Question related to print the array

Question

QUESTION 1> Suppose we have 1 array : local!arr : {a,b,b,c,c,c,d,d,d,d}. Then how we will print in the pattern like
a,
  b,b
   c,c,c
   d,d,d,d.

QUESTION 2>Suppose we have 2 - arr1: {"apple","banana","mango"},  arr2:{"a","b","c"}.
How we will print if we choose "a" then it should print "apple" , if we choose "b" then it should print "banana" , if we choose "c" , it should print "mango".

gopalk2865 · Answer

Hi [mention:6653845e210e4be9b48fd3b0ffed120b:e9ed411860ed4f2ba0265705b8793d05], for your first question my solution would be below,

a!localVariables(
  local!arr : {"a","b","b","c","c","c","d","d","d","d"},
  a!forEach(
    items: union(local!arr,local!arr),
    expression: joinarray(repeat(fv!index,fv!item))
    )
)

and for your second question , you can use the latest function a!match() to achieve what you want.

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