安装导入
go get github.com/hpcloud/tail import "github.com/hpcloud/tail"
使用
package main import ( "fmt" "github.com/hpcloud/tail" "time" ) func main() { filename := "E:\project\kafka_2.12-0.11.0.0\config\server.properties" //filename := ".\my.log" tails, err := tail.TailFile(filename, tail.Config{ ReOpen: true, Follow: true, //Location: &tail.SeekInfo{Offset: 0, Whence: 2}, MustExist: false, Poll: true, }) if err != nil { fmt.Println("tail file err:", err) return } var msg *tail.Line var ok bool for true { msg, ok = <-tails.Lines if !ok { fmt.Printf("tail file close reopen, filename:%s ", tails.Filename) time.Sleep(100 * time.Millisecond) continue } fmt.Println("msg:", msg) } }