case-statement-as-data-structure

#!/bin/bash

shopt -s nocasematch

case $2 in
    "ABC Co., LLC" | "ABC Co LLC" | "12-3456789")
        if [[ $1 == name ]]; then
            printf "ABC Company, L.L.C.";
        fi
        if [[ $1 == ein ]]; then
            printf "12-3456789";
        fi
    ;;

    "XYZ, INC" | "XYZ, INC." | "XYZ INC" | "98-7654321")
        if [[ $1 == name ]]; then
            printf "XYZ Incorprated";
        fi
        if [[ $1 == ein ]]; then
            printf "98-7654321";
        fi
    ;;

    *)
        printf "$2 is not defined and/or did not match."
        exit 1;
    ;;
esac

printf "\n";
exit 0;