Do you know what OS and/or FTP software the FTP server is running? This could be a server specific bug of some sort.

Regarding your "is it atomic" question: rename is implemented by two lower level FTP commands on all servers I'm aware of. first an RNFR is sent by the client to the server. If that succeeds, then an RNTO is sent.

You say the target file is there even when you get the error. How about the original? Is it still there? It may be that the way the server implements rename, it's able to create the new file but not remove the old one, although that seems pretty unlikely if you put the original one there. I have seen some flaky NFS mounted disks give a "no such file or directory" error when they hit other issues.

In reply to Re: Question about FTP.pm rename operation by steves
in thread Question about FTP.pm rename operation by fjaenale

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