golangHow to write text to file
package main
import (
"os"
)
func main() {
s := []byte("hello go!")
os.WriteFile("/tmp/go.txt", s, 0755)
}ctrl + cpackage maindefault package declaration | func main() {declare |
"os"include operating-system level library | []byte("hello go!")sample bytes to write to file |
os.WriteFilewrite specified content to given file | /tmp/go.txtpath to file to write content to |
0755set file permissions after writing | |
Usage example
package main
import (
"fmt"
"os"
)
func main() {
s := []byte("hello go!")
os.WriteFile("/tmp/go.txt", s, 0755)
t, e := os.ReadFile("/tmp/go.txt")
if e == nil {
fmt.Println(string(t))
}
}output
hello go!