Reserialize Unicorm items using Sitecore PowerShell Extensions. Useful when fields are missing and need to be regenerated.

ReserializeItems.ps1

$lines = @"
/sitecore/content/home
"@

$paths = $lines.Split([Environment]::NewLine, [StringSplitOptions]::RemoveEmptyEntries)
foreach($path in $paths) {
    Get-Item -Path ($path.Replace("/sitecore", "master:")) | Export-UnicornItem
}