first commit

.gitignore

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+/target

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "json"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "078e285eafdfb6c4b434e0d31e8cfcb5115b651496faca5749b88fafd4f23bfd"
+
+[[package]]
+name = "torustl"
+version = "0.1.0"
+dependencies = [
+ "json",
+]

Cargo.toml

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+[package]
+name = "torustl"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+json = "0.12.4"

src/main.rs

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+use std::str::FromStr;
+use std::io::{stdin,stdout,Write};
+use std::fs;
+use std::path::Path;
+
+fn main() {
+	let config_file = format!("{}/.config/{}", env!("HOME"), "TORustL.json");
+	let mut todo: Vec<String> = Vec::new();
+	if Path::new(&config_file).exists(){
+		let tmp = json::parse(String::from_utf8(fs::read(&config_file).unwrap()).unwrap().as_str()).unwrap();
+		for index in 0..tmp.len() {
+			todo.push(tmp[index].to_string());
+		}
+	} else {
+		let _=fs::create_dir_all(format!("{}/.config/", env!("HOME")));
+	}
+	print!(
+r#"Welcome to TORustL (TODO List in rust)
+Commands: (A)dd/New (adding with name), (R)m/Remove (removing by id or last), (L)s/List/(S)how (showing all or by id), (Q)uit.
+"#);
+	loop {
+		print!("$ ");
+		let mut input = String::new();
+		let _=stdout().flush();
+		let _=stdin().read_line(&mut input);
+		if let Some('\n')=input.chars().next_back() {input.pop();}if let Some('\r')=input.chars().next_back() {input.pop();}
+		let mut input: Vec<&str> = input.split(' ').collect();
+		match input[0].to_lowercase().as_str() {
+			"a"|"add"|"new" => {
+				if !(input.len() >= 2) {
+					println!("Error: you should give name.");
+					continue;
+				}	input.remove(0);
+				let input = input.join(" ");
+				todo.push(input.clone());
+				println!("\"{}\" added to TODO List.", input);
+			} "r"|"rm"|"remove" => {
+				if todo.len() != 0 {
+					if !(input.len() >= 2) {
+						println!("Error: you should give id.");
+						continue;
+					} if i32::from_str(input[1]).is_err() {
+						println!("Error: you should give id as decimal.");
+						continue;
+					}
+					let index = usize::from_str(input[1]).unwrap() -1;
+					//println!("l:{:?} | i:{:?} | t:{:?}", todo.len(), index+1, index+1 > todo.len());
+					if index > todo.len()-1 {
+						println!("Error, this id is bigger than TODO List length. (max: {})", todo.len());
+						continue;
+					}
+					println!("removing \"{}\" from TODO List.", todo[index]);
+					todo.remove(index);
+				} else {
+					println!("Error: TODO List is empty,");
+				}
+			} "s"|"l"|"ls"|"list"|"show" => {
+				if todo.len() == 0 {
+					println!("your TODO List is empty.");
+					continue;
+				}
+				println!("{}", todo.join("\n"));
+			} "q"|"quit" => {
+				println!("saving to \"{}\" . . .", &config_file);
+				let _=fs::write(config_file, json::from(todo.clone()).dump());
+				println!("Goodbye!");
+				break;
+			} 
+			_ => {}
+		}
+	}
+}