# HG changeset patch
# User jwe
# Date 834016912 0
# Node ID 039cda4dc95ad37388f93c6c1e468426959f0992
# Parent  0e065eb7e838b9bb64b256d7892b11ce94050034
[project @ 1996-06-05 23:21:52 by jwe]
Initial revision

diff -r 0e065eb7e838 -r 039cda4dc95a scripts/strings/strrep.m
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/strings/strrep.m	Wed Jun 05 23:21:52 1996 +0000
@@ -0,0 +1,61 @@
+# Copyright (C) 1995, 1996  Kurt Hornik
+# 
+# This program 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.
+# 
+# This program 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 this file.  If not, write to the Free Software Foundation,
+# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+function t = strrep (s, x, y)
+  
+# usage:  strrep (s, x, y)
+#
+# Replace all occurences of the substring x of the string s with the
+# string y.
+  
+# Written by Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> on 1994/10/11
+# Updated by Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at> on 1996/05/25  
+  
+  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