c     Copyright (C) 2008-2014 Vincent Eymet
c
c     KDISTRIBUTION is free software; you can redistribute it and/or modify
c     it under the terms of the GNU General Public License as published by
c     the Free Software Foundation; either version 3, or (at your option)
c     any later version.

c     KDISTRIBUTION is distributed in the hope that it will be useful,
c     but WITHOUT ANY WARRANTY; without even the implied warranty of
c     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
c     GNU General Public License for more details.

c     You should have received a copy of the GNU General Public License
c     along with KDISTRIBUTION; if not, see <http://www.gnu.org/licenses/>
c
      subroutine exec(command)
      implicit none
      include 'max.inc'
c
c     Purpose: to execute the provided system command
c     
c     Input:
c       + command: character string (maximum 100 characters) that
c         contains the system command to execute
c
      character*(Nchar_mx) command
c     label
      integer strlen
      character*(Nchar_mx) label
      label='subroutine exec'

      call system(command(1:strlen(command)))

      return
      end