PowerShell Remove Older Files

Remove-OldFiles.ps1

# Define variables
[string]$filePath = 'C:\TestCleanup\'
[string]$fileExtension = '*.log'
[int]$fileAge = 90
[datetime]$ageTimeSpan = (Get-Date).AddDays(-$fileAge)

# Get all matching files
[array]$filesToPurge = Get-ChildItem -Path $filePath -Filter $fileExtension -File |
				Where-Object { $_.LastWriteTime -lt $ageTimeSpan }
        
if ($filesToPurge.Count -gt 0)
{
    foreach ($file in $filesToPurge)
    {
        # Get file full path
        [string]$fileName = $file.FullName

        # Remove file without confirmation
        Remove-Item $fileName -Confirm:$false
    }
}
else
{
    # Replace with proper logging
    Write-Host -Object 'No files to purge!'
}