Append text to file in Go
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Syntax
filePath.WriteString(content)
Examples
An example from Github.
package main
import (
"log"
"os"
)
func main() {
// Append and write to file
appendAndWriteToFile("codes/hex/1", "DE34566")
}
// Append and write to file
func appendAndWriteToFile(path string, content string) {
filePath, err := os.OpenFile(path, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Fatalln(err)
}
_, err = filePath.WriteString(content + "\n")
if err != nil {
log.Fatalln(err)
}
err = filePath.Close()
if err != nil {
log.Fatalln(err)
}
}
