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SORTING MULTIDIM ARRAY BY NAME OR BY COUNT

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Sort multidimesional array using qsort

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  1. fn sortByNameOrCount arr1 arr2 type: maxtomin: =

  2. (

  3. 	local first, second

  4. 	case type of (

  5. 		(#name): (first = arr1[1] ; second = arr2[1])

  6. 		(#count): (first = arr1[2].count ; second = arr2[2].count)

  7. 	)

  8. 	case of (

  9. 		(first < second): if not maxtomin then -1 else 1

  10. 		(first > second): if not maxtomin then 1 else -1

  11. 		default:0

  12. 	)

  13. )

  14.  
  15. --example_#1 (sort by name alphabetically from Z to A)

  16. multiArr = #(#("Branko",#(1,2,3,4)), #("John",#(1)), #("Richard",#(1,2,3)), #("Stalone",#(1,2,3,4,5)), #("Michael",#(1,2)))

  17. qsort multiArr sortByNameOrCount type:#name maxtomin:true

  18. multiArr

  19. --result: #(#("Stalone", #(1, 2, 3, 4, 5)), #("Richard", #(1, 2, 3)), #("Michael", #(1, 2)), #("John", #(1)), #("Branko", #(1, 2, 3, 4)))

  20.  
  21. --example_#2 (sort by name alphabetically from A to Z)

  22. multiArr = #(#("Branko",#(1,2,3,4)), #("John",#(1)), #("Richard",#(1,2,3)), #("Stalone",#(1,2,3,4,5)), #("Michael",#(1,2)))

  23. qsort multiArr sortByNameOrCount type:#name maxtomin:false

  24. multiArr

  25. --result: #(#("Branko", #(1, 2, 3, 4)), #("John", #(1)), #("Michael", #(1, 2)), #("Richard", #(1, 2, 3)), #("Stalone", #(1, 2, 3, 4, 5)))

  26.  
  27. --example_#3 (sort by array count from max to min)

  28. multiArr = #(#("Branko",#(1,2,3,4)), #("John",#(1)), #("Richard",#(1,2,3)), #("Stalone",#(1,2,3,4,5)), #("Michael",#(1,2)))

  29. qsort multiArr sortByNameOrCount type:#count maxtomin:true

  30. multiArr

  31. --result:#(#("Stalone", #(1, 2, 3, 4, 5)), #("Branko", #(1, 2, 3, 4)), #("Richard", #(1, 2, 3)), #("Michael", #(1, 2)), #("John", #(1)))

  32.  
  33. --example_#4 (sort by array count from min to max)

  34. multiArr = #(#("Branko",#(1,2,3,4)), #("John",#(1)), #("Richard",#(1,2,3)), #("Stalone",#(1,2,3,4,5)), #("Michael",#(1,2)))

  35. qsort multiArr sortByNameOrCount type:#count maxtomin:false

  36. multiArr

  37. --result:#(#("John", #(1)), #("Michael", #(1, 2)), #("Richard", #(1, 2, 3)), #("Branko", #(1, 2, 3, 4)), #("Stalone", #(1, 2, 3, 4, 5)))

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