odbtest/test/fsnotify/readfile/main.go

package main

import (
	"flag"
	"io/ioutil"
	"log"
	"os"
	"path/filepath"
	"time"
)

func main() {
	var dir = flag.String("d", "", "File path")
	flag.Parse()
	if *dir == "" {
		log.Fatal("File path is empty.")
	}

	fis, err := ioutil.ReadDir(*dir)
	if err != nil {
		log.Fatal(err)
	}
	fs := make([]*os.File, len(fis))
	for i, fi := range fis {
		f, err := os.Open(filepath.Join(*dir, fi.Name()))
		if err != nil {
			log.Fatal(err)
		}
		fs[i] = f
		if _, err = ioutil.ReadAll(f); err != nil {
			log.Fatal(err)
		}
		log.Printf("Read file %s\n", fi.Name())
	}

	time.Sleep(time.Second*86400)
}