Bash - Iterating over directory structure and replacing pattern from input list

script.sh

LIST_FILENAME="input-list.txt"
SERVICES=$(cat ${LIST_FILENAME})
NO_SERVICES=$(cat ${LIST_FILENAME} | wc -l)
FILES=(`find . -type f -not -path "./.git/*" -prune -not -path "./script.sh" -not -path "./${LIST_FILENAME}" | sort`)
NO_FILES="${#FILES[@]}"
FILE_NO=1

echo "Processing ${NO_SERVICES} services and ${NO_FILES} files."

# Iterate over all files.
for F_FILE in ${FILES[@]}
do
    echo "Replacing all services in file ${F_FILE}."
    # Iterate over all services.
    ITEM_NO=1
    for SERVICE in ${SERVICES}
    do
        SERVICE_TRIMMED="$(echo -e "${SERVICE}" | tr -d '[:space:]')";
        printf "Processing item ${ITEM_NO} of ${NO_SERVICES} - ${SERVICE_TRIMMED} - in file ${F_FILE} (${FILE_NO}/${NO_FILES})...";
        sed -i -e "s/${SERVICE_TRIMMED}.foobar.com/${SERVICE_TRIMMED}.prod.foobar.com/g" ${F_FILE}
        let "ITEM_NO++";
        printf " done.\n"
    done
    echo
    let "FILE_NO++"
done