.NET Framework - how to assign values to array and how to create array via variable

Asked By Fran

13-Mar-07 03:59 PM

Hi,

I need to assign values to an array, but they may not be in order. ie,

$ar[0] = "test"
but I get the error:

Array assignment failed because index '0' was out of range.
At line:1 char:5
+ $ar[0 <<<< ] = "test"

I can add them in sequence, via: $ar += "test" but I cannot add via specific
element.

Also, is there a way to create an array via a variable name, ie:

$var1 = "testname"

$(`$var1`) = @()

The goal is to create an array $testname.

Thanks in advance,

Frank

13-Mar-07 05:18 PM

You can create an array like this:
$varArray = "Value1","Value2","Value3","Value4","Value5"

and append values as you noted:
$varArray += "Value6"

I don't think you can just randomly assign a value to an arbitrary element.
Changing an arbitrary element is easy though.  So what I have done in the
past is something like this:

$Arr = 1..20
$Arr[2] = "Value1"
$Arr[6] = "Value6"
$Arr += 1..10

for more info:
get-help about_array

~Clint

23-Mar-07 04:37 PM

For your first question, will the array be full when you are done? If so,
Clint's response is correct.

If you don't plan to fill the array (i.e.: numbers are really just random,)
then a Hashtable is the best bet:

$myHash = @{}
$myHash[999] = "Test"
$myHash[999]

--
Lee Holmes [MSFT]
Windows PowerShell Development
Microsoft Corporation
This posting is provided "AS IS" with no warranties, and confers no rights.