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package main
import (
"fmt"
"github.com/russross/blackfriday"
"io/ioutil"
"os"
"path/filepath"
"strings"
)
// 定义一个访问者结构体
type Visitor struct{}
func (self *Visitor) visit(path string, f os.FileInfo, err error) error {
if f == nil {
return err
}
if f.IsDir() {
return nil
} else if (f.Mode() & os.ModeSymlink) > 0 {
return nil
} else {
if strings.HasSuffix(f.Name(), ".md") {
fmt.Println(f)
file, err := os.Open(f.Name())
if err != nil {
return err
}
input, _ := ioutil.ReadAll(file)
output := blackfriday.MarkdownCommon(input)
var out *os.File
if out, err = os.Create(strings.Replace(f.Name(), ".md", ".html", -1)); err != nil {
fmt.Fprintf(os.Stderr, "Error creating %s: %v", f.Name(), err)
os.Exit(-1)
}
defer out.Close()
if _, err = out.Write(output); err != nil {
fmt.Fprintln(os.Stderr, "Error writing output:", err)
os.Exit(-1)
}
}
}
return nil
}
func main() {
v := &Visitor{}
err := filepath.Walk("./", func(path string, f os.FileInfo, err error) error {
return v.visit(path, f, err)
})
if err != nil {
fmt.Printf("filepath.Walk() returned %v\n", err)
}
}