Well, that doesn't play well in revolution when it comes to the powerball
and other lottery checking software with millions of ticket cross
checking. A good lottery software (not the generator portion) only take
about an hour in PERL.
I've written several state software lottery checking systems and you.
Introduce a GUI and it slugs down.
You can go through 200,000,000 million ticket comparisons and report it in
an hour.
From my experience, Try THAT in revolution!
Best,
Andy
----- Original Message -----
From: "Jim Ault" <[EMAIL PROTECTED]>
To: "How to use Revolution" <[email protected]>
Sent: Sunday, May 18, 2008 4:02 PM
Subject: Re: [somewhat OT] Text processing question (sort of)
Is this slower or about the same? with your data set
[these are not tested, so you many need to tweak syntax]
repeat for each line LNN in myData
get myData
filter it with LNN
put line 1 of it & cr after uniqueOnly
end repeat
get put the number of lines in uniqueOnly
put the number of lines in myData & " minus dups =" & it
of course, making the target data set smaller and smaller has advantages
so adding an IF condition might defeat speed gain near end of 40000
lines...
put empty into uniqueOnly
put myData into remainingLines
put the number of lines in remainingLines into remainingCount
repeat for each line LNN in myData
filter remainingLines without LNN
get the number of lines in remainingLines
if it < remainingCount then --at least one dup found
put LNN & cr after uniqueOnly
put the number of lines in remainingLines into remainingCount
end if
end repeat
get put the number of lines in uniqueOnly
put the number of lines in myData & " minus dups =" & it
If all lines are shorter than 255 chars..
put myData into arrayFood
repeat for each line LNN in arrayFood
put LNN & tab & 1 & cr after tempVar
end repeat
--assming
split tempVar using cr and tab
put the keys of tempVar into uniqueOnly
Try these and see, not that it will be worth all the time and effort.
Once
you have a speedy solution, go on to the next task and leave the diving to
to the benchmarkers out there.
Jim Ault
Las Vegas
On 5/18/08 11:27 AM, "jbv" <[EMAIL PROTECTED]> wrote:
if anyone is interested, while trying to find the fastest way to compare
each line of a list with every other line, I found the following
technique
quite fast :
-- myData contains the 40000 lines to chack
-- myData1 is a duplicate of myData
put myData into myData1
repeat for each line j in myData
delete line 1 of myData1
repeat for each line i in myData1
end repeat
end repeat
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