[gradsusr] merge data

[ugo okoro]

hello all,

please i am working with ncep data. the data is available in .nc format and for each year starting from 1979 to 2011as isolated files and this is the ctl inf

dset F:\hgt.1979.nc
title daily NCEP/DOE Reanalysis 2
undef -9.99e+33
dtype netcdf
xdef 144 linear 0 2.5
ydef 73 linear -90 2.5
zdef 17 levels 1000 925 850 700 600 500 400 300
 250 200 150 100 70 50 30 20 10
tdef 365 linear 00Z01JAN1979 1440mn
vars 1
hgt=>hgt  17  t,z,y,x  Daily Geopotential Heights on Pressure Levels
endvars

how do i change the .ctl to read the data as a file.

ugo okoro
cmsr, iap-cas
beijing.
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