verify if file exists in server FTP (without download)

Hi

How can I to verify if files exists in Server that I did ftp.

I must to build a procedure that to verify, because some time , when user try to do download It show message that file not exists

Is there some way to do verify file, that do not need to download ?


Thank you:afrog:

Have a looked at the Cached link of the first hit of this.