log to stdout
log2out API is very similar (in fact it is a subset of log4js API).
varlog2out=require('log2out');varlogger=log2out.getLogger('MyCoolLogger');varname='Peter';logger.info('hello there "%s"',name,3,'String interpolation works fine.');log levels can be set using LOG4JS configuration file by setting environment variable:
export LOG4JS_CONFIG=/path/to/log4js.config.json
execute-my-cool-node.jsfile example:
{"levels": {"aLoggerName": "INFO","[all]": "WARN"}}