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octave
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strcat.m
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1999-12-24
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## Copyright (C) 1996, 1997 John W. Eaton
##
## 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.
## -*- texinfo -*-
## @deftypefn {Function File} {} strcat (@var{s1}, @var{s2}, @dots{})
## Return a string containing all the arguments concatenated. For example,
##
## @example
## @group
## s = [ "ab"; "cde" ];
## strcat (s, s, s)
## @result{} "ab ab ab "
## "cdecdecde"
## @end group
## @end example
## @end deftypefn
## Author: jwe
function st = strcat (s, t, ...)
if (nargin > 1)
save_empty_list_elements_ok = empty_list_elements_ok;
unwind_protect
empty_list_elements_ok = 1;
if (isstr (s) && isstr (t))
tmpst = [s, t];
else
error ("strcat: all arguments must be strings");
endif
n = nargin - 2;
while (n--)
tmp = va_arg ();
if (isstr (tmp))
tmpst = [tmpst, tmp];
else
error ("strcat: all arguments must be strings");
endif
endwhile
unwind_protect_cleanup
empty_list_elements_ok = save_empty_list_elements_ok;
end_unwind_protect
else
usage ("strcat (s, t, ...)");
endif
st = tmpst;
endfunction