37 lines
834 B
Go
37 lines
834 B
Go
package main
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import (
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"fmt"
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"github.com/hpcloud/tail"
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"time"
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)
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// tail 示例
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func main() {
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fileName := "./my.log"
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config := tail.Config{
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Location: &tail.SeekInfo{Offset: 0, Whence: 2}, //从文件的哪个地方开始读 filebeat记录了文件断点的位置
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ReOpen: true, //重新打开，切分用
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MustExist: false, //文件不存在不报错
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Poll: true,
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Follow: true, //是否跟随
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}
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tails, err := tail.TailFile(fileName, config)
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if err != nil {
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fmt.Printf("tail file error:%s\n", err)
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}
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var (
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line *tail.Line
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ok bool
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)
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for {
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line, ok = <-tails.Lines
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if !ok {
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fmt.Printf("tail file closed reopen,file name:%s\n", tails.Filename)
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time.Sleep(1 * time.Second)
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continue
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}
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fmt.Println("msg:", line.Text)
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}
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}
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