add wrapper script

src/main.rs

@@ -1,11 +1,10 @@
-use std::{env::args, io::{self, BufRead, Read, stdin}};
+use std::{env::args, fs::OpenOptions, io::{self, Read, Write}};
 
 use ratatui::{
     DefaultTerminal, Frame, crossterm::event::{self, Event}, layout::{self, Constraint, Layout}, style::{Style, palette::material::{BLACK, WHITE}}, widgets::{Block, BorderType, Paragraph}
 };
 
 fn main() -> Result<(), std::io::Error> {
-    // let mut buffer = Vec::new();
     let mut buffer = String::new();
     let stdin = io::stdin();
     let mut handle = stdin.lock();
@@ -19,7 +18,15 @@ fn main() -> Result<(), std::io::Error> {
     ratatui::restore();
 
     let v = &app.options[app.index];
-    println!("{}", v);
+
+    let args = args();
+    // gets the last arg
+    let path = args.skip(1).fold(String::new(), |_last, next| next);
+    if let Ok(mut file) = OpenOptions::new().write(true).create(false).open(&path) {
+        file.write_all(v.as_bytes()).expect("Could not write all bytes");
+    } else {
+        println!("{v}");
+    }
 
     return res;
 }

wrapper.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Make a buffered FIFO queue
+mkfifo /tmp/fifo 2> /dev/null
+exec 4<> /tmp/fifo
+
+# Put the output to fd 4 and put the TUI to 2, since pipes redirect 1 by default
+cat /dev/stdin | ./target/release/select_option /proc/self/fd/4 1>&2
+
+read -r VAL < /proc/self/fd/4
+
+echo $VAL
+
+rm /tmp/fifo
+