Add input file path validation

1 files changed, 16 insertions, 6 deletions

diff --git a/src/main.rs b/src/main.rs
index 408094a..932d9af 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,21 +3,31 @@ extern crate colored;
 extern crate rustyline;
 
 use colored::*;
-use clap::{Arg, App, SubCommand};
-use rustyline::error::ReadlineError;
-use rustyline::Editor;
+use clap::{Arg, App};
+// use rustyline::error::ReadlineError;
+// use rustyline::Editor;
+use std::path::Path;
+use std::process;
 
 fn main() {
     let matches = App::new("Rustcast")
         .version("0.1")
         .author("Yuval Adam")
         .about("A simple UPnP/DLNA casting player")
-        .arg(Arg::with_name("file")
+        .arg(Arg::with_name("FILE")
             .value_name("FILE")
             .help("Media file to stream")
             .index(1)
             .required(true))
         .get_matches();
-    //println!("\n{}", "Rustcast v0.1.0".color("blue").bold());
-    //println!("\n  usage: rustcast <media.file>\n");
+
+    let infile = matches.value_of("FILE").unwrap();
+
+    if Path::new(infile).exists() {
+        println!("\n{} {}\n", "Using input file:".green(), infile.green());
+    }
+    else {
+        println!("\n{} {}\n", "Input file does not exist:".red(), infile.red());
+        process::exit(1);
+    }
 }