Update.

example/fswatch_demo.wren

@@ -0,0 +1,54 @@
+// retoor <retoor@molodetz.nl>
+
+import "fswatch" for FileWatcher, FsEvent
+import "timer" for Timer
+import "io" for File, FileFlags
+
+System.print("=== FSWatch Module Demo ===\n")
+
+var testFile = "/tmp/fswatch_demo.txt"
+
+System.print("--- Setting up test file ---")
+var f = File.openWithFlags(testFile, FileFlags.writeOnly | FileFlags.create | FileFlags.truncate)
+f.writeBytes("initial content", 0)
+f.close()
+System.print("Created test file: %(testFile)")
+
+System.print("\n--- Starting file watcher ---")
+var watcher = FileWatcher.new(testFile)
+var eventCount = 0
+
+watcher.start { |event|
+    eventCount = eventCount + 1
+    System.print("Event %(eventCount):")
+    System.print("  Filename: %(event.filename)")
+    System.print("  Is rename: %(event.isRename)")
+    System.print("  Is change: %(event.isChange)")
+}
+
+System.print("Watcher active: %(watcher.isActive)")
+
+System.print("\n--- Modifying file ---")
+
+Timer.immediate {
+    var f2 = File.openWithFlags(testFile, FileFlags.writeOnly | FileFlags.truncate)
+    f2.writeBytes("first modification", 0)
+    f2.close()
+    System.print("Made first modification")
+}
+
+Timer.sleep(150)
+
+Timer.immediate {
+    var f3 = File.openWithFlags(testFile, FileFlags.writeOnly | FileFlags.truncate)
+    f3.writeBytes("second modification", 0)
+    f3.close()
+    System.print("Made second modification")
+}
+
+Timer.sleep(150)
+
+System.print("\n--- Stopping watcher ---")
+watcher.stop()
+System.print("Watcher active: %(watcher.isActive)")
+System.print("Total events received: %(eventCount)")

example/sysinfo_demo.wren

@@ -0,0 +1,65 @@
+// retoor <retoor@molodetz.nl>
+
+import "sysinfo" for SysInfo
+
+var formatBytes = Fn.new { |bytes|
+    if (bytes < 1024) return "%(bytes) B"
+    if (bytes < 1024 * 1024) return "%(((bytes / 1024) * 10).floor / 10) KB"
+    if (bytes < 1024 * 1024 * 1024) return "%(((bytes / 1024 / 1024) * 10).floor / 10) MB"
+    return "%(((bytes / 1024 / 1024 / 1024) * 10).floor / 10) GB"
+}
+
+System.print("=== SysInfo Module Demo ===\n")
+
+System.print("--- System Information ---")
+System.print("Hostname: %(SysInfo.hostname)")
+System.print("Uptime: %(SysInfo.uptime) seconds")
+
+System.print("\n--- Memory Information ---")
+var total = SysInfo.totalMemory
+var free = SysInfo.freeMemory
+var used = total - free
+var resident = SysInfo.residentMemory
+var constrained = SysInfo.constrainedMemory
+
+System.print("Total: %(formatBytes.call(total))")
+System.print("Free: %(formatBytes.call(free))")
+System.print("Used: %(formatBytes.call(used))")
+System.print("Process RSS: %(formatBytes.call(resident))")
+if (constrained > 0) {
+    System.print("Constrained: %(formatBytes.call(constrained))")
+}
+
+System.print("\n--- CPU Information ---")
+var cpus = SysInfo.cpuInfo
+System.print("CPU Count: %(cpus.count)")
+
+for (i in 0...cpus.count) {
+    var cpu = cpus[i]
+    System.print("  CPU %(i): %(cpu["model"]) @ %(cpu["speed"]) MHz")
+}
+
+System.print("\n--- Load Average ---")
+var load = SysInfo.loadAverage
+System.print("1 min: %(load[0])")
+System.print("5 min: %(load[1])")
+System.print("15 min: %(load[2])")
+
+System.print("\n--- Network Interfaces ---")
+var interfaces = SysInfo.networkInterfaces
+for (name in interfaces.keys) {
+    System.print("%(name):")
+    for (addr in interfaces[name]) {
+        System.print("  %(addr["family"]): %(addr["address"])")
+        System.print("    Internal: %(addr["internal"])")
+        System.print("    Netmask: %(addr["netmask"])")
+        System.print("    MAC: %(addr["mac"])")
+    }
+}
+
+System.print("\n--- High Resolution Timer ---")
+var t1 = SysInfo.hrtime
+var t2 = SysInfo.hrtime
+System.print("Time 1: %(t1) ns")
+System.print("Time 2: %(t2) ns")
+System.print("Delta: %(t2 - t1) ns")

example/udp_demo.wren

@@ -0,0 +1,60 @@
+// retoor <retoor@molodetz.nl>
+
+import "udp" for UdpSocket, UdpMessage
+import "timer" for Timer
+import "scheduler" for Scheduler
+
+System.print("=== UDP Module Demo ===\n")
+
+System.print("--- Basic UDP Echo Server ---")
+
+var server = UdpSocket.new()
+server.bind("127.0.0.1", 8888)
+System.print("Server listening on %(server.localAddress):%(server.localPort)")
+
+var client = UdpSocket.new()
+client.bind("127.0.0.1", 0)
+System.print("Client bound to %(client.localAddress):%(client.localPort)")
+
+var messageCount = 0
+var maxMessages = 3
+
+Scheduler.add {
+    while (messageCount < maxMessages) {
+        var msg = server.receive()
+        if (msg == null) break
+
+        System.print("Server received: '%(msg[0])' from %(msg[1]):%(msg[2])")
+
+        server.send("Echo: %(msg[0])", msg[1], msg[2])
+        messageCount = messageCount + 1
+    }
+    server.close()
+    System.print("Server closed")
+}
+
+Scheduler.add {
+    var messages = ["Hello", "UDP", "World"]
+    for (m in messages) {
+        client.send(m, "127.0.0.1", 8888)
+        System.print("Client sent: '%(m)'")
+
+        var response = client.receive()
+        if (response != null) {
+            System.print("Client received: '%(response[0])'")
+        }
+    }
+    client.close()
+    System.print("Client closed")
+}
+
+Timer.sleep(500)
+
+System.print("\n--- Broadcast Configuration ---")
+var bcast = UdpSocket.new()
+bcast.bind("0.0.0.0", 0)
+bcast.setBroadcast(true)
+System.print("Broadcast enabled on port %(bcast.localPort)")
+bcast.close()
+
+System.print("\nDemo complete!")