Re: Listing channels

["Mark M. Ito" <marki@jlab.org>]

For what it is worth, I've attached an expect script that makes a 
listing of records for a given ioc. Brute force. Stop gap. Etc.

David Dudley wrote:
> Got 3 little questions:
>
> 1. Is there a method or application anywhere that can generate a list of
> the channels on a remote IOC?  I mean, a program I can point at the
> IOC's address and have it generate a list of all the channels on that
> unit? 
>
> 2. Does SDDS require X in order to compile?  It's a given that SDDSPlot
> is probably going to need X, but most of the apps don't have GUI's, so
> must X be available in order to compile them?  If not, how do you
> generate the non-X programs?
>
> 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?
>
> David Dudley
>
>   
#!/bin/expect --
#
set ioc $argv
set file db_list_$ioc.txt
spawn rlogin $ioc
expect "VxWorks login:"
send "your-ioc-username-here\r"
expect "Password:"
send "your-password-here\r"
expect "your-ioc-command-line-prompt-here"
send "rm \"$file\"\r"
expect "your-ioc-command-line-prompt-here"
send "dbl > $file\r"
expect "your-ioc-command-line-prompt-here"
send "logout\r"
expect "your-host-command-line-prompt-here"
exit
#
#end of expect script

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tel;pager:757-584-5295
url:http://www.jlab.org/~marki
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