#!/bin/bash

source_dir="/aim/data/cips/north_2010"
declare -a levels=("level_3c" "level_3e") 
file_name_regex=".+\.preliminary.+"

for level in "${levels[@]}"; do
    target_dir="${source_dir}/${level}/ver_05.20/rev_05"
    echo "checking $target_dir"
    for file in "$target_dir"/*; do
    if [[ $file =~ $file_name_regex ]]; then
      echo $file
      mv -v $file "${file//.preliminary/}"
    fi
  done
done