87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os"
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"path"
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"strings"
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"time"
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)
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var (
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timeLocation *time.Location
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)
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func init() {
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// 初始化时区
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var err error
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timeLocation, err = time.LoadLocation("Local")
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if err != nil {
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log.Fatalf("LoadLocation fail: %v", err)
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}
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}
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func main() {
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fmt.Println("start processing")
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pwd, err := os.Open(".")
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if err != nil {
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log.Fatalf("os.Open . error: %v", err)
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}
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defer pwd.Close()
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pwdInfo, err := pwd.Stat()
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if err != nil {
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log.Fatalf("pwd.Stat error: %v", err)
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}
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processDir(pwdInfo, pwd, []string{})
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}
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func processDir(pwdInfo os.FileInfo, pwd *os.File, paths []string) {
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fmt.Println("processing dir ", pwdInfo.Name())
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if !pwdInfo.IsDir() {
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log.Fatalf("input file %s is not a Dir", pwdInfo.Name())
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}
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if pwd == nil {
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var err error
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path := strings.Join(paths, "/")
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pwd, err = os.Open(path + "/" + pwdInfo.Name())
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if err != nil {
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log.Fatalf("os.Open %v %s error: %v", paths, pwdInfo.Name(), err)
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}
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defer pwd.Close()
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}
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fileInfos, err := pwd.Readdir(0)
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if err != nil {
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log.Fatalf("pwd %s Readdir error: %v", pwd.Name(), err)
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}
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for _, fileInfo := range fileInfos {
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if fileInfo.IsDir() {
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processDir(fileInfo, nil, append(paths, pwdInfo.Name()))
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} else {
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ext := path.Ext(fileInfo.Name())
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switch ext {
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case ".mp4":
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processMP4(fileInfo, append(paths, pwdInfo.Name()))
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}
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}
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}
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}
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func processMP4(fileInfo os.FileInfo, paths []string) {
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filename := fileInfo.Name()
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path := strings.Join(paths, "/")
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if path != "." {
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filename = path + "/" + filename
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}
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t, err := time.ParseInLocation("20060102150405", strings.Split(fileInfo.Name(), "-")[1][:14], timeLocation)
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if err != nil {
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log.Println("Parse time fail from filename ", fileInfo.Name())
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return
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}
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fmt.Println("processing file ", filename, t.Format(time.RFC3339))
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err = os.Chtimes(filename, t, t)
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if err != nil {
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log.Printf("Chtimes file %s fail: %v\n", filename, err)
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}
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}
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