adding help comand

Cargo.lock

@@ -689,6 +689,16 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
 
+[[package]]
+name = "news"
+version = "0.1.0"
+dependencies = [
+ "chrono",
+ "colored",
+ "reqwest",
+ "scraper",
+]
+
 [[package]]
 name = "nodrop"
 version = "0.1.14"
@@ -1075,16 +1085,6 @@ dependencies = [
  "winreg",
 ]
 
-[[package]]
-name = "rust-tldr-news"
-version = "0.1.0"
-dependencies = [
- "chrono",
- "colored",
- "reqwest",
- "scraper",
-]
-
 [[package]]
 name = "rustc_version"
 version = "0.4.0"

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "rust-tldr-news"
+name = "news"
 version = "0.1.0"
 edition = "2021"
 

README.md

@@ -19,4 +19,10 @@ curl ... | sh
 
 # Usage
 
-Show me today’s news: `rust-tldr today`
+```
+    $ news today
+```
+
+```
+    $ news help
+```

src/main.rs

@@ -31,14 +31,7 @@ fn main() {
     println!("args: {:?}", args);
 
     if args.len() == 1 {
-        println!("About");
-        println!("   news is a cli tool to get the latest tech news from tldr.tech");
-
-        println!("Usage");
-
-        println!("{}", "   $ news today".green());
-        println!("{}", "   $ news yesterday(not implemented)".blue());
-        println!("{}", "   $ news help".red());
+        print_help();
 
         return;
     }
@@ -46,10 +39,22 @@ fn main() {
     let command = &args.get(1).unwrap();
     match command.as_str() {
         "today" => get_and_display_today_news(),
+        "help" => print_help(),
         _ => println!("unknown command. use `news help` to see available commands"),
     }
 }
 
+fn print_help() {
+    println!("About");
+    println!("   news is a cli tool to get the latest tech news from tldr.tech");
+
+    println!("Usage");
+
+    println!("{}", "   $ news today".green());
+    println!("{}", "   $ news yesterday(not implemented)".blue());
+    println!("{}", "   $ news help".red());
+}
+
 fn get_and_display_today_news() {
     // format to 2023-06-05
     let today = Local::now();
@@ -83,4 +88,3 @@ fn get_and_display_today_news() {
         println!("\n");
     }
 }
-