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file_utils.go
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/
file_utils.go
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package fileutils
import (
"io"
"os"
"path/filepath"
)
func Open(path string) (file *os.File, err error) {
err = os.MkdirAll(filepath.Dir(path), os.ModeDir|os.ModePerm)
if err != nil {
return
}
return os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
}
func Create(path string) (file *os.File, err error) {
err = os.MkdirAll(filepath.Dir(path), os.ModeDir|os.ModePerm)
if err != nil {
return
}
return os.Create(path)
}
func CopyPathToPath(fromPath, toPath string) (err error) {
srcFileInfo, err := os.Stat(fromPath)
if err != nil {
return
}
if srcFileInfo.IsDir() {
err = os.MkdirAll(toPath, srcFileInfo.Mode())
if err != nil {
return
}
} else {
var dst *os.File
dst, err = Create(toPath)
if err != nil {
return
}
defer dst.Close()
dst.Chmod(srcFileInfo.Mode())
err = CopyPathToWriter(fromPath, dst)
}
return err
}
func CopyPathToWriter(originalFilePath string, targetWriter io.Writer) (err error) {
originalFile, err := os.Open(originalFilePath)
if err != nil {
return
}
defer originalFile.Close()
_, err = io.Copy(targetWriter, originalFile)
if err != nil {
return
}
return
}
func CopyReaderToPath(src io.Reader, targetPath string) (err error) {
destFile, err := Create(targetPath)
if err != nil {
return
}
defer destFile.Close()
_, err = io.Copy(destFile, src)
return
}