Array of Arrays - Print Names of Inner Arrays - Powershell

Question

I have two arrays in one outer array

$array1 = @("a", "b")
$array2 = @("c", "d")
$arrayAll = $array1, $array2

I now want to print the names "array1" , "array2" in the foreach-loop

foreach($array in $arrayAll){
    Write-Host $array
}

Which returns

a b 
c d
with the result that i want would be
$array1
$array2

While $allArray.Count still returns 2 elements. How do i print just the Array names and not what is in the Arrays ?

That information is not stored in $arrayAll. Think of a variable like a bag or a purse. If you have two bags filled with marbles - one green bag, one blue bag - and you then empty both of them into a big red bag, then you don't have "a red bag of green-bag and blue-bag marbles" - you just have "a red bag of marbles". — Mathias R. Jessen
– Mathias R. Jessen, Commented Jan 19, 2022 at 22:05

Santiago Squarzon · Accepted Answer · 2022-01-19 22:12:25Z

2

Probably not the answer you expect but this is a good place for using a hash table:

$hashAll = [ordered]@{}
$hashAll['array1'] = @("a", "b")
$hashAll['array2'] = @("c", "d")

foreach($key in $hashAll.Keys)
{
    "This is array: $key"
    $hashAll[$key]
}

answered Jan 19, 2022 at 22:12

Santiago Squarzon

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