From abe8f306373a69275194125a2b499cc0cd89eccb Mon Sep 17 00:00:00 2001
From: Gerhard Dutka <gdutka@dutka-is.de>
Date: Wed, 18 May 2022 06:34:17 +0200
Subject: [PATCH 1/2] Add Clap crate and a binary

Date:      Wed May 18 06:34:17 2022 +0200
---
 Cargo.toml      |  1 +
 README.md       |  8 ++++++++
 src/bin/wake.rs | 28 ++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+)
 create mode 100644 src/bin/wake.rs

diff --git a/Cargo.toml b/Cargo.toml
index 8a0dc8c..c68bcc5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,3 +14,4 @@ categories = ["network-programming"]
 
 [dependencies]
 hex = "~0.3"
+clap = { version = "3.1.18", features = ["derive"] }
diff --git a/README.md b/README.md
index 6b2bf78..dfd04ec 100644
--- a/README.md
+++ b/README.md
@@ -29,3 +29,11 @@ let dst = SocketAddr::from(([255,255,255,255], 9));
 
 wol.send_magic_to(src, dst);
 ```
+
+## Included binary
+
+The binary `bin/wake` may be directly used in scripts:
+
+```
+wake -m 00:11:22:33:44:55
+```
diff --git a/src/bin/wake.rs b/src/bin/wake.rs
new file mode 100644
index 0000000..93c07bf
--- /dev/null
+++ b/src/bin/wake.rs
@@ -0,0 +1,28 @@
+use clap::Parser;
+
+#[derive(Parser)]
+#[clap(about = "WakeOnLan a device. https://github.com/LesnyRumcajs/wakey.git", long_about = None)]
+struct CmdArgs {
+    /// mac address to send packet to
+    #[clap(short, long)]
+    mac: Option<String>,
+}
+fn main() {
+    let args = CmdArgs::parse();
+    if let Some(m) = args.mac {
+        let mut sep: char = '/';
+        [":", "-"].iter().for_each(|s| {
+            if m.contains(s) {
+                sep = s.chars().next().unwrap();
+            }
+        });
+        let wol = wakey::WolPacket::from_string(&m, sep);
+        if wol.send_magic().is_ok() {
+            println!("sent the magic packet.");
+        } else {
+            println!("failed to send the magic packet.");
+        }
+    } else {
+        println!("give mac address to wake up");
+    }
+}

From c71ef11df22887fcded7c9b242ac23cdaf22677d Mon Sep 17 00:00:00 2001
From: Gerhard Dutka <gdutka@dutka-is.de>
Date: Tue, 24 May 2022 12:10:01 +0200
Subject: [PATCH 2/2] wake: simplify separator check as suggested

---
 src/bin/wake.rs | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/bin/wake.rs b/src/bin/wake.rs
index 93c07bf..0c08148 100644
--- a/src/bin/wake.rs
+++ b/src/bin/wake.rs
@@ -10,12 +10,7 @@ struct CmdArgs {
 fn main() {
     let args = CmdArgs::parse();
     if let Some(m) = args.mac {
-        let mut sep: char = '/';
-        [":", "-"].iter().for_each(|s| {
-            if m.contains(s) {
-                sep = s.chars().next().unwrap();
-            }
-        });
+        let sep = m.chars().find(|ch| *ch  == ':' || *ch == '-').unwrap_or('/');
         let wol = wakey::WolPacket::from_string(&m, sep);
         if wol.send_magic().is_ok() {
             println!("sent the magic packet.");