How to create arrays of hashtable in powershell?

Question

I have an hashtable with a below structure,

$podhashtable = @{2 = '1','2' ; 3 = '3','4','5' ; 1 = '6'}

Here is the code how I achieve the above hashtable,

$podnumbers = @(2,3,1)
$podInfo = @()
$podhashtable = [ordered]@{}
$buff = 0
foreach ($pd in $podnumbers) {
    #$podInfo = @()
    for($i=0;$i -lt $pd;$i = $i+1) {
    $pod = Read-Host -Prompt "Assign the pod numbers for",$esxarray[$buff]
    $podinfo += $pod
    }

$podInfoOb = New-Object PSObject –Property $podsets
$podsets = @{$pd = $podInfo}
$podhashtable += $podsets
$buff = $buff + 1
}
Write-Output $podhashtable

I'm trying to create array of hashtable like below,

$podhashtable = @{2 = '1','2'}, @{3 = '3','4','5'}, @{1 = '6'}

What is the best way to get the above array of hashtable?

iRon · Accepted Answer · 2020-11-04 09:37:37Z

0

This question apparently refers to: How to add same keys with different values to a hashtable in powershell?

I guess you want to do this:

$buff = 0
$podnumbers = @(2,3,1,2)
$podhashtable = foreach ($pd in $podnumbers) {
    $podInfo = @{}
    for($i=0; $i -lt $pd; $i = $i+1) {
        $pod = Read-Host -Prompt "Assign the pod numbers for" # , $esxarray[$buff]
        $podinfo[$i] = $pod
        # $podInfoOb = New-Object PSObject –Property $podsets
        $podInfo
        $buff = $buff + 1
    }
}
Write-Output $podhashtable

But I can't be sure as you didn't supply a MCVE (please do so next time; e.g.: define $esxarray or leave it out).

edited Nov 4, 2020 at 9:37

answered Nov 3, 2020 at 11:47

iRon

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4 Comments

Django Unchained Over a year ago

Actually yes, but as per the question you referenced didn't satisfy my objective coz hashtable doesn't allow duplicate keys. Though of using arrays of hashtable so I can add duplicate keys with different values

iRon Over a year ago

I am not sure whether I understand what the issue remains. I have added a duplicate key ($podnumbers = @(2,3,1,2)) to the (updated) answer, which is based on 2. or you might create a list (array) of hash tables

Django Unchained Over a year ago

i have tried your method which allows adding duplicate keys but it merges the values of duplicate keys together, I wish to add duplicate keys with different values and represent the keys independently

iRon Over a year ago

You can do that by placing the $podInfo (and $buff = $buff + 1) inside the for loop. (I have updated the answer accordingly).

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