//本程序 主要功能是把A文件夹下的文件与B目录下文件对比，如果找到就覆盖到B相应的目录下。
// 用法： merge A目录 B目录
// merge.go
package main
import (
"flag"
"fmt"
"os"
"path/filepath"
"strings"
"time"
"github.com/Unknwon/com"
)
const (
IsDirectory = iota
IsRegular
IsSymlink
)
type sysFile struct {
fType int
fName string
fLink string
fSize int64
fMtime time.Time
fPerm os.FileMode
}
type F struct {
files []*sysFile
}
func (self *F) visit(path string, f os.FileInfo, err error) error {
if f == nil {
return err
}
var tp int
if f.IsDir() {
tp = IsDirectory
} else if (f.Mode() & os.ModeSymlink) > 0 {
tp = IsSymlink
} else {
tp = IsRegular
}
inoFile := &sysFile{
fName: path,
fType: tp,
fPerm: f.Mode(),
fMtime: f.ModTime(),
fSize: f.Size(),
}
self.files = append(self.files, inoFile)
return nil
}
func main() {
flag.Parse()
sourcedir := flag.Arg(0)
decdir := flag.Arg(1)
source := F{
files: make([]*sysFile, 0),
}
err := filepath.Walk(sourcedir, func(path string, f os.FileInfo, err error) error {
return source.visit(path, f, err)
})
if err != nil {
fmt.Printf("filepath.Walk() returned %v\n", err)
}
dec := F{
files: make([]*sysFile, 0),
}
err = filepath.Walk(decdir, func(path string, f os.FileInfo, err error) error {
return dec.visit(path, f, err)
})
if err != nil {
fmt.Printf("filepath.Walk() returned %v\n", err)
}
for _, v := range source.files {
if com.IsFile(v.fName) == true {
tmp1 := strings.Split(v.fName, "\\")
sourcename := tmp1[len(tmp1)-1]
for _, r := range dec.files {
if com.IsFile(r.fName) == true {
tmp2 := strings.Split(r.fName, "\\")
decname := tmp2[len(tmp2)-1]
if sourcename == decname {
fmt.Printf("the same file: %s\n", sourcename)
com.Copy(v.fName, r.fName)
}
}
}
}
}
}
