cli

src/main.rs

@@ -1,16 +1,24 @@
+use clap::*;
 fn main() {
-    println!("Hello, world!");
-
-    let pattern = std::env::args().nth(1).expect("no pattern given");
-    let path = std::env::args().nth(2).expect("no path given");
-    let args = Cli {
-      pattern: pattern,
-      //path: std::path::PathBuf::from(path),
-  };
-    println!("{}",args.pattern)
+  let app = App::new("sclient")
+    .arg(Arg::with_name("pattern")
+      .long("pattern")
+      .takes_value(true));
+    // println!("Hello, world!");
+//
+let matches = app.get_matches();
+    // let pattern = std::env::args().nth(1).expect("no pattern given");
+    // let path = std::env::args().nth(2).expect("no path given");
+  //   let args = Cli {
+  //     pattern: pattern,
+  //     //path: std::path::PathBuf::from(path),
+  // };
+    println!("{}",matches.value_of("pattern").unwrap());
 }
 
 // cargo run test
+// target/debug/sclient --help
+// target/debug/sclient --pattern=kevin
 
 struct Cli {
     pattern: String,