append in golang code example

Example 1: append to file in golang

f, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
if err != nil {
    panic(err)
}

defer f.Close()

if _, err = f.WriteString(text); err != nil {
    panic(err)
}

Example 2: go add to slice

var s []int
s = append(s, 0)

Tags:

Go Example

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