debug environment for NCL?

Colleagues

When working on R scripts, you can set a browser() command to stop
execution of a script at any point, so you can examine the contents of
the workspace. For example, I might want to test run a new line using
temporary variables loaded into the workspace up to the point that I
halted execution. Or I might want to check the dimensions or the
attributes of a particular variable that is giving me problems. This
provides a very useful debugging facility. Matlab has something similar.

Searching through the documentation and the maillist archives, I don't
see anything similar in NCL, but perhaps I just have not found it? I
know that I can locate errors using 'ncl -x filename.ncl' from the
command line, but this is not my problem. I know that I can also copy
code lines from my script into another interactive NCL session, but this
gets cumbersome when the script gets a bit longer. I am beginning to
suspect that the kind of debugging environment I am searching for is a
facility of the editor being used (I use emacs at present)? Is that the
case?

Thanks for any comment,

Sam

-- 
Sam McClatchie,
Supervisory oceanographer, Fisheries oceanography
Southwest Fisheries Science Center, NOAA,
8901 La Jolla Shores Dr.
La Jolla, CA 92037-1509, U.S.A.
email <Sam.McClatchie@noaa.gov>
Office: 858 546 7083, Cellular:  858 752 8495
Research home page <www.fishocean.info>
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Received on Fri Jun 14 10:19:03 2013