Add date field but only on Unix hosts. Sorry friens who use Windows!

src/main.rs

@@ -2,6 +2,7 @@ use std::io::{Write, BufReader, BufRead};
 use std::net::{TcpListener, TcpStream};
 use std::fs;
 use std::string::{String};
+use std::process::Command;
 
 fn detect_media_type(filename: String) -> String {
 
@@ -111,6 +112,16 @@ fn get_page(filename: String) -> String {
 	}
 } 
 
+fn grab_time() -> String{
+	let output = Command::new("date")
+				.arg("+'%a, %d %b %Y %H:%m:%S %Z'")
+				.output()
+				.expect("failed to execute process");
+
+	return String::from_utf8_lossy(&output.stdout).to_string();
+}
+
+
 fn process_request(request: Vec<u8>) -> String { 
 	let mut input = String::from_utf8_lossy(&request).to_string();
 
@@ -187,8 +198,10 @@ fn serve(mut stream: TcpStream) {
 	let contents = get_page(resource);
 	let header = "HTTP/1.1 200 OK\r\n";
 	let content_type = format!("Content-Type: {}\r\n", mime);
-	let server = "Server: Herb/0.1.3\r\n";	
-	let extra_fields = format!("{}\r\n", server);
+	let server = "Server: Herb/0.1.4\r\n";	
+	let mut time = format!("Date: {}\r\n", grab_time());
+	time = time.replace("'","");
+	let extra_fields = format!("{}{}\r\n", server, time);
 	let response = format!("{}{}{}{}", header, content_type, extra_fields, contents);
 	
 	stream.write(response.as_bytes()).unwrap();
@@ -198,7 +211,7 @@ fn serve(mut stream: TcpStream) {
 
 
 fn main() -> std::io::Result<()> {
-	let listen = TcpListener::bind("0.0.0.0:80")?;
+	let listen = TcpListener::bind("0.0.0.0:8080")?;
 
 	for stream in listen.incoming() {
 		println!("Serving incoming stream.");