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st: Convention for replacing an existing routine on SSC with a revision that has major syntax changes.


From   David Elliott <dcelliott@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Convention for replacing an existing routine on SSC with a revision that has major syntax changes.
Date   Wed, 25 Aug 2010 10:55:37 -0300

The subject line above almost says it all.

I have completely rewritten my file chunking routine -chunky- to use a
different and far more efficient chunking strategy using Mata for the
file I/O.  It is basically a completely different program.  I am
currently calling it -chunky_mata- to during testing to distinguish it
from -chunky- but it is my intent to completely supplant the original
routine which, quite frankly, was an ugly kludge for which I am almost
ashamed to claim ownership.

The syntax has changed from:
chunky using filename , index(#) chunk(#) saving(filename[, replace])
to
chunky using filename ,[ [peek(#) analyze] | [chunksize(#.#)
header(string) stub(string) replace]

What is the convention for replacing a routine that will "break" any
previous programs written using it?

I appreciate your guidance.

DC Elliott
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