Script to check modfied date of a file and copy

Hey guys I have a situation where I need to connect to an FTP server check the modified date of a txt file and if the date is today then copy the file. Any Ideas?

Thanks in advance,
Mike

These examples may help you:
https://winscp.net/eng/docs/script_download_most_recent_file
https://winscp.net/eng/docs/script_checking_file_existence