C  Copyright (c) 2003-2010 University of Florida
C
C  This program 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 2 of the License, or
C  (at your option) any later version.

C  This program 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  The GNU General Public License is included in this distribution
C  in the file COPYRIGHT.
      subroutine convert_chars(string, char_to_replace, replacement)
c---------------------------------------------------------------------------
c   Converts all occurrences of a character in a string to a 
c   replacement char.
c---------------------------------------------------------------------------
      implicit none
      character*(*) string
      character char_to_replace, replacement

      integer i, n
      integer str_trimlen

      n = str_trimlen(string)
      do i = 1, n
         if (string(i:i) .eq. char_to_replace) 
     *        string(i:i) = replacement
      enddo

      return
      end
