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sivaramanm

For In loop to iterate two arrays simultaneously

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#1 ·  Posted (edited)

Is there a way to iterate two arrays with in a For...In loop as mentioned below?

Tried different syntaxes, but nothing works...

Local $aArray[2]
$aArray[0] = "aaa"
$aArray[1] = "bbb"

Local $bArray[2]
$bArray[0] = "ccc"
$bArray[1] = "ddd"

For [ $element1 $element2 ] In $aArray $bArray
ConsoleWrite($element1 & $element2)
Next
Edited by sivaramanm

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You can't do it that way, you might be able to do it with a nested for loop inside the other for loop, but you can't do it with 2 arrays like the way you tried.

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#3 ·  Posted (edited)

Something like this? (not exactly sure what you are trying to output)

Local $aArray[2]
 $aArray[0] = "aaa"
 $aArray[1] = "bbb"
Local $bArray[2]
 $bArray[0] = "ccc"
 $bArray[1] = "ddd"
If UBound($aArray) = UBound($bArray) Then
 For $i = 0 To UBound($aArray) - 1
    ConsoleWrite($aArray[$i] & " " & $bArray[$i] & @CRLF)
  Next
EndIf

output:

aaa ccc

bbb ddd

not exactly what you asked for (for...in loop) put a workaround

Edited by jdelaney
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sivaranamn,

Here's a couple of routines that may interest you.

local $arr1[5] = ['a1','a2','a3','a4','a5']
local $arr2[3] = ['b1','b2','b3']
local $arr3[9] = ['c1','c2','c3','c4','c5','c6','c7','c8','c9']

; find largest of the three arrays

local $max
$max = ubound($arr1)
if ubound($arr2) > $max then $max = ubound($arr2)
if ubound($arr3) > $max then $max = ubound($arr3)

; redim all arrays to the match the size of the largest

redim $arr1[$max]
redim $arr2[$max]
redim $arr3[$max]

; display the values of the arrays

consolewrite(stringformat('        %8s %8s %8s','$arr1','$arr2','$arr3') & @lf)
ConsoleWrite(@LF)
for $1 = 0 to $max - 1
    consolewrite(stringformat('CELL[' & $1 & '] %8s %8s %8s',$arr1[$1],$arr2[$1],$arr3[$1]) & @lf)
next

#include <array.au3>

local $a1[20] = [1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]
local $a2[10] = [1,2,3,4,5,6,7,8,9,0]
local $a3[50] = ['','',3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]
local $a4[5] = [1,2,3,4,5]
local $a5[7] = [1,2,3,4,5,6,7]

local $a10 = _array_combine($a1,$a2,$a3,$a4,$a5)

_arraydisplay($a10)

func _array_combine($arr1,$arr2,$arr3=0,$arr4=0,$arr5=0,$arr6=0,$arr7=0,$arr8=0,$arr9=0,$arr10=0)

    ;-----------------------------------------------------------------------------------------------------------------
    ; combine 2 to 10 array into 1 2D array
    ;-----------------------------------------------------------------------------------------------------------------

    ; ensure at least two arrays
    if not IsArray($arr1) or not IsArray($arr2) then return seterror(1,0,0)

    ; find # of array passed ($1 = # of arrays)
    for $1 = 1 to 10
        if not isarray(eval("arr" & $1)) then ExitLoop
    Next

    ; set # of cols variable to # of arrays in parameter
    local $num_cols = $1 - 1
    local $max_elements = 0

    ; set # elements to largest array passed
    for $1 = 1 to $num_cols
        if ubound(eval("arr" & $1)) - 1 > $max_elements then $max_elements = ubound(eval("arr" & $1))
    next

    ConsoleWrite('Formatting target array as ' & $num_cols & ' columns and ' & $max_elements & ' elements.' & @LF)

    ; define result array
    local $aTarget[$max_elements][$num_cols], $aTemp

    ; populate result array
    for $1 = 0 to $num_cols -1
        $aTemp = eval("arr" & $1+1)
        for $2 = 0 to ubound($aTemp) - 1
            $aTarget[$2][$1] = $aTemp[$2]
        Next
    next

    return $aTarget

endfunc

kylomas

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Thanks all.. will try your suggestions....

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