fixed list flag not properly using sections

Cargo.lock

@@ -4,7 +4,7 @@ version = 3
 
 [[package]]
 name = "config"
-version = "0.0.1"
+version = "0.1.0"
 dependencies = [
  "toml",
 ]

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "config"
-version = "0.0.2"
+version = "0.1.0"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

src/main.rs

@@ -15,7 +15,7 @@ use toml::Value;
 
 mod error;
 
-pub const VERSION: &str = "0.0.2";
+pub const VERSION: &str = "0.1.0";
 
 fn main() -> Result<(), Box<dyn Error>>{
 	let home_dir = var("HOME").unwrap();
@@ -58,7 +58,19 @@ fn main() -> Result<(), Box<dyn Error>>{
 	}
 
 	if list {
-		for key in config.keys() {
+		let mut section = config;
+		if args.len() > 1 {
+			let mut args = args.clone();
+			args.remove(0);
+			for arg in args {
+				let i_sub = section.get(arg.as_str());
+				if i_sub.is_none() { return Ok(()); }
+				let sub = i_sub.unwrap().as_table();
+				if sub.is_none() { return Ok(()); }
+				section = sub.unwrap();
+			}
+		}
+		for key in section.keys() {
 			println!("{}", key);
 		}
 		return Ok(());
@@ -145,7 +157,7 @@ fn main() -> Result<(), Box<dyn Error>>{
 
 fn help_text() {
 	println!("config v{}", VERSION);
-	println!("Valerie Wolfe <sleeplessval@gmail.com");
+	println!("Valerie Wolfe <sleeplessval@gmail.com>");
 	println!("A configuration manager written in Rust.\n");
 	println!("USAGE:");
 	println!("\tconfig NAME\n");