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- ## Copyright (C) 1995, 1996 Kurt Hornik
- ##
- ## This file is part of Octave.
- ##
- ## Octave is free software; you can redistribute it and/or modify it
- ## under the terms of the GNU General Public License as published by
- ## the Free Software Foundation; either version 2, or (at your option)
- ## any later version.
- ##
- ## Octave is distributed in the hope that it will be useful, but
- ## WITHOUT ANY WARRANTY; without even the implied warranty of
- ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- ## General Public License for more details.
- ##
- ## You should have received a copy of the GNU General Public License
- ## along with Octave; see the file COPYING. If not, write to the Free
- ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- ## 02111-1307, USA.
-
- ## usage: strrep (s, x, y)
- ##
- ## Replace all occurences of the substring x of the string s with the
- ## string y.
-
- ## Author: Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at>
- ## Created: 11 November 1994
- ## Adapted-By: jwe
-
- function t = strrep (s, x, y)
-
- if (nargin <> 3)
- usage ("strrep (s, x, y)");
- endif
-
- if (! (isstr (s) && isstr (x) && isstr (y)))
- error ("strrep: all arguments must be strings");
- endif
-
- if (length (x) > length (s) || isempty (x))
- t = s;
- return;
- endif
-
- ind = findstr (s, x, 0);
- len = length (ind);
- if (len == 0)
- t = s;
- else
- s = toascii (s);
- x = toascii (x);
- y = toascii (y);
-
- l_x = length (x);
- tmp = s (1 : ind (1) - 1);
- t = [tmp, y];
- for k = 1 : len - 1
- tmp = s (ind (k) + l_x : ind (k+1) - 1);
- t = [t, tmp, y];
- endfor
- tmp = s (ind(len) + l_x : length (s));
- t = [t, tmp];
- t = setstr (t);
- endif
-
- endfunction
-