Refresh paths every loop

Implements the path refresh at the start of each REPL loop. On this
commit, it is printing out how long it needed to refresh all the paths
in milliseconds.

1 files changed, 9 insertions, 6 deletions

diff --git a/src/main.rs b/src/main.rs
index 7fc8991..272eec1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,18 +4,21 @@ use std::io;
 use std::io::Write;
 use std::path::Path;
 use std::process::Command;
+use std::time::SystemTime;
 
 fn eval(paths: &[&str], prompt: &str) {
     let mut bins: Vec<String> = Vec::new();
 
-    for path in paths {
-        let files = fs::read_dir(path).expect("Unable to read files in your path");
-        for file in files {
-            bins.push(file.unwrap().path().display().to_string());
+    loop {
+        let now = SystemTime::now();
+        for path in paths {
+            let files = fs::read_dir(path).expect("Unable to read files in your path");
+            for file in files {
+                bins.push(file.unwrap().path().display().to_string());
+            }
         }
-    }
+        println!("Refresh: {} ms", now.elapsed().unwrap().as_millis());
 
-    loop {
         // Output the prompt
         io::stdout().flush().unwrap();
         print!("{}", prompt);