var log4js = require('./lib/log4js'); log4js.addAppender(log4js.consoleAppender()); log4js.addAppender(log4js.fileAppender('cheese.log'), 'cheese'); var logger = log4js.getLogger('cheese'); logger.setLevel('ERROR'); logger.trace('Entering cheese testing'); logger.debug('Got cheese.'); logger.info('Cheese is Gouda.'); logger.warn('Cheese is quite smelly.'); logger.error('Cheese is too ripe!'); logger.fatal('Cheese was breeding ground for listeria.');