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Re: st: STATA 9.2 ICE

From   Nick Cox <>
Subject   Re: st: STATA 9.2 ICE
Date   Tue, 12 Apr 2011 17:24:39 +0100

The sentiment is good for programmers, but let's be clear: for users
the example shows the complete reverse.

If you have Stata 10 or 11, you would not be bitten by this problem in
the first place. If you did try it out on Stata 9.2, you would be
bitten. If you did try out on any earlier version, you would not be
able to run -ice- at all (Stata would freeze...).


On Tue, Apr 12, 2011 at 6:07 PM, Richard Williams
<> wrote:
> At 10:35 AM 4/12/2011, Nick Cox wrote:
>> -ice- is from SSC. You are asked to say where user-written commands
>> you refer to come from.
>> Almost the first thing -ice- does is
>> local cmdline : copy local 0
>> but in fact that construct is not allowed in Stata 9.2. You could
>> upgrade to Stata 11 (I doubt that Stata will sell you a copy of Stata
>> 10), or you could try replacing that line with
>> local cmdline `0'
>> except don't blame me or Patrick Royston if that does not work.
> That is one reason I like to keep old versions of Stata around. When making
> minor tweaks to a program, it is easy to zap it from working with older
> versions of Stata by using some new feature (especially if you don't even
> realize it is new). If you are adding major new functionality, it may be
> worth it, but in cases like this you might as well use the older code that
> keeps the program functional for those not blessed with the latest version
> of Stata.
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