Strings with variables include namespace and object information?

Question

# Locate Local HDD drive letter (100GB+)
#(Get-WmiObject -Query "SELECT * FROM Win32_LogicalDisk WHERE DriveType LIKE 3" | Sort-Object -Descending Size)[0] | Format-List *
$oLocalLargestHDD = (Get-WmiObject -Query "SELECT * FROM Win32_LogicalDisk WHERE DriveType LIKE 3" | Sort-Object -Descending Size)[0]
If ($oLocalLargestHDD.Size -gt 100000000)
{
    $sMsg = "HDD ( $oLocalLargestHDD.Name ) is found!"
    Write-Host $sMsg
} else {
    Write-Host "HDD is NOT found!"
}

outputs:

HDD ( \BRIANG\root\cimv2:Win32_LogicalDisk.DeviceID="C:".Name ) is found!

instead of

HDD ( C: ) is found!

$sMsg = "HDD $($oLocalLargestHDD.Name) is found!"

Matt
– Matt

2015-09-10 18:00:10 +00:00
Commented Sep 10, 2015 at 18:00 — Matt
– Matt, Commented Sep 10, 2015 at 18:00

Matt · Accepted Answer · 2015-09-10 18:00:54Z

1

You are not doing variable expansion properly. You need to have a subexpression. You were close.

$sMsg = "HDD ($($oLocalLargestHDD.Name)) is found!"

Or you can use the format operator.

$sMsg = "HDD ({0}) is found!" -f $oLocalLargestHDD.Name

What you were seeing was the string representation of the $oLocalLargestHDD object. Using either of the methods above allow you to use the property.

answered Sep 10, 2015 at 18:00

Matt

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4 Comments

Brian Gonzalez Over a year ago

Matt, Thank you sir! I prefer the 2nd of your examples.

Matt Over a year ago

@BrianGonzalez You are most welcome. If this answered your question consider marking it as so with the checkmark to the left.

Brian Gonzalez Over a year ago

Can i use this method when using Write-Host as well? it doesn't appear to like the "-f" format argument.

Matt Over a year ago

@BrianGonzalez If you put the whole thing in brackets it will be fine. Write-Host ("HDD ({0}) is found!" -f $oLocalLargestHDD.Name)

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