home/grub0002/bapcxi/vault/IMBL_May2019_14379/input'
 SKIP_FORWARD = False
 JUST_SHOW_NON_TARS = False
 
@@ -63,15 +63,11 @@ def check_two_files_one_md5(files):
 
 
 def lines_in(filename):
-    """I'm using this https://stackoverflow.com/a/15074925
-    It actually gets it wrong, but I don't care; it's just to get an estimate
+    """I'm using this https://stackoverflow.com/a/22740334
     
     """
-    lines = 0
-    buffer = bytearray(2048)
     with open(filename) as f:
-        while f.readinto(buffer) > 0:
-            lines += buffer.count('\n')
+        lines = sum(line.count('\n') for line in f)
     return lines