cases and such in bash

cases.sh

#!/usr/bin/env bash
## https://stackoverflow.com/questions/10376206/what-is-the-preferred-bash-shebang

echo -e "THIS program: $0\n"
## cases.sh

# if $# (num. of inputs) is NOT(!) EQUALS TO(=) (so, !=) 2; print "argc IS NOT 2, ..."
if [ $# != 2 ]; then
    echo "argc IS NOT 2,  enter IP and PORT"
else
## else we can just go with the flow
  # I tried doing this with a "normal" 'range' like for loop which did not really work..
  # Creds goes to Jiaaro's brilliant idea of using seq
  ## found on StackOverflow https://stackoverflow.com/questions/169511/how-do-i-iterate-over-a-range-of-numbers-defined-by-variables-in-bash/169517#169517
  # thanks!
  for i in $(seq $1 $2); do
    echo -en "i=$i -> "
    case "$i" in 
       1) echo "one chosen";;
       2) echo "two chosen";;
       *) echo "*" ;;
    esac
  done
fi