ignore broken pipe + fmt

src/main.rs

@@ -176,7 +176,18 @@ fn main() -> Result<()> {
 
     if selected_app.returns_data() {
         let mut stdout = io::stdout();
-        stdout.write_all(&res).expect("Write failed");
+        let write_res = stdout.write_all(&res);
+
+        // Ignore broken pipe
+        match write_res {
+            Err(err) if err.kind() != std::io::ErrorKind::BrokenPipe => {
+                return Err(err.into());
+            }
+            Err(_) => {
+                return Ok(());
+            }
+            Ok(_) => (),
+        };
 
         /* Only add a newline when outputing to a terminal */
         if atty::is(Stream::Stdout) {

src/sliceapp.rs

@@ -242,7 +242,7 @@ mod tests {
 
     #[test]
     fn test_cli_file() {
-        let mut data : [u8; 10] = [0; 10];
+        let mut data: [u8; 10] = [0; 10];
         for i in (0..10).into_iter() {
             data[i] = i as u8;
         }
@@ -273,15 +273,21 @@ mod tests {
 
         assert_cmd::Command::cargo_bin("rsbkb")
             .expect("Could not run binary")
-            .args(&["slice", "--", &tmpfile.path().to_str().unwrap(), "-0x2", "+1"])
+            .args(&[
+                "slice",
+                "--",
+                &tmpfile.path().to_str().unwrap(),
+                "-0x2",
+                "+1",
+            ])
             .assert()
             .stdout(&b"\x08"[..])
             .success();
     }
 
     #[test]
     fn test_cli_stdin() {
-        let mut data : [u8; 10] = [0; 10];
+        let mut data: [u8; 10] = [0; 10];
         for i in (0..10).into_iter() {
             data[i] = i as u8;
         }