Shell Programming and Scripting

while getopts :rfw:d:s:a: options
do
    case "$options" in
        r) echo reverse;;
        f) echo forward;;
        w) window=$OPTARG;;
        d) duration=$OPTARG;;
        s) search=$OPTARG;;
        a) value=$OPTARG;;
        *) help; exit;;
    esac
done

#!/bin/bash

help() {
    echo "I need some help"
}
rFlag=0;
fFlag=0;
while getopts :rfw:d:s:a: options
do
    case "$options" in
        r) [[ $(($rFlag + $fFlag)) -gt 0 ]] && echo "can't have both, baby" &&  exit 1 ; ((rFlag++)); echo reverse ;;
        f) [[ $(($rFlag + $fFlag)) -gt 0 ]] && echo "Don't be greedy" &&  exit 1 ; ((fFlag++)); echo forward ;;
        w) window=$OPTARG;;
        d) duration=$OPTARG;;
        s) search=$OPTARG;;
        a) value=$OPTARG;;
        *) help; exit;;
    esac
done
shift $((OPTIND-1))

echo "---------------"
echo window $window 
echo duration $duration 
echo search $search 
echo value $value

miro@miro-ntb:~$ ./test -f  -s someString -a aaaaaa
forward
---------------
window
duration
search someString
value aaaaaa
miro@miro-ntb:~$ ./test -ffff  -s someString -a aaaaaa
forward
Don't be greedy
miro@miro-ntb:~$ ./test -f -s someString -r -a aaaaaa
forward
can't have both, baby
miro@miro-ntb:~$ ./test -g -ffff  -s someString -a aaaaaa
I need some help