common-bytes.py: fix uneven line match

1 files changed, 1 insertions, 1 deletions

diff --git a/common-bytes.py b/common-bytes.py
index 362203e..b1f41ba 100755
--- a/common-bytes.py
+++ b/common-bytes.py
@@ -15,9 +15,9 @@ def read_lines(files, line_width, lines_limit):
     for line in fileinput.input(files=files):
         lineno += 1
         line = line.rstrip()
-        line_len = len(line)
         if line_width > 0:
             line = line[:line_width]
+        line_len = len(line)
         if line_width > 0 and line_len != line_width:
             print("Line {} has a different length {} (expected {})"\
                  .format(lineno, line_len, line_width),