Ied shell programing

echo "_______________________________________________________"
echo "<<<<<<<<<<<<<<<<<< Starting IED >>>>>>>>>>>>>>>>>>>>>>>"
echo "_______________________________________________________"

echo -ne "enter a file name >>"
read f1
touch $f1
chmod +x $f1
echo ""
echo "_______________________________________________________"
echo "<<<<<<<<< which editor do you want to use >>>>>>>>>>>>>"
echo "_______________________________________________________"
echo ""
echo "         1> vim      2> nano        3> gedit"

echo -ne " enter your choice >>"
read ch
if [ $ch -eq 1 ]
then
        vi $f1
elif [ $ch -eq 2 ]
then
        nano $fi
else
gedit $f1
fi
#vi $f1
echo -ne "do you want to execute the file (y/n) :"
read en1
echo "________________OUTPUT_____________________"
case "$en1" in
        #case 1
        "y")  ./$f1 ;;

        #case 2
        "n") echo "process ends" ;;
esac