Exch-Rest

3.50.0

internal/functions/other/Get-UniqueFileName.ps1

function Get-UniqueFileName
{
    [CmdletBinding()]
    param (
        [Parameter(Position = 0, Mandatory = $true)]
        [string]
        $FileName
    )
    process
    {
        
        $directoryName = [System.IO.Path]::GetDirectoryName($FileName)
        $FileDisplayName = [System.IO.Path]::GetFileNameWithoutExtension($FileName);
        $FileExtension = [System.IO.Path]::GetExtension($FileName);
        for ($i = 1;; $i++)
        {
            
            if (-not (Test-Path $FileName))
            {
                return $FileName
            }
            else
            {
                $FileName = [System.IO.Path]::Combine($directoryName, $FileDisplayName + "(" + $i + ")" + $FileExtension);
            }
            
            if ($i -eq 10000) { throw "Out of Range" }
        }
    }
}