func createLogger(file string, l log.LevelType, p os.FileMode) (logger *log.Logger, err error) {
var config log.Config
config.Level = l
config.TimeFormat = log.TF_DEFAULT
config.Utc = false
var f *os.File
if file == "" {
f = os.Stdout
} else {
f, err = log.OpenFile(file, p)
if err != nil {
return
}
}
logger, err = log.New(f, config)
return
}
