refactor: refactor

src/main.rs

@@ -1,43 +0,0 @@
-use clap::Clap;
-use std::fs::OpenOptions;
-use std::io::prelude::*;
-use std::io::{self, Read};
-
-use copyrat::{run, selection::Selection, CliOpt};
-
-fn main() {
-    let opt = CliOpt::parse();
-
-    // Copy the pane contents (piped in via stdin) into a buffer, and split lines.
-    let stdin = io::stdin();
-    let mut handle = stdin.lock();
-
-    let mut buffer = String::new();
-    handle.read_to_string(&mut buffer).unwrap();
-
-    // Execute copyrat over the buffer (will take control over stdout).
-    // This returns the selected matche.
-    let selection: Option<Selection> = run(buffer, &opt);
-
-    // Early exit, signaling no selections were found.
-    if selection.is_none() {
-        std::process::exit(1);
-    }
-
-    let Selection { text, .. } = selection.unwrap();
-
-    // Write output to a target_path if provided, else print to original stdout.
-    match opt.target_path {
-        None => println!("{}", text),
-        Some(target) => {
-            let mut file = OpenOptions::new()
-                .create(true)
-                .truncate(true)
-                .write(true)
-                .open(target)
-                .expect("Unable to open the target file");
-
-            file.write_all(text.as_bytes()).unwrap();
-        }
-    }
-}