Updating hash table values in a 'foreach' loop in PowerShell

Question

I\'m trying to loop through a hash table and set the value of each key to 5 and PowerShell gives an error:

$myHash = @{}
$myHash[\"a\"] = 1
$myHash[\"b\"] =          


        

Answer 1

As mentioned in a previous answer, clone is the way to go. I had a need to replace any null values in a hash with "Unknown" nd this one-liner does the job.

($record.Clone()).keys | %{if ($record.$_ -eq $null) {$record.$_ = "Unknown"}}