neo-go/pkg/wire/util/io/io.go

17 lines
280 B
Go
Raw Normal View History

2019-02-25 22:44:14 +00:00
package fileutils
import (
"os"
)
func UpdateFile(filename string, data []byte) error {
f, err := os.OpenFile(filename, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
dataWNewline := append(data, []byte("\n")...)
_, err = f.Write(dataWNewline)
err = f.Close()
return err
}