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Re: st: RE: fine tuning do files
At 11:30 AM 10/30/2006, Nick Cox wrote:
[...]
On 2), do files can have arguments.
[...]
I might add that do files can also have -syntax-, though I suppose
that -syntax- was not intended to be used that way. And you cannot
use options in this situation, as any options you write in the
command will be picked up as options to -do- (or -run-), and not
passed on to the do file. So, you probably never would want to do
this, but it's interesting to know of the possibility.
[...]
I ignored the idea of interaction with the program
in the sense of the program asking a question. You
can do it, as documented at [P] display or in
the corresponding help, but it's not Stataish.
[...]
Yes, it is very rare, in my experience, to write code that interacts
with the user. I've done it maybe 3 times in all my years of Stata
use, and it's always been very simple queries. Here's an example,
from the very end of a do-file:
capture save products
if _rc==602 {
disp "File exists. Replace? " _req(yn)
if upper("$yn") == "Y" {
save products, replace
}
else {
disp "file not replaced"
}
}
I hope this is helpful or interesting.
--David
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