Re: limit for addfiles function ?

Erik,

You can use the NC Operator, ncrcat, to concatenate the files by day or
month, which will cut down the number of files that NCL will need to open.

-------------------------------------------------------------
Brandon Fisel

On Fri, Mar 5, 2010 at 13:31, Erik Noble <nobleeu@gmail.com> wrote:

> Hi I tried using the ncl addfiles fuction. The files I am trying to extract
> data from are wrf files, but that shouldn't matter. Of course there are many
> wrfout files because the model spits out a file every hour or every 3
> hours..
> When I try to use the addfiles function, NCL gives back the error that
> there are "too many files."
>
> So the addfiles function has a limit? Is there a way around this? Kind of a
> show stopper for this function...
> -Erik
>
> noble:August_September_Full eunoble$ ncl
> Copyright (C) 1995-2009 - All Rights Reserved
> University Corporation for Atmospheric Research
> NCAR Command Language Version 5.1.1
> The use of this software is governed by a License Agreement.
> See http://www.ncl.ucar.edu/ for more details.
> ncl 0> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
> ncl 1> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
> ncl 2> load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
> ncl 3> load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRF_contributed.ncl"
> ncl 4> load "$NCARG_ROOT/lib/ncarg/nclscripts/wrf/WRFUserARW.ncl"
> ncl 5> diri = "./" ; input directory
> ncl 6> fils = systemfunc ("ls ./wrfout*") ; file paths
> ncl 7> printVarSummary(fils)
>
>
> Variable: fils
> Type: string
> Total Size: 5860 bytes
> 1465 values
> Number of Dimensions: 1
> Dimensions and sizes: [1465]
> Coordinates:
> ncl 8> ncl 8> f = addfiles (fils+".nc", "r")
> fatal:Too many open files
> .
> .
> .
>
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Received on Fri Mar 5 12:50:18 2010