golang

golang

可实时读取my.log里面的内容

示例：

package mainimport ("fmt""time""github/hpcloud/tail"
)//tailf的用法示例func main() {fileName := "./my.log"config := tail.Config{ReOpen: true,           //重新打开Follow: true,			//是否跟随Location: &tail.SeekInfo{Offset:0,Whence: 2}, //从文件的哪个地方开始读MustExist: false,	//文件不存在不报错Poll: true,}tails ,err := tail.TailFile(fileName,config)if err != nil {fmt.Println("tail file failed:", err)return}var (line *tail.Lineok bool)for{line, ok = <-tails.Linesif !ok {fmt.Println("tail file close reopen:%sn",tails.Filename)time.Sleep(time.Second)continue}fmt.Println("line:",line.Text)}}

运行结果