GetValueOrDefault.ps1

gistfile1.txt

$GetValueOrDefault = {
    param(
        [string]$key,
        $defaultValue
    )
    $this.ContainsKey($key) ? $this[$key] : $defaultValue
}
$etd = @{
    TypeName = 'System.Collections.Hashtable'
    MemberType = 'Scriptmethod'
    MemberName = 'GetValueOrDefault'
    Value = $GetValueOrDefault
}
update-TypeData @etd


$employees = @(
    @{
        "Name" = "John Doe"
        "Age" = 30
        "Department" = "HR"
    },
    @{
        "Name" = "Jane Smith"
        "Age" = 25
        "Department" = "Sales"
        "Location" = "New York"
    },
    @{
        "Name" = "Bob Johnson"
        "Age" = 28
        "Location" = "Los Angeles"
    }
)

# Define default values for missing fields
$defaultValues = @{
    "Department" = "Unspecified"
    "Location" = "Not specified"
}

# Add default values to each employee
foreach ($e in $employees) {
    foreach ($key in $defaultValues.Keys) {
        $e[$key] = $e.GetValueOrDefault($key, $defaultValues[$key])
    }
    $e
}