55 lines
872 B
Go
55 lines
872 B
Go
package secondly
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import (
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"errors"
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"io/ioutil"
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"os"
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"path"
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)
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const (
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dirPerm = 0755
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filePerm = 0633
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)
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var errFileNotExist = errors.New("Config file does not exist")
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func readFile(file string) ([]byte, error) {
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if ok := fileExist(file); ok {
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return ioutil.ReadFile(file)
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}
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return nil, errFileNotExist
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}
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func writeFile(file string, body []byte) error {
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var err error
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if ok := fileExist(file); !ok {
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if err = mkdirp(file); err != nil {
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return err
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}
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}
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var fd *os.File
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if fd, err = os.OpenFile(file, os.O_TRUNC|os.O_WRONLY|os.O_CREATE, filePerm); err != nil {
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return err
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}
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defer fd.Close()
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if _, err := fd.Write(body); err != nil {
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return err
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}
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return nil
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}
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func fileExist(file string) bool {
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_, err := os.Stat(file)
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return (err == nil)
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}
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func mkdirp(file string) error {
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dir := path.Dir(file)
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return os.MkdirAll(dir, dirPerm)
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}
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