Russ, Dennis,
Just to beat this to death ... I'm not sure what backward compatibility
aspect is being
referred to, since the current and all past versions of ncgen I've used
work as expected
(create an output file) when you do
ncgen -o foo.nc bar.cdl
Also if this falls into the 'no flags' syntax-check scenario, wouldn't
you print the usage? In this new version
it is silent.
Bottom line is: will this be updated in another 4.2 release candidate?
Thanks,
-jim
On 2/1/2012 9:56 PM, Jim Cowie wrote:
This was not a 'no flags' case as I was using -o to create the output file.
Thanks
Dennis Heimbigner<dmh@xxxxxxxxxxxxxxxx> wrote:
Yes, I forgot about the -b flag.
That is the appropriate one to use.
Russ Rew wrote:
Jim-
Unfortunately, ncgen has always treated
the no flags case as being just a syntax
check. I agree with your intent, but
we are captives of history and back compatability.
I think ncgen could still treat no flags as a syntax check, but use of
-b or -o specifying an output file means a netCDF output should be
generated. In that case, I don't see the need for specifying a "-k"
when the type of output can be inferred from the CDL.
This request was actually entered a few months ago in Jira ticket
NCF-124:
https://www.unidata.ucar.edu/jira/browse/NCF-124
I don't think it would violate our backward compatibility commitment,
which is about APIs and data.
--Russ
Jim Cowie wrote:
Hi,
I built netcdf-4.2-rc1 and I was not able to create a file using ncgen
unless I included the '-k kind' option. With this option omitted,
nothing happens.
I hope this is not intentional because it would be a step in the wrong
direction. My goal is to *never* use the -k option, but rather to use
the _Format attribute within the CDL to define the output file type at
run-time. Based on earlier discussions I've had with Unidata, and some
documentation I've seen, this was the intent of the _Format attribute.
Using -k would override what is in the CDL. Now I'm not sure what to think.
Thanks ...
Jim Cowie
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