Reading and Replacing Values fromtext files

[monsterlegend99 (Monster)]

How to read a line from a file and replace it?

i want to replace these string, i have tried reading lines and storing their text in a variable. Like this : fileIO, err := os.OpenFile("my.txt", os.O_RDWR, 0600) if err != nil { fmt.Println("Error ELOP0 ! Contact Support") } defer fileIO.Close() rawBytes, err := ioutil.ReadAll(fileIO) if err != nil { fmt.Println("Error EROP99X! Contact Support") } lines := strings.Split(string(rawBytes), "\n") …

please check it