Initial commit

src/bin/rwall.rs

@@ -0,0 +1,20 @@
+use clap::Parser;
+
+/// Send a message to users logged on a host.
+///
+/// The `rwall` command sends a message to the users logged into the specified host.
+/// The message to be sent can be typed in and terminated with EOF or it can be in a file
+#[derive(Debug, Parser)]
+pub struct Args {
+    /// The host to send the message to
+    host: String,
+
+    /// The file containing the message to be sent
+    #[arg(value_name = "PATH")]
+    file: Option<String>,
+}
+
+fn main() {
+    let _args = Args::parse();
+    unimplemented!()
+}