For more information, we had a long thread about arrays in Rev back in July (I put out a small "dissertation" on arrays at that time: http://lists.runrev.com/pipermail/use-revolution/2004-July/039379.html)
Thank you - I found it useful then (I was new to Rev at the time), and found it even more useful to go back and re-read it now, with a slightly better understanding of the different ways to do things in Rev. It should, IMHO, be in a FAQ or Wiki or some such place, not just in the mail archives.
(Wasn't someone starting a community FAQ ? )
I do have one question about it ....
Revolution: put "1,Troy,Ken,Richard"&cr&"2,Kevin,Jan,Judy" into myList split myList by CR and "," put myList[2] into tempArray --> Kevin,Jan,Judy split tempArray by "," put tempArray[1] --> Kevin
But note that this is NOT usually something you'd do in Rev... Director is designed to be able to make arrays of arrays, and although Rev can simulate this, it is not the most efficient, nor is it the best approach. One reason is that if you'll notice, I had to add line numbers before each line in myList so that when I used 'split' I could reference the array by number. Why? Because remember that no matter what it may appear to be, Rev uses associative arrays ONLY - myList[1] is NOT numeric... it is creating a *string* called "1" that is associated with the value that you give it.
I don't get it. You need the second "split" to split up the entries Kevin and Jan and Judy - so why use the second delimiter in the first split. Couldn't you just do ....
Revolution: put "Troy,Ken,Richard"&cr&"Kevin,Jan,Judy" into myList -- NB no numbers !! split myList by CR -- note - no second delimiter put myList[2] into tempArray --> Kevin,Jan,Judy split tempArray by "," put tempArray[1] --> Kevin
In any event, we really do need better array manipulation for multidimensional arrays (or simulated ones). Personally, I'd rather have the real thing if we can get it; if not, I'd accept simulated ones as long as we have accessor functions to get at the embeded data more easily.
I agree - though I'm not sure it's possible to get a good enough simulation to satisfy what I'd like.
I want to be able to do things like
put "here's the string" into myArray1["asdf"]
put myArray1 into myArray2[3]
put myArray2[3] into tVar
and have tVar now be an array.
While I'm talking about what I'd like regarding arrays, I'd love to have the multi-assignment form of a repeat structure as in PHP or Python. I know it doesn't, strictly speaking, add functionality, but I think it's a huge gain in readability. What I mean is to be able to say something like
repeat for each keyvalue K,V in myArray
-- K takes each key in turn
-- V takes the corresponding value from the arrayso it's equivalent to
repeat for each line K in the keys of myArray
put myArray[K] into V
but is (IMHO) much more readable (and probably a bit more efficient).-- Alex.
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