[eclipse-iceoryx#98] List available cli commands

iceoryx2-cli/iox2-introspect/src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("Hello, world!");
+    println!("Not implemented. Stay tuned !");
 }

iceoryx2-cli/iox2-processes/src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("Hello, world!");
+    println!("Not implemented. Stay tuned !");
 }

iceoryx2-cli/iox2-pub/src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("Hello, world!");
+    println!("Not implemented. Stay tuned !");
 }

iceoryx2-cli/iox2-rpc/src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("Hello, world!");
+    println!("Not implemented. Stay tuned !");
 }

iceoryx2-cli/iox2-services/src/main.rs

@@ -1,5 +1,3 @@
 fn main() {
-    println!("Hello, world!");
+    println!("Not implemented. Stay tuned !");
 }
-
-

iceoryx2-cli/iox2-sub/src/main.rs

@@ -1,3 +1,3 @@
 fn main() {
-    println!("Hello, world!");
+    println!("Not implemented. Stay tuned !");
 }

iceoryx2-cli/iox2/Cargo.toml

@@ -10,6 +10,4 @@ repository = { workspace = true }
 rust-version = { workspace = true }
 version = { workspace = true }
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
 [dependencies]

iceoryx2-cli/iox2/src/main.rs

@@ -1,3 +1,80 @@
+use std::env;
+use std::fs;
+use std::path::PathBuf;
+
+fn find_command_binaries_in_development_dirs() -> Vec<String> {
+    let mut commands = Vec::new();
+    let current_exe = match env::current_exe() {
+        Ok(exe) => exe,
+        Err(_) => return commands,
+    };
+    let target_dir_name = if cfg!(debug_assertions) {
+        "debug"
+    } else {
+        "release"
+    };
+    let target_dir = current_exe
+        .parent()
+        .unwrap()
+        .parent()
+        .unwrap()
+        .join(target_dir_name);
+
+    if let Ok(entries) = fs::read_dir(&target_dir) {
+        for entry in entries.filter_map(Result::ok) {
+            let path = entry.path();
+            if is_valid_command_binary(&path) {
+                if let Some(command_name) = path.file_name().and_then(|n| n.to_str()) {
+                    let stripped = command_name.strip_prefix("iox2-").unwrap_or(command_name);
+                    commands.push(stripped.to_string());
+                }
+            }
+        }
+    }
+
+    commands
+}
+
+fn find_command_binaries_in_system_path() -> Vec<String> {
+    let mut commands = Vec::new();
+    if let Ok(path_var) = env::var("PATH") {
+        for path in env::split_paths(&path_var) {
+            if let Ok(entries) = fs::read_dir(path) {
+                for entry in entries.filter_map(Result::ok) {
+                    let path = entry.path();
+                    if is_valid_command_binary(&path) {
+                        if let Some(command_name) = path.file_name().and_then(|n| n.to_str()) {
+                            commands.push(command_name.to_string());
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    commands
+}
+
+fn is_valid_command_binary(path: &PathBuf) -> bool {
+    path.is_file()
+        && path
+            .file_stem()
+            .unwrap()
+            .to_str()
+            .unwrap()
+            .starts_with("iox2-")
+        && path.extension().is_none() // Exclude files with extensions (e.g. '.d')
+}
+
 fn main() {
-    println!("Hello, world!")
+    let mut commands = find_command_binaries_in_development_dirs();
+    if commands.is_empty() {
+        commands = find_command_binaries_in_system_path();
+    }
+
+    println!("Available commands:");
+    for command in commands {
+        println!("- {}", command);
+    }
 }
+