demo1.f90

program demo1
!!  @(#) using the convenience functions
use M_CLI2, only : set_args, get_args_fixed_size, set_mode
use M_CLI2, only : dget,  iget,  lget,  rget,  sget,  cget ! for scalars
use M_CLI2, only : dgets, igets, lgets, rgets, sgets, cgets ! for allocatable arrays
implicit none

!! DECLARE "ARGS"
real                           :: x,  y,  z,  point(3)
character(len=:), allocatable  :: title, anytitle
logical                        :: l,  lupper

   print *,'demo1: using the convenience functions'

   call set_mode('response_file')
!! SET ALL ARGUMENTS TO DEFAULTS WITH SHORT NAMES FOR LONG NAMES AND THEN ADD COMMAND LINE VALUES
   call set_args('-x 1.1 -y 2e3 -z -3.9 --point:p -1,-2,-3 --title:T "my title" --anytitle:a "my title" -l F -L F')

!! ALL DONE CRACKING THE COMMAND LINE. GET THE VALUES
   x = rget('x')
   y = rget('y')
   z = rget('z')
   l = lget('l')
   lupper = lget('L')
   title = sget('title') 
   anytitle = sget('anytitle') 

   ! With a fixed-size array to ensure the correct number of values are input use
   call get_args_fixed_size('point',point)

!! USE THE VALUES IN YOUR PROGRAM.
   write(*, '(*(g0:,1x))')'x=',x, 'y=',y, 'z=',z, 'SUM=',x+y+z, ' point=',point
   write(*, '(*(g0:,1x))')'title=', trim(title),  ' l=', l, 'L=', lupper
   write(*, '(*(g0:,1x))')'anytitle=', trim(anytitle)

end program demo1

!! NOTES: WHEN DEFINING THE PROTOTYPE
   !  o All parameters must be listed with a default value
   !  o string values must be double-quoted
   !  o numeric lists must be comma-delimited. No spaces are allowed
   !  o long keynames must be all lowercase but may be followed by :LETTER where LETTER is a
   !    single letter that may be of any case that will act as a short name for the same value.