Add Each Array Object to HashTable

Question

I have a PowerShell script, which contain an $arrayip and $hash. I want to add each IP address from $arrayip to be a name or key in my $hash hashtable.

My wrong syntax:

$arrayip = @("192.168.1.1", "192.168.1.2", "192.168.1.3")
$hash = @{
    name = "Name"
    $arrayip = "Is a server IP"
}

Bad Result for me:

PS C:\> $hash

Name                           Value                                           
----                           -----                                           
name                           Name                                            
{192.168.1.1, 192.168.1.2, ... Is a server IP

What is your desired result? Do you want the addresses to be keys or values in your hashtable? That's a fundamental difference. What do you want to do with the hash once it holds the addresses? — Ansgar Wiechers
– Ansgar Wiechers, Commented Sep 24, 2017 at 12:21
yes sir, i want to add each ip as a key, and the values are same — SchoolforDesign
– SchoolforDesign, Commented Sep 25, 2017 at 3:06

Tim Haintz · Accepted Answer · 2017-09-24 11:36:31Z

2

Is this what you mean?

$arrayips = @("192.168.1.1", "192.168.1.2", "192.168.1.3")

$foreachhash = foreach($arrayip in $arrayips)
{
    $hash = [ordered]@{'Name'=$arrayip;
                       'Is a server IP' = $arrayip
                      } #end $hash

    write-output (New-Object -Typename PSObject -Property $hash)
} #end foreach

$foreachhash

Produces:

Thanks, Tim.

edited Sep 24, 2017 at 11:36

answered Sep 24, 2017 at 10:03

Tim Haintz

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10 Comments

SchoolforDesign Over a year ago

The $hash keys in console contain one value!, i want to add each key for each IPs, for example: ip-----192.168.1.1 ip-----192.168.1.2 ip-----192.168.1.3 name-----name

Tim Haintz Over a year ago

I have updated my answer to add IP under the Name column. I also added [ordered] so that the Name column will always be first.

Tim Haintz Over a year ago

Oh, a key value pair? From this link technet.microsoft.com/en-us/library/ee692803.aspx The Key needs to be unique. $arrayips = [ordered]@{"IP1" = "192.168.1.1"; "IP2" = "192.168.1.2"; "IP3" = "192.168.1.3"} If you then check $arrayips it will look the way I think you are asking.

Tim Haintz Over a year ago

The other option is to set a variable for your whole foreach loop. Then display that. Formatting might be a bit odd as a comment. $foreachhashes = foreach($arrayip in $arrayips) { $hash = [ordered]@{'Name'='IP'; 'Is a server IP' = $arrayip } #end $hash write-output (New-Object -Typename PSObject -Property $hash) } $foreachhashes

Tim Haintz Over a year ago

Updated answer after comments.

|

Ansgar Wiechers · Accepted Answer · 2017-09-25 08:23:28Z

1

For adding the array elements as keys to an existing hashtable you could do something like this:

$arrayip = '192.168.1.1', '192.168.1.2', '192.168.1.3'
$hash    = @{ 'Name' = 'Name' }

$arrayip | ForEach-Object {
    $hash[$_] = 'Is a server IP'
}

answered Sep 25, 2017 at 8:23

Ansgar Wiechers

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Comments

Iggy Zofrin · Accepted Answer · 2017-09-24 09:59:42Z

0

This will create array of hashes, however, you still need to think what to put in "name" property in hash.

# declare array of ip hashes
$iphashes = @();
# for each array ip
for($i = 0; $i -lt $arrayip.Count; $i++){
    $hash = @{
        name = "Name";
        ip = $arrayip[$i];
    }
    # add hash to array of ip hashes
    $iphashes += $hash;
}

answered Sep 24, 2017 at 9:59

Iggy Zofrin

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1 Comment

SchoolforDesign Over a year ago

When I type $hash in console, return one value for 'ip', I want to add each IPs for each values, for example: ip-----192.168.1.1 ip-----192.168.1.2 ip-----192.168.1.3 name-----name

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