1 files changed, 17 insertions, 7 deletions
diff --git a/src/main.rs b/src/main.rs
index 290ddda..8966028 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,10 +1,20 @@
-use cat::{Cli, Result};
+use catr::{run, Cli, HELP};
 
-/// I assumed I should keep this "DIY". I would  most likely use some "de facto" external
-/// libraries like `clap`, `serde`, ect.
+fn main() {
+    let cli = match Cli::parse() {
+        Ok(cli) => cli,
+        Err(err) => {
+            eprintln!("{}\n{}", err, HELP);
+            std::process::exit(1);
+        }
+    };
 
-fn main() -> Result<()> {
-    let cli = Cli::parse()?;
-
-    cli.run()
+    if cli.opts.help {
+        println!("{}", HELP)
+    } else if cli.opts.version {
+        println!("catr (rust port of cat) v{}", env!("CARGO_PKG_VERSION"))
+    } else if let Err(err) = run(cli) {
+        eprintln!("{}", err);
+        std::process::exit(1);
+    }
 }