WRF output

[Ambarish Jash]

Hi guys,
I have downloaded the WRF2GRADS tar file.
I have untarred unzipped and also installed it.
After which I have made necessary changes in the control_file.
Upon running "wrf_to_grads" i get the following error

error while loading shared libraries: libimf.so: cannot open shared object
file: No such file or directory.

can someone help!!!
Thanks
Ambarish Jash
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