Files
shhh/internal/clis/hmpki/file_utils.go
T

25 lines
470 B
Go

package hmpki
import (
"os"
)
// CreateFileWith Creates a new file (fails it if already exists) with the
// given content and permissions.
func createFileWith(name string, content []byte, perms os.FileMode) error {
f, err := os.OpenFile(
name,
// Write only, and fail if it alreay exists.
os.O_WRONLY|os.O_CREATE|os.O_EXCL,
perms,
)
if err != nil {
return err
}
defer f.Close()
if _, err = f.Write(content); err != nil {
return err
}
return nil
}