OF/Poco directory watcher minimal example

gistfile1.txt

// ofApp.h
#include "Poco/DirectoryWatcher.h"
#include "Poco/Delegate.h"

Poco::DirectoryWatcher* watcher;
void onFileAdded(const Poco::DirectoryWatcher::DirectoryEvent& addEvent);
void onFileChanged(const Poco::DirectoryWatcher::DirectoryEvent& changeEvent);

// ofApp.cpp
watcher = new Poco::DirectoryWatcher(ofToDataPath("img"));
watcher->itemAdded += Poco::delegate(this, &ofApp::onFileAdded);
watcher->itemModified += Poco::delegate(this, &ofApp::onFileChanged);

void ofApp::onFileAdded(const Poco::DirectoryWatcher::DirectoryEvent& addEvent) {
	ofLog() << "Added: " << addEvent.item.path();
}

void ofApp::onFileChanged(const Poco::DirectoryWatcher::DirectoryEvent& changeEvent) {
	ofLog() << "Changed: " << addEvent.item.path();
}