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package main
import (
"bufio"
"flag"
"fmt"
"io/ioutil"
"os"
"regexp"
"strings"
"time"
)
const OUTDIR = "output"
type Note struct {
Title string
Contents string
Updated time.Time
}
func main() {
flag.Parse()
args := flag.Args()
file, err := os.Open(args[0])
if err != nil {
fmt.Println("file error")
os.Exit(1)
}
defer file.Close()
sc := bufio.NewScanner(file)
if _, err := os.Stat(OUTDIR); err != nil {
if err = os.Mkdir(OUTDIR, 0777); err != nil {
fmt.Printf("make dir ./%s failed", OUTDIR)
os.Exit(1)
}
}
var inContents = false
var note Note
for sc.Scan() {
text := sc.Text()
if strings.Contains(text, "<title>") {
re := regexp.MustCompile(".+<title>(.+)</title>.+")
note.Title = re.ReplaceAllString(text, "$1") + ".txt"
} else if strings.Contains(text, "<en-note") {
if strings.Contains(text, "</en-note>") {
re := regexp.MustCompile(".*<en-note>(.+)</en-note>.*")
contents := re.ReplaceAllString(text, "$1")
note.Contents = note.Contents + "\n" + contents
} else {
inContents = true
}
} else if strings.Contains(text, "</en-note>") {
inContents = false
} else if inContents {
note.Contents = note.Contents + "\n" + text
} else if strings.Contains(text, "<updated>") {
re := regexp.MustCompile(".+<updated>(.+)</updated>.+")
timeString := re.ReplaceAllString(text, "$1")
note.Updated, _ = time.Parse("20060102T150405Z", timeString)
re = regexp.MustCompile("</?[a-zA-Z]+/?>")
note.Contents = re.ReplaceAllString(note.Contents, "")
note.Title = strings.Replace(note.Title, "/", "-", -1)
path := OUTDIR + "/" + note.Title
ioutil.WriteFile(path, []byte(note.Contents+"\n"), 0666)
if err := os.Chtimes(path, note.Updated, note.Updated); err != nil {
fmt.Printf("write error %s\n", path)
}
note.Contents = ""
}
}
}
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