diff --git a/Cargo.lock b/Cargo.lock
index 1461584..bcb1183 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -92,6 +92,7 @@ dependencies = [
  "clap 2.31.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "term 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -159,6 +160,16 @@ dependencies = [
  "unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.39"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "typenum"
 version = "1.10.0"
@@ -223,6 +234,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum term 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5e6b677dd1e8214ea1ef4297f85dbcbed8e8cdddb561040cc998ca2551c37561"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum textwrap 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c0b59b6b4b44d867f1370ef1bd91bfb262bf07bf0ae65c202ea2fbc16153b693"
+"checksum time 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "a15375f1df02096fb3317256ce2cee6a1f42fc84ea5ad5fc8c421cfe40c73098"
 "checksum typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
 "checksum unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "bf3a113775714a22dcb774d8ea3655c53a32debae63a063acc00a91cc586245f"
 "checksum vec_map 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "887b5b631c2ad01628bbbaa7dd4c869f80d3186688f8d0b6f58774fbe324988c"
diff --git a/Cargo.toml b/Cargo.toml
index 42b5ce2..5fab93e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,3 +8,4 @@ clap = "*"
 term = "*"
 sha2 = "0.7.1"
 walkdir = "*"
+time = "*"
diff --git a/src/main.rs b/src/main.rs
index c8ae8c8..6d6385d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,6 +2,9 @@ extern crate clap;
 extern crate term;
 extern crate sha2;
 extern crate walkdir;
+extern crate time;
+
+use time::PreciseTime;
 
 use sha2::{Sha256, Digest};
 
@@ -202,6 +205,7 @@ fn main() {
         process::exit(1);
     }
 
+    let start = PreciseTime::now();
     // Walk through path 1 & 2 [Todo: threading]
     let mut children = vec![];
     let args_source = vec![args.input, args.output];
@@ -243,6 +247,12 @@ fn main() {
         println!("{}", i);
     }
 
+    // Condition: Filename (basename) Must be the same (?)
+
+    // whatever you want to do
+    let end = PreciseTime::now();
+    println!("{} seconds.", start.to(end));
+
     t.reset().unwrap();
     t.fg(term::color::CYAN).unwrap();
     println!("Cheers !");