docs: another example

README.md

@@ -129,7 +129,7 @@ use torrust_bencode2json::parsers::{BencodeParser};
 
 let mut output = String::new();
 
-let mut parser = BencodeParser::new(b"4:spam");
+let mut parser = BencodeParser::new(&b"4:spam"[..]);
 
 parser
   .write_str(&mut output)
@@ -138,6 +138,8 @@ parser
 println!("{output}"); // It prints the JSON string: "spam"
 ```
 
+More [examples](./examples/).
+
 ## Test
 
 Run unit and integration tests:

examples/parser_stdin_stdout.rs

@@ -0,0 +1,20 @@
+//! Run with:
+//!
+//! ```not_rust
+//! echo "4:spam" | cargo run --example parser_stdin_stdout
+//! ```
+//!
+//! It prints "spam".
+use std::io;
+
+use torrust_bencode2json::parsers::BencodeParser;
+
+fn main() {
+    let input = Box::new(io::stdin());
+    let mut output = Box::new(io::stdout());
+
+    if let Err(e) = BencodeParser::new(input).write_bytes(&mut output) {
+        eprintln!("Error: {e}");
+        std::process::exit(1);
+    }
+}