Shell Programming and Scripting

lst_proto=$(cat ${rep_config}/*.cfg | grep "#name_transfert#" | cut -d " " -f"2" | sort)
        echo "${lst_proto} "

                lst_proto_old=$(cat ${rep_config}/_HISTO_FIC_CFG/*.cfg | grep "#name_transfert#" | cut -d " " -f"2" | sort)
                if [ -z ${nb_proto_old} ];
        then
                echo " "
                echo "--------OLD PROTOTYPE-------------"
                echo " "
                echo "${lst_proto_old} "
                echo " "
        fi

        echo "Please choose your configuration file : \c"

        read prototype

        echo "-------------------------------------------"
        echo "You have choosen : ${prototype} \n"
        echo "-------------------------------------------"
        echo " "
#------------------------complet name files------------------
        cd ${rep_config}
        nom_cfg=$(${prototype}.cfg)

                if [ "#"${nom_cfg}"#" == "##" ];
                then
#------------------------OLD complet name files----------------------------
                        rep_config="${rep_config}/_HISTO_FIC_CFG"
                        cd ${rep_config}
                        nom_cfg=$(${prototype}.cfg)
                fi

for item in ${list_of_items}; do
    if [[ $item = teacup ]]; then
         echo "Five bucks for the $item"
    else
         echo "That $item is not for sale, sorry"
    fi
done

PS3="Please choose your configuration file :"
select prototype in $(....your code here....)
do
   if [[ -n $prototype ]]
   then
        echo "You selected $prototype"
        break;
    else
        echo "Invalid choice: $REPLY"
    fi
done