get_command_arguments_quoted Function

    function get_command_arguments_quoted() result(args)
    character(len=:),allocatable :: args
    character(len=:),allocatable :: arg
    character(len=1)             :: quote
    integer                      :: ilength, istatus, i
    ilength=0
    args=''
        quote=merge('"',"'",separator()=='\')
        do i=2,command_argument_count() ! look at all arguments after subcommand
            call get_command_argument(number=i,length=ilength,status=istatus)
            if(istatus /= 0) then
                write(stderr,'(*(g0,1x))')'<ERROR>*get_command_arguments_stack* error obtaining argument ',i
                exit
            else
                if(allocated(arg))deallocate(arg)
                allocate(character(len=ilength) :: arg)
                call get_command_argument(number=i,value=arg,length=ilength,status=istatus)
                if(istatus /= 0) then
                    write(stderr,'(*(g0,1x))')'<ERROR>*get_command_arguments_stack* error obtaining argument ',i
                    exit
                elseif(ilength>0)then
                    if(index(arg//' ','-')/=1)then
                        args=args//quote//arg//quote//' '
                    elseif(index(arg,' ')/=0)then
                        args=args//quote//arg//quote//' '
                    else
                        args=args//arg//' '
                    endif
                else
                    args=args//repeat(quote,2)//' '
                endif
             endif
         enddo
    end function get_command_arguments_quoted