creates and modifies update
information of remote files into RDADB for given dataset and local
file(s). One or multiple remote files can be processed each time.
| -(MD|MyDataset) | sets information into RDADB no matter the specialist who
runs 'dsupdt' owns the dataset or not |
Set update information of remote files only when they are needed. For
simple situation that remote and local file names are identical, information
of the local file record is enough to process data update. A remote file
update record is only required if the remote file is different from local
file, including situations that multiple remote files are downloaded and
tarred for a single local file, or a single remote file may be available from
multiple servers.
Local file indices and remote file names must be provided per options -LI
(-LocalIndex) and -RF (-RemoteFile), respectively, for this action to work.
If a download command is specified per Info option -DC (-DownloadCommand) in
the remote file record, it is used for downloading remote file rather than
the one specified in the local file record.
Set file name on the remote server per Info option -SF (-ServerFile) if it
is different from the remote file name. If a server file name is not
set for a remote file record, it is assumed to be the same as the remote
file name.
Data files downloaded remotely or generated via local processes are temporarily
staged on a local disk. They are called remote files until they are further
validated and converted into local files.
Set download order indices per Info option -DO (-DownloadOrder) if a
remote file is accessible from multiple remote servers. Remote file download
action tries the web server with the lowest download index first; and, if
fails, it tries the other servers with higher indices until successful
download.
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