[ncl-install] Regarding setting of root path for NCL

[Atul Saini]

Dear Sir/Ma'am,
                             I am trying to set root path of NCL using -

NCARG_ROOT=/usr/local/ncl-6.4.0
    PATH=$NCARG_ROOT/bin:$PATH
    export NCARG_ROOT
    export PATH



There after when I try to load it using -


load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"


It says No command 'load' found.


Please guide how to properly set the root path and load NCL script using 'load'.
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