March Scripting Games Advanced Diacritics script and Scheduled task.

Get-Diacritic.ps1

<#
.Synopsis
   Scans the file names for Diacritics letters beloning to the Latin-1 Supplement. 
.DESCRIPTION
   Scans the file names for Diacritics letters beloning to the Latin-1 Supplement.

   Before use check that valid values for the -Path, $Mailserver,$From and $To are correct.

#>
function Get-Diacritic
{
    [CmdletBinding()]
    
    Param
    (
        # Location of files Driveletter\folder
        [Parameter(Mandatory=$true,
                   ValueFrompipeline = $true,
                   ValueFromPipelineByPropertyName=$true,
                   Position=0)]
        [ValidateScript({Test-Path $_ -PathType Container})]
        [String]$Path,
        

        # E-mail Parameters
        [String]$MailServer = 'mailserver.company.com',
        [string]$From = 'admin@company.com',
        [String]$To = 'boss@company.com'


        )

    Begin
    {
          # Get todays date.
          $Date = Get-Date -Format yyyy-MM-dd

          # Generate CSV file name including todays date.
          $CSV = $Date  + "_FileNamesWithDiacritics.csv"
          
          # Name including todays date for error log if needed.
          $Errorlog = 'Diacritics' + $date + '.log'


# configure Font size and color for Email HTML content.         
$head = @'
<style> 
h1 {color: #0000FF;
    font-size: 12pt}

h2 {color: #FF0000;
    font-size: 12pt}

Body{font-size: 12pt}
</style>
'@
          
    # function to format file size
    Function format-size($length){ 
                if ($length -gt 1GB){('{0:n1}' -f ($length /1GB)) + 'GB'}
                elseif($length -gt 1MB){('{0:n1}' -f ($length /1MB)) + 'MB'}
                elseif($length -gt 1KB){('{0:n1}' -f ($length /1KB)) + 'KB'}
                else{('{0:n1}' -f ($length )) + 'B'}
           
              }

    }
    Process
    { 
   
      # scan for files with Diacritics in file name 
      $files = Get-ChildItem -path $path -Recurse -force | 
                Where {$_.Name -match '[\u00C0-\u00ff]' -and $_.Name -notmatch '[\u00d7] | [\u00f7]'} |        
                    select Name,
                         Directory,
                        @{N ='Creation Date';E = {$_.Creationtime}},
                        @{N ='Last Modification Date'; E = {$_.LastWriteTime}},
                        @{N = 'File Size'; E = {Format-size $_.Length}} #| format-table -AutoSize

      
      # if files found with Diacritics save results in CSV file and generate the content of email in HTML format
      If($files.count -gt 0){
            $total = $files.count
            $files | Export-Csv -Path $env:temp\$CSV
               $Message = $files | ConvertTo-Html -Head $head -body $_ -as Table  -PostContent "<H2>Generated using Powershell</H2>" `
                      -Precontent "<H1>Scan Date $Date : Files with Diacritics found under C:\FileShare: $total files in total </H1>"  | 
                                Out-String 
                            }

      # if no files found generate email content in HTML format
      else {$message = $Message = $files | ConvertTo-Html -Head $head `
                        -body "<H1>Scan Date $Date : Files with Diacritics found under C:\FileShare </H1>",
                        "Scan completed successfully no files found today.", "<H2>Generated using Powershell</H2>"  |
                                Out-String 

                            }

           
       
       # Attempts to send Email or generates a log file in the temp folder.
       Try{
        
        $ErrorActionPreference = 'stop'
        
            $params = @{SmtpServer = $MailServer
                        From  = $From
                        To = $To
                        Subject = "Files with Diacritics Marks"
                        Body = $Message
                        BodyAsHtml = $true}
       
            Send-MailMessage @params
      
      }catch{
               $_ | out-file -FilePath $env:temp\$Errorlog
            }

    }
    End
    {
    }
}
    # calls the Get-Diacritic function and provides path to the files
    Get-Diacritic -Path C:\fileshare

Schedtask.ps1

# set valid values for target host machine, the username and password befor use.
Invoke-Command FileServer {Register-ScheduledTask -TaskName Diacritics `
     -Description 'List all files using letters from Latin-1 Supplement in filenames' -user 'AccountName' -Password '**********' `
         -Action (New-ScheduledTaskAction Powershell.exe '-NoProfile -NonInteractive -command "& C:\scripts\Get-Diacritics.ps1"')`
             -Trigger (New-JobTrigger -Weekly -WeeksInterval 2 -DaysOfWeek Saturday -At 11pm  )}