Find e file in website

how to know if the file on the website exists or not?
Have this possibility with realbasic ??

Yes, without more info:

[code]Dim f as FolderItem = GetFolderItem(“path to file”, FolderItem.PathNative)

if f.Exists then
MsgBox “It exists”
else
MsgBox “It doesn’t exist”
end if
[/code]