#!/bin/bash

# Declare a string array with type
declare -a arr=("FISCCP1_COSP" "TS" "FSDSC" "FSNSC")

for file in n.n202.N1850frc2.f09_tn14.pi_control.001_global.cam.h0*.nc; do
  for var in "${arr[@]}"; do
	cdo -selvar,var $file "${file}_${var}"
	echo "${file}_${var}"
done
done