[Info-vax] Compressed backup summary information retrieval

[abrsvc]

On Wednesday, July 13, 2022 at 4:48:27 PM UTC-4, abrsvc wrote:
> On Wednesday, July 13, 2022 at 4:35:15 PM UTC-4, Rich Jordan wrote: 
> > I would just like to say that I wish whoever decided that a backup saveset's summary information data should be compressed when the backup was performed with compression enabled... well... wish they had left the summary block info alone. 
> > 
> > Going to have to use a backup/list pipe and search for the date and blocksize lines. 
> > 
> > Is there a quick and easy way to just read the first block or two and decompress it? The backup lists take a lot longer to run that just plucking the data data out of the summary and converting it
> I haven't tried this, but the docs suggest that this should work... 
> 
> Try BACKUP/LIST x.sav/sav nl:/confirm 
> 
> This should list what you are looking for and prompt for what to do with the first file waiting for a response. Ctrl-Y out of it at that point. 
> 
> Dan
Just tried this and if you replace the nl: with a valid directory, you will get the header from the /list and a confirmation request beforethe first file is processed.

NLA0: is not a valid output spec for backup.

Dan