menu() {
    while true
    do
        printf "\n Welcome to target gene annotation and mutalyzer (v1), please make a selection from the MENU \n
        ==================================
        \t 1  GJB2 analysis
        \t 2  MECP2 analysis
        \t 3  Phox2B analysis
        \t 4  CAP annotation
        \t 5  Non-target gene
        \t 6  Syntax checker
        \t 7  Name checker
        \t 8  Position converter
        ==================================\n\n"

        printf "\t Your choice: "; read menu_choice

        case "$menu_choice" in
        1) gjb2 ;;
        2) mecp2 ;;
        3) phox2b ;;
        4) cap ;;
        5) non ;;
        6) syntax ;;
        7) name ;;
        8) position ;;
        *) printf "\n Invalid choice."; sleep 2 ;;
        esac
    done
}

cap() {
CODING=/home/cmccabe/cap/TGS/NM.txt
SAMPLE=/home/cmccabe/cap/TGS
SURVEY=/home/cmccabe/cap/TGS

printf "The survey being used is and here are the details:" "$SURVEY\survey.txt "

PS3="please select a file to analyze with a panel: "

cd "$SAMPLE"
select file1 in $(cat samples.txt)
do	[ "$file1" != "" ] && break
done
      printf "FILE is: ${file1} and will be used for annotation\n"
      read -r -p "Is this correct? [y/N] " response
if [[ $response =~ ^[nN][oO]?$ ]]
then
echo 'please try again'  && return
    printf "\n\n"
    printf "What is the id of the CAP sample getting gene annotation : "; read id
	printf "Please enter the variant(s), the following are examples"
	echo " c.274G>T or c.274-10G>T or c.*18_*19delGCinsAA"
	
	printf "and please use a comma between multiple: "; IFS="," read -a variant
        
        [ -z "$id" ] && printf "\n No ID supplied. Leaving match function." && sleep 2 && return
        [ "$id" = "end" ] && printf "\n Leaving match function." && sleep 2 && return

        for ((i=0; i<${#variant[@]}; i++))
              do printf "${CODING}:%s\n" "${variant[$i]}" 
        done >> /home/cmccabe/cap/TGS/out.txt
}

# actual start of this program
menu # run menu function
/home/cmccabe/Desktop/annovar.sh: line 65: syntax error near unexpected token `}'
/home/cmccabe/Desktop/annovar.sh: line 65: `}'