Code to convert NSDictionary to binary plist file?

FROM : David Hoerl
DATE : Tue Jun 03 21:24:34 2008

I'm using [NSDictionary writeToFile:...] to save a fairly large
dictionary as a text plist file. I found a quick and dirty hack to
convert it into a binary formatted file:

    strcpy(command, "/usr/bin/plutil -convert binary1 ");
    strcat(command, fileName);
    ret = system(command);

Yeah, I know - a real groaner - but I was in a hurry.

Am I missing something obvious? Is there code out there that can take
a dictionary and save it as a binary plist?

Thanks,

David