David,
Thanks for the (online) hint, but the --help option doesn't say anything about the -D option. I dowloaded the latest version of duck just yesterday and i wouldn't see any -D option. Here is the output of the --help
Usage:duck [options...]
URLs must be fully qualified. Paths can either denote a remote file (ftps://
us...@example.net/resource) or folder (ftps://
us...@example.net/directory/) with a trailing slash. You can reference files
relative to your home directory with /~ (ftps://
us...@example.net/~/).
Supported protocols
ftp FTP (File Transfer Protocol)
ftp://<hostname>/<folder>/<file>
ftps FTP-SSL (Explicit AUTH TLS)
ftps://<hostname>/<folder>/<file>
sftp SFTP (SSH File Transfer Protocol)
sftp://<hostname>/<folder>/<file>
dav WebDAV (Web-based Distributed Authoring and Versioning)
dav://<hostname>/<folder>/<file>
davs WebDAV (HTTP/SSL)
davs://<hostname>/<folder>/<file>
swift Swift (OpenStack Object Storage)
swift://<container>/<key>
s3 S3 (Amazon Simple Storage Service)
s3://<container>/<key>
gs Google Cloud Storage
gs://<container>/<key>
azure Windows Azure Storage
azure://<container>/<key>
rackspace Rackspace Cloud Files (US)
rackspace://<container>/<key>
You can install additional connection profiles in C:\Users\Guido\AppData\Roaming\Cyberduck/Profiles
--application <path> External editor application
--copy <url> <url> Copy between servers
-d,--download <url> <[file]> Download file or folder. Denote a folder with a trailing '/'
-e,--existing <action> Transfer action for existing files
Resume Append existing files (resume)
Cancel (cancel)
Rename Rename transferred files with a timestamp appended to the filename (similar)
Compare Skip files that match size, modification date or checksum (compare)
Rename existing Rename existing files with timestamp appended to filename (rename)
Skip Skip transfer of files that already exist (skip)
Overwrite Overwrite all files (overwrite)
--edit <url> Edit file in external editor
-h,--help Print this help
-i,--identity <private key file> Selects a file from which the identity (private key) for public key authentication is read
-l,--list <url> List files in remote folder
-L,--longlist Long list format with modification date and permission mask
-p,--password <password or secret key> Password
-P,--preserve Preserve permissions and modification date for transferred files
--parallel <connections> Number of concurrent connections to use for transfers
-q,--quiet Suppress progress messages
-r,--retry <count> Retry failed connection attempts
--region <location> Location of bucket or container
--synchronize <url> <directory> Synchronize folders
--throttle <bytes per second> Throttle bandwidth
-u,--username <username or access key> Username
--udt Use UDT protocol if applicable
--upload <url> <file> Upload file or folder recursively
-v,--verbose Print transcript
-V,--version Show version number and quit
-y,--assumeyes Assume yes for all prompts