use char

src/gopher.rs

@@ -114,8 +114,11 @@ pub fn fetch(host: &str, port: &str, selector: &str) -> io::Result<String> {
 pub fn download_url(url: &str) -> io::Result<String> {
     let (_, host, port, sel) = parse_url(url);
     let sel = sel.replace('?', "\t"); // search queries
-    let parts = sel.split_terminator("/").collect::<Vec<&str>>();
-    let filename = parts.iter().rev().nth(0).unwrap_or(&"download");
+    let filename = sel
+        .split_terminator('/')
+        .rev()
+        .nth(0)
+        .unwrap_or(&"download");
     let mut path = std::path::PathBuf::from(".");
     path.push(filename);
 
@@ -136,6 +139,7 @@ pub fn download_url(url: &str) -> io::Result<String> {
                             std::fs::OpenOptions::new()
                                 .write(true)
                                 .create(true)
+                                .truncate(true)
                                 .open(path)
                                 .and_then(|mut file| {
                                     let mut buf = [0; 1024];