Hi Rand just a quick note to append to my earlier email ...
Some more info on libURLDownloadToFile
1. The docs describe it as "download an FTP URL", but in fact it can be used to download either ftp:// or http:// forms of URL (possibly others - those are all I've tried).
(In fact, I had tested FTP slightly, but had been mostly using http .....)
2. When you use libURLDownloadToFile to download an http file, when the downloadComplete handler is called (and assuming a successful download), then the local file will have been created and closed.
3. When you do the same with an ftp format URL, the local file will have been created - but it will still be open. (Don't know if this is always the case, but it has been in all my testing in the last hour or so).
I have had to add the line
if cacheName is in the openfiles then close file cacheName
to my downloadComplete handler so that ftp:// files are properly closed (otherwise they are not available for other operations such as rename until Rev closes).
I don't know if this is a bug, or if this difference between http:// and ftp:// forms is intentional.
I think I'll play safe and guess that it is a bug, unless someone tells me otherwise; so I'll BZ it tomorrow if I haven't heard in the meantime. It certainly doesn't seem desirable to have the file be left open, and it is surprising to have to explicitly close it.
-- Alex.
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