added a total-size flag, that calculates the total size of directories recursively

1 files changed, 6 insertions, 0 deletions

diff --git a/src/app.rs b/src/app.rs
index cd6709f..c386265 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -125,6 +125,12 @@ pub fn build() -> App<'static, 'static> {
                 .help("How to display size"),
         )
         .arg(
+            Arg::with_name("total-size")
+                .long("total-size")
+                .multiple(true)
+                .help("Display the total size of directories"),
+        )
+        .arg(
             Arg::with_name("date")
                 .long("date")
                 .possible_value("date")