By not counting directories, we get the correct amount of bytes

1 files changed, 2 insertions, 1 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 3535952..ca84134 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -42,7 +42,8 @@ mod aggregate {
                 match entry {
                     Ok(entry) => {
                         num_bytes += match entry.metadata {
-                            Some(Ok(m)) => m.len(),
+                            Some(Ok(ref m)) if !m.is_dir() => m.len(),
+                            Some(Ok(_)) => 0,
                             Some(Err(_)) => {
                                 res.num_errors += 1;
                                 0