Go tail庫

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HP團隊出的tail庫，常用於日誌收集

 

範例程式碼：

package mainimport (    "github.com/hpcloud/tail"    "fmt"    "time")func main() {    filename := "./my.log"    tailFile, 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    }    for true {        msg, ok := <- tailFile.Lines        if !ok {            fmt.Printf("tail file close reopen, filename: %s\n", tailFile.Filename)            time.Sleep(100 * time.Millisecond)            continue        }        fmt.Println("msg:", msg)    }}

 

Go tail庫