package osx import ( "io" "os" ) // Copy copies a file from source to destination func Copy(from, to string) error { // Open the source file for reading srcFile, err := os.Open(from) if err != nil { return err } defer srcFile.Close() // Create the destination file for writing dstFile, err := os.Create(to) if err != nil { return err } defer dstFile.Close() // Use a buffer to copy the file in chunks buf := make([]byte, 1024*1024) // 1 MB buffer // Copy the data from srcFile to dstFile _, err = io.CopyBuffer(dstFile, srcFile, buf) if err != nil { return err } return nil }