Extract and transfrom metadata of all image files in a folder#powershell

Collect-ImageMetadata.ps1

Function Get-FileMetaData {
 Param([string[]]$folder) 
 foreach($sFolder in $folder) 
  { 
   $a = 0 
   $objShell = New-Object -ComObject Shell.Application 
   $objFolder = $objShell.namespace($sFolder) 
 
   foreach ($File in $objFolder.items()) 
    {  
     $FileMetaData = New-Object PSOBJECT 
      for ($a ; $a  -le 266; $a++) 
       {  
         if($objFolder.getDetailsOf($File, $a)) 
           { 
             $hash += @{$($objFolder.getDetailsOf($objFolder.items, $a))  = 
                   $($objFolder.getDetailsOf($File, $a)) } 
            $FileMetaData | Add-Member $hash 
            $hash.clear()  
           } #end if 
       } #end for  
     $a=0 
     $FileMetaData 
    } #end foreach $file 
  } #end foreach $sfolder 
} #end Get-FileMetaData

$currentFolder = Get-Location
$metadata = Get-FileMetaData $currentFolder

$metadata | ForEach-Object {
    "{{< figure src=`"/images/$(Split-Path $currentFolder -Leaf)/$($_.Filename)`" title=`"$($_.Title)`" >}}`n"
}