"newer", but not "new" :-)
'split by column' and 'split by row' appeared somewhere around 3.5 (I think)
-- Alex.
On 12/03/2011 01:11, Bob Sneidar wrote:
Wha?? There is a newer form of split and combine??
Bob
On Mar 11, 2011, at 4:42 PM, Alex Tweedly wrote:
FlexibleLearning wrote:
This is BAD...
repeat for each line L in tData
add 1 to n
put (item 1 of L/div1) into item 1 of line n of stdout
put (item 2 of L/div2) into item 2 of line n of stdout
end repeat
The use of "put ... after ..." is so efficient this may be an interesting but
insignificant aside.
But ... it occurs to me there is another approach to this problem.
Use "split by column" to separate the two columns
Then use "split by row" to convert the columns into arrays
Then use "divide<array> by<value>" to do the maths
Then combine them back again.
It's not (quite) as efficient for my simple test data as the other way, but I
think it's an interesting way to use the newer form of the split command.
on newway @t, pCol1Divisor, pCol2Divisor
set the columnDelimiter to ","
set the rowDelimiter to CR
split t by column
split t[1] by row
divide t[1] by pCol1Divisor
combine t[1] by row
split t[2] by row
divide t[2] by pCol2Divisor
combine t[2] by row
combine t by column
end newway
-- Alex.
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