debug1.ps1

  
$web = Get-SPWeb -Identity "https://sharepoint.2016.contoso.com/sites/teamsite"
$Library = $web.Lists.TryGetList("Documents")

$query = New-Object Microsoft.SharePoint.SPQuery
$query.ViewXml = "<View Scope='RecursiveAll'>
                      <Query>
                          <Where>
                              <Eq>
                                  <FieldRef Name='FSObjType'/>
                                  <Value Type='Lookup'>0</Value>
                              </Eq>
                          </Where>
                          <OrderBy Override='TRUE'>
                              <FieldRef Name='FileLeafRef' />
                          </OrderBy>
                      </Query>
                  </View>"

$results = @()
$c = 1

do
{
    $batch = $Library.GetItems($query)
    $query.ListItemCollectionPosition = $batch.ListItemCollectionPosition

    foreach( $b in $batch )
    {
        $results += [PSCUstomObject] @{
            "#"      = $c
            FileName = $b.Name
            FilePath =  $b.File.ServerRelativeUrl
        
        }
        $c++
    }
}
while($batch.ListItemCollectionPosition -ne $null)

$results | Export-Csv -Path "LibraryFiles.csv" -NoTypeInformation