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// 電子帳簿保存法なにやらで pdf ファイルが増えて // 何のファイルか分からなくなるので // 取り敢えず、自動でファイル名を変更してみる // // pdftotext を利用して pdf からテキストを取り出しそれを利用してファイル名を変更する // 今回は以下のファイルを対象にしている // 変更前: foo{数字}.pdf // 変更後: foo_{受付時刻}_{受付時刻}_{振込指定日}_{受取人}_{信用金庫名}_{支店名}.pdf package main import ( "fmt" "os" "os/exec" "path/filepath" "strconv" "strings" "github.com/dlclark/regexp2" ) type Name struct { bank string branch string reception string specified string receiver string } func main() { for i := 1; i < len(os.Args); i++ { arg := os.Args[i] dir := filepath.Dir(arg) basename := filepath.Base(arg) ext := filepath.Ext(arg) // fname := basename[0 : len(basename)-len(ext)] if strings.ToLower(ext) != ".pdf" { continue } if strings.Index(strings.ToLower(basename), "foo") != -1 { text, err := pdftotext(arg) if err != nil { fmt.Println(err) continue } // fmt.Println(i, dir, fname, ext, text) // fmt.Println("=====================") name := foo(text) newName := filepath.Join(dir, fmt.Sprintf("foo_%s_%s_%s_%s_%s%s", name.reception, name.specified, name.receiver, name.bank, name.branch, ext)) if Exists(newName) { continue } fmt.Println(arg, "==>", newName) if err = os.Rename(arg, newName); err != nil { fmt.Println(err) } } } } func pdftotext(pdf string) (text string, err error) { var out []byte out, err = exec.Command("pdftotext", pdf, "-").Output() if err != nil { return } text = string(out) return } func foo(text string) (name Name) { // Bank // re := regexp2.MustCompile(`(?m)^.*信用金庫`, 0) re := regexp2.MustCompile(`.*信用金庫`, 0) m, _ := re.FindStringMatch(text) bank := strings.TrimSpace(m.String()) // Branch re = regexp2.MustCompile(`お取引店[\s\n]+(.*)`, 0) m, _ = re.FindStringMatch(text) gps := m.Groups() branch := strings.TrimSpace(gps[1].Captures[0].String()) // Reception datetime re = regexp2.MustCompile(`受付時刻[\s\n]+(\d+)年(\d+)月(\d+)日(\d+)時(\d+)分(\d+)秒`, 0) m, _ = re.FindStringMatch(text) gps = m.Groups() reception := fmt.Sprintf("%04d-%02d-%02d_%02d%02d%02d", atoi(gps[1].Captures[0].String()), atoi(gps[2].Captures[0].String()), atoi(gps[3].Captures[0].String()), atoi(gps[4].Captures[0].String()), atoi(gps[5].Captures[0].String()), atoi(gps[6].Captures[0].String())) // Specified transfer date re = regexp2.MustCompile(`振込指定日[\s\n]+(\d+)年(\d+)月(\d+)日`, 0) m, _ = re.FindStringMatch(text) gps = m.Groups() specified := fmt.Sprintf("%04d-%02d-%02d", atoi(gps[1].Captures[0].String()), atoi(gps[2].Captures[0].String()), atoi(gps[3].Captures[0].String())) // Receiver re = regexp2.MustCompile(`受取人[\s\n]+(.*)`, 0) m, _ = re.FindStringMatch(text) gps = m.Groups() receiver := strings.TrimSpace(gps[1].Captures[0].String()) /* for i := 0; i < len(gps); i++ { for j := 0; j < len(gps[i].Captures); j++ { fmt.Println(i, j, gps[i].Captures[j].String()) } } */ // fmt.Println("bank", bank, "branch", branch, "reception", reception, "specified", specified, "receiver", receiver) return Name{ bank: bank, branch: branch, reception: reception, specified: specified, receiver: receiver, } } func Exists(filename string) bool { _, err := os.Stat(filename) return err == nil } func atoi(a string) int { i, err := strconv.Atoi(a) if err != nil { panic(err) } return i } |