func main() {
f, err := atomicwriter.NewWriter("file.txt")
if err != nil {
log.Panic(err)
}
defer f.Close()
f.Write([]byte("Hello"))
f.Write([]byte("world"))
f.Write([]byte("\n"))
}
func (kv *kvFile) save() (err error) {
f, err := atomicwriter.NewWriter(kv.path)
if err != nil {
return err
}
defer func() {
err = f.Close()
}()
w := csv.NewWriter(f)
defer w.Flush()
kv.kvMem.Lock()
defer kv.kvMem.Unlock()
for k, v := range kv.kvMem.m {
if err := w.Write([]string{k, string(v)}); err != nil {
return err
}
}
return nil
}