Re: Listing channels

[Randy Flood <flood@aps.anl.gov>]

> 3. Is there a program that will extract a portion of an SDDS file?  In
> order to use SDDS for archiving (which it looks like it might be very
> useful for), it's going to have to run forever on the IOC unit.  If I
> need to generate a dataset from a SDDS datafile, how do I pull out just
> the period (say... everything from yesterday, midnite to midnite) from a
> file that has much, much more information in it (days, weeks, or months
> ...)?  I can come up with stuff to cause it to restart, say once a week,
> but how do I pull out a subset of information?
>   
You can use sddsprocess on individual files or sddscombine then 
sddsprocess on multiple files. Refer to the user's guide 
(http://www.aps.anl.gov/Accelerator_Systems_Division/Operations_Analysis/manuals/SDDStoolkit/SDDStoolkit.html) 
for details.