Find-UnusedResx.ps1

param(
    [string]$include = "*.resx"
)

$filesToExclude = @(
    'FlashExtractStrings.resx'
    '*Xaml*.resx'
    'TabCompletionStrings.resx'
    '*UICultureResources.resx'
    'ComputerResources.resx'
    'ClipboardResources.resx'
    'ScheduledJobErrorStrings.resx'
    'ConvertFromStringResources.resx'
    'ConvertStringResources.resx'
    'CredUI.resx'
    'Logging.resx'
    'Microsoft.PowerShell.LocalAccounts.Strings.resx'
    'RemotingErrorIdStrings.resx'
)

$resx = dir -r $include -Exclude $filesToExclude
$names = @{}
write-progress -id 1 -Activity "Finding resx files"
foreach ($file in $resx) {
    $xml = [System.Xml.XmlDocument]::new()
    $xml.load($file)
    foreach ($name in $xml.root.data.name) {
        $names[$name] = $file
    }
}

$sources = [System.Collections.Generic.List[string]]::new()
write-progress -id 1 -Activity "Finding source files"
$sourceFiles = dir -r *.cs,*.xaml -exclude *strings.cs
foreach ($file in $sourceFiles) {
    $content = get-content $file -raw
    $sources.Add($content)
}

$i = 0
foreach ($name in $names.Keys) {
    $percent = [int32]([double]$i / [double]($names.Count) * 100)
    write-progress -id 1 -Activity "Searching" -PercentComplete $percent -Status "$key $i of $($names.Count)"
    $found = $false
    foreach ($source in $sources) {
        # if ($source.contains(".$name") -or $source.contains("Resourcetext(`"$name`")") -or $source.contains("`"$name`"") -or $source.contains("$name = ")) {
        if ($source.contains($name)) {
            $found = $true
            break
        }
    }

    $i++
    if ($found) {
        continue
    }
    else {
        Write-Host "$name not found from $($names[$name])"
    }
}