gcc/fortran/doc/gfortran/intrinsic-procedures/iargc.rst

   1 ..
   2   Copyright 1988-2022 Free Software Foundation, Inc.
   3   This is part of the GCC manual.
   4   For copying conditions, see the copyright.rst file.
   5
   6 .. _iargc:
   7
   8 IARGC --- Get the number of command line arguments
   9 **************************************************
  10
  11 .. index:: IARGC, command-line arguments, command-line arguments, number of, arguments, to program
  12
  13 .. function:: IARGC()
  14
  15   ``IARGC`` returns the number of arguments passed on the
  16   command line when the containing program was invoked.
  17
  18   :return:
  19     The number of command line arguments, type ``INTEGER(4)``.
  20
  21   Standard:
  22     GNU extension
  23
  24   Class:
  25     Function
  26
  27   Syntax:
  28     .. code-block:: fortran
  29
  30       RESULT = IARGC()
  31
  32   Arguments:
  33     None
  34
  35   Example:
  36     See :ref:`GETARG`
  37
  38   See also:
  39     GNU Fortran 77 compatibility subroutine:
  40     :ref:`GETARG`
  41     Fortran 2003 functions and subroutines:
  42     :ref:`GET_COMMAND`,
  43     :ref:`GET_COMMAND_ARGUMENT`,
  44     :ref:`COMMAND_ARGUMENT_COUNT`