[ncl-talk] addfiles: selecting files with datestamp in filename

[Barry Lynn]

Kevin:

Thank you for this very clear explanation for how to read multiple files
with systemfunc "ls."

Barry

On Fri, Oct 13, 2017 at 1:16 AM, Kevin Hallock <hallock at ucar.edu> wrote:

> Hi Sujit,
>
> The simplest way to open multiple wrfout files would be something like
> this:
> files = systemfunc("ls wrfout_d01_2016-12*")
> f = addfiles(files, "r")
>
> This will load all files that begin with “wrfout_d01_2016-12” (in other
> words any file from December 2016).
>
> If you want to include files from 2017 as well, you could run:
> files = systemfunc("ls wrfout_d01_2016-12* wrfout_d01_2017*")
> f = addfiles(files, "r")
>
> This will load all files that begin with “wrfout_d01_2016-12” or “
> wrfout_d01_2017” (in other words any file from December 2016 or all of
> 2017).
>
> Alternatively, if you need more control over which files are selected, you
> could try something like this instead:
> files = systemfunc("ls wrfout_d01_2016-12-0[123]*")
> f = addfiles(files, "r")
>
> This loads all files that begin with “wrfout_d01_2016-12-0” and where the
> following character is 1, 2, or 3 (so just December 1 through 3).
>
> Finally, you can also include time with the date in your “ls” command. For
> example, if you wanted all files from December 1 through 9 at 12:00:
> files = systemfunc("ls wrfout_d01_2016-12-0[0-9]_12:00:00")
> f = addfiles(files, "r")
>
> I hope this helps,
>
> Kevin
>
> On Oct 12, 2017, at 12:05 AM, Sujit Maji <sujit.cat at tropmet.res.in> wrote:
>
> Hi all,
>
> Have anyone tried to select wrfout*(WRF model output) files (as input to
> addfiles function in ncl) based on the date stamp on filename ?
>
> e.g. suppose filename is  wrfout_d01_2016-12-01_00:00:00
>
> and
>
> I want to select files with dates later than 2016_12_01 (1st December
> 2016) in filename i.e. wrfout_d01_2016-12-02_00:00:00 or
> wrfout_d01_2016-12-03_00:00:00.
>
>
> I don't have expertise in sed,awk or find utilities of GNU. That's why I
> asked.
>
> If anyone have tried please share any experience.
>
> Thanks and regards,
> Sujit Maji
> IITM Pune
> _______________________________________________
> ncl-talk mailing list
> ncl-talk at ucar.edu
> List instructions, subscriber options, unsubscribe:
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>
>
>
> _______________________________________________
> ncl-talk mailing list
> ncl-talk at ucar.edu
> List instructions, subscriber options, unsubscribe:
> http://mailman.ucar.edu/mailman/listinfo/ncl-talk
>
>


-- 
Barry H. Lynn, Ph.D
Senior Lecturer,
The Institute of the Earth Science,
The Hebrew University of Jerusalem,
Givat Ram, Jerusalem 91904, Israel
Tel: 972 547 231 170
Fax: (972)-25662581

C.E.O, Weather It Is, LTD
Weather and Climate Focus
http://weather-it-is.com
Jerusalem, Israel
Local: 02 930 9525
Cell: 054 7 231 170
Int-IS: x972 2 930 9525
US 914 432 3108
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.ucar.edu/pipermail/ncl-talk/attachments/20171013/3262aae4/attachment.html>