wechat_hitxy/fileinfo.go

package main

import (
	"log"
	"os"

	"github.com/rakyll/magicmime"
)

func getFileSize(s string) (size int64, err error) {
	f, err := os.Open(s)
	if err != nil {
		size = 0
		return
	}
	fi, err := f.Stat()
	if err == nil {
		size = fi.Size()
	} else {
		size = 0
	}
	return
}

func getFileMime(s string) (mimetype string, err error) {
	if err := magicmime.Open(magicmime.MAGIC_MIME_TYPE | magicmime.MAGIC_SYMLINK | magicmime.MAGIC_ERROR); err != nil {
		log.Fatal(err)
		return "", err
	}
	defer magicmime.Close()

	mimetype, err = magicmime.TypeByFile(s)
	if err != nil {
		log.Fatalf("error occured during type lookup: %v", err)
	}
	//log.Printf("mime-type: %v", mimetype)
	return
}