[ncl-talk] adding multiple files

[Dawit Abebe]

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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