file stat poll golang

stat poll file.go

import (
	"fmt"
	"io"
	"log"
	"os"

	"time"
)

func main() {

	log.SetFlags(log.LstdFlags | log.Lmicroseconds)
	const N = 1000
	ticker := time.NewTicker(time.Second / N)
	var lastmodtime int64 = 0
	for range ticker.C {
		fileinfo, err := os.Stat("/tmp/foo")
		if err != nil {
			panic(err)
		}
		modtime := fileinfo.ModTime().UnixNano()
		if modtime != lastmodtime {
			lastmodtime = modtime
			fmt.Println(modtime)
		}
	}

}