1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/twox-hash/src/bin/hash_file.rs b/vendor/twox-hash/src/bin/hash_file.rs
new file mode 100644
index 000000000..509b48d68
--- /dev/null
+++ b/vendor/twox-hash/src/bin/hash_file.rs
@@ -0,0 +1,28 @@
+use std::env;
+use std::fs::File;
+use std::hash::Hasher;
+use std::io::{BufRead, BufReader};
+use twox_hash::XxHash64;
+
+fn main() {
+    for arg in env::args().skip(1) {
+        let f = File::open(&arg).unwrap();
+        let mut f = BufReader::new(f);
+
+        let mut hasher = XxHash64::with_seed(0);
+
+        loop {
+            let consumed = {
+                let bytes = f.fill_buf().unwrap();
+                if bytes.is_empty() {
+                    break;
+                }
+                hasher.write(bytes);
+                bytes.len()
+            };
+            f.consume(consumed);
+        }
+
+        println!("{:16x}   {}", hasher.finish(), arg);
+    }
+}