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### 8.50 `COMMAND_ARGUMENT_COUNT` — Get number of command line arguments

Description:
  `COMMAND_ARGUMENT_COUNT` returns the number of arguments passed on the command line when the containing program was invoked.
Standard:
  Fortran 2003 and later
Class:
  Inquiry function
Syntax:
  `RESULT = COMMAND_ARGUMENT_COUNT()`
Arguments:

  None

Return value:
  The return value is an `INTEGER` of default kind.
Example:

                program test_command_argument_count
                    integer :: count
                    count = command_argument_count()
                    print *, count
                end program test_command_argument_count

See also:
  GET_COMMAND, GET_COMMAND_ARGUMENT