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fs.go
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/
fs.go
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package main
import (
"errors"
"io/ioutil"
"os"
"path/filepath"
)
// copyFile copies only a regular file.
func copyFile(srcPath, destPath string) error {
// check file type
fi, err := os.Stat(srcPath)
if err != nil {
return err
}
if !regular(fi) {
return errors.New("not a regular file")
}
// copy data
bs, err := ioutil.ReadFile(srcPath)
if err != nil {
return err
}
return ioutil.WriteFile(destPath, bs, fi.Mode())
}
// copyFiles copies all files from srcDir to destDir.
// All nested dirs are ignored.
func copyFiles(srcDir, destDir string) error {
fis, err := ioutil.ReadDir(srcDir)
if err != nil {
return err
}
for _, fi := range fis {
if fi.IsDir() {
continue
}
n := fi.Name()
if err = copyFile(filepath.Join(srcDir, n), filepath.Join(destDir, n)); err != nil {
return err
}
}
return nil
}
func regular(fi os.FileInfo) bool {
return fi.Mode()&os.ModeType == 0
}