Shell Programming and Scripting

script.ksh -m "Message from xyz" -e "email@xyz.com"
script.ksh -m 'Message from xyz' -e 'email@xyz.com'

 
script.ksh -mMessage\ from\ xyz -e'email@xyz.com'

script.ksh -m "Message\ from\ xyz" -e'email@xyz.com'

script.ksh -m "string with white space"
script.ksh -m 'string with white space'
script.ksh -m string\ with\ white\ space
script.ksh -m string' with'\ "whi"te" "''space

while getopts "e:m:": name
do 	case $name in
	m)	var_M="$OPTARG"	;;
	e)	var_E="$OPTARG"	;;
	esac
done

aflag=
bflag=
while getopts :ab:t: opt
do
  case $opt in
    a) aflag=1;;
    b) bflag=1
       bval="$OPTARG";;
    t) tflag=1
       tval="$OPTARG";;
    ?) printf "Usage: %s: [-a] [-b value] args\n" $0
       exit 2;;
  esac
done
if [ ! -z "$aflag" ]; then
  printf "Option -a specified\n"
fi
if [ ! -z "$bflag" ]; then
  printf 'Option -b "%s" specified\n' "$bval"
fi
if [ ! -z "$tflag" ]; then
  printf 'Option -t "%s" specified\n' "$tval"
fi
shift $(($OPTIND - 1))
printf "Remaining arguments are: %s\n" "$*"

>getopts.sh -b "this is my opt" -t hello\ all
Option -b "this is my opt" specified
Option -t "hello all" specified
Remaining arguments are:

parse_cmd () {

   getopts functionality

}


main () {
  parse_cmd $*
}
main $*