Most efficient way to write data out to a text file?

[Erv Young]

At 02:42 AM 6/29/2002 +0000, candiazoo at attbi.com wrote:
>Again, thank you for all of your input!  I was able to double the speed with
>only a few, minor changes.  It seems like the biggest change came when (and I
>don't know why) I was selective in importing my os, time and sys routines
>(asctime() in particular?!).  I also localized some class/function calls, used
>format strings instead of appending strings, etc.

Mike, if it would not be too much trouble, for the edifications of newbies 
like me, could you post your complete code in its before and after states, 
so we could see the matters that have been discussed, in context?

Thanks.

--Erv