[ncl-talk] suggestion for addfile(s) status flags

[Dennis Shea]

Hi Cathy,

I have opened a JIRA ticket:  NCL-2230

THX
D



On Mon, Jun 8, 2015 at 2:31 PM, Cathy Smith (NOAA Affiliate) <
cathy.smith at noaa.gov> wrote:

> NCL staff
> I've run into an issue a bunch of times where I was running code that
> creates a new netCDF file. If I'm debugging or if I have updated data
> which goes into the file, when I open a file with status value "c", the
> code fails as the file already exists. If the file doesn't exist yet,
> then I can't use "w" as a new file needs to be created. I can write
> something where I test for the file and if it exists, I can decide to
> delete the old copy first or write to the old file but it seems kludgy.
> I can of course delete the old file first when using "c" before running
> the code but sometimes I forget and sometimes someone else runs the code
> and gets a permission error which they don't understand.
>
> I was wondering if it would be useful to have 2 new status flags to
> addfile(s). Maybe "cd" and "cw". The first would check for the file
> first and delete it if it already existed and then open the new file.
> The second would open the file with a "w" if it already existed. These
> would act more like C or Fortran flags. If a user was worried about
> accidentily deleting or writing to old files, they could still use "c".
>
> It's just a suggestion and there could be issues I am not considering,
> of course.
>
> Cathy
>
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