Re: :%s//\=@o/gce ignores c flag in key mapping

On 23.11.14 12:01, porphyry5 wrote:
> However I smell a rat, its so astonishingly fast, less than 2 seconds
> vs ~20 seconds for the previous version, and reports only 1050 total
> errors, against more than 3000 total before, though that did include
> good words reported as errors. I can't see that it should make any
> difference, but I note you did recommend working from the back end
> and isolating the suffix first. That's very easily done, so I think
> I'll try it as an easy check on the reliability of the result. If it
> produces exactly the same errors that would be most encouraging.

> Oh, happy day, it produces exactly the same output ...

Such testing, both coming and going, with identical results, has to
improve confidence in the new implementation. :-)

> Now just so long as my enthusiasm for quick and easy answers isn't
> blinding me to some lurking gotcha...

I am reminded of two quotes:

There are two ways of constructing a software design. One way is to make
it so simple that there are obviously no deficiencies. And the other way
is to make it so complicated that there are no obvious deficiencies.
-C.A.R. Hoare

... with proper design, the features come cheaply. This approach is
arduous, but continues to succeed. -Dennis Ritchie

I agree that associative arrays do not seem arduous enough for the
benefits they can bring to the right problem, but then, someone else has
done all the work for us.

I'd normally test with a known 100% good list, and with a list with a
known number of errors. Those lists do not need to be very long - a few
dozen words ought to suffice. The third test - grinding through a pile
of words, you have already done.

The exercise is a reminder to us all that the more lines of code we
write, the more bugs creep in undetected.

Erik

--
Sometimes you have to outsmart this stuff, it works for Murphy you know.
- Gene Heskett, on emc-users ML

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