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json.go
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/
json.go
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package filex
import (
"fmt"
"os"
json "github.com/pydio/cells/x/jsonx"
)
// Save writes configs to json file
func Save(filename string, data interface{}) error {
b, err := json.MarshalIndent(data, "", " ")
if err != nil {
return err
}
f, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0755)
if err != nil {
return err
}
defer f.Close()
if _, err := f.WriteString(fmt.Sprintf("%s", b)); err != nil {
return err
}
return nil
}
// Exists check if a file is present or not
func Exists(filename string) bool {
if _, err := os.Stat(filename); err != nil {
return false
}
return true
}
// WriteIfNotExists writes data directly inside file
func WriteIfNotExists(filename string, data string) (bool, error) {
if Exists(filename) {
return false, nil
}
dst, err := os.Create(filename)
if err != nil {
return false, err
}
defer dst.Close()
_, err = dst.WriteString(data)
if err != nil {
return false, err
}
err = dst.Sync()
if err != nil {
return false, err
}
return true, nil
}