[ncl-talk] adding multiple files

[Rick Brownrigg]

Hi,

It sounds like that one file in particular, "pre_199501_mondat.nc", is
corrupt. I note that it is not the same file as the single file instance
that you cited, and I *think* NCL would have ingested all the files from
1901 up to the 199501 before throwing the error. Are you able to open the
file with the ncl_filedump command, or any of the NCO/CDO operators?  If
you want to send it to our ftp site, I'll take a look at it (instructions
below).

Rick


*You can ftp larger datasets and files to:*

ftp ftp.cgd.ucar.edu
anonymous
<use your email address for the password>
cd incoming
put ...
put ...
.
.
.
quit

Note that for security reasons, you cannot list the contents of this
directory, and neither can we. We need to know the *exact* names of the
files in order to retrieve them.

On Sat, Apr 1, 2017 at 7:40 AM, Dawit Abebe <dawit.kan at gmail.com> wrote:

> Dear NCL users,
>
> I’m having a challenge to add multiple files to NCL. I’m intending to work
> on monthly files ranging from 1901 - 2014. I tried the command below but
> failed.
>
> Command used
>
> diri = "./"
>
> ncl 29> files = systemfunc("ls *.nc")
>
> ncl 30> f     = addfiles(diri+files, "r")
>
> Return message for all files
>
>
> warning:_NclOpenFile: Can not open file <pre_199501_mondat.nc>; file
> format not supported or file is corrupted
>
>
> The command and return for single file seems working as showed bellow:
>
> ncl 10> diri = "./"
>
> ncl 11> fili = "pre_201412_mondat.nc"
>
> ncl 12> f    = addfile(diri+fili, "r")
>
> ncl 13> prc = f->pre
>
> ncl 14> printVarSummary(prc)
>
>
> Variable: prc
>
> Type: double
>
> Total Size: 288 bytes
>
>             36 values
>
> Number of Dimensions: 3
>
> Dimensions and sizes: [time | 1] x [lat | 4] x [lon | 9]
>
> Coordinates:
>
>             time: [41987..41987]
>
>             lat: [3.75..5.25]
>
>             lon: [36.75..40.75]
>
> Number Of Attributes: 5
>
>   correlation_decay_distance :  450
>
>   long_name : precipitation
>
>   units : mm/month
>
>   missing_value : 9.96920996839e+36
>
>   _FillValue : 9.96920996839e+36
>
> Where is my problem?
>
> Thanks
> Dawit
>
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