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########################################################################
##
## Copyright (C) 2001-2025 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## 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 3 of the License, 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, see
## <https://www.gnu.org/licenses/>.
##
########################################################################
## -*- texinfo -*-
## @deftypefn {} {} csvwrite (@var{filename}, @var{x})
## @deftypefnx {} {} csvwrite (@var{filename}, @var{x}, @var{dlm_opt1}, @dots{})
## Write the numeric matrix @var{x} to the file @var{filename} in
## @w{comma-separated-value}@ (CSV) format.
##
## This function is equivalent to
##
## @example
## dlmwrite (@var{filename}, @var{x}, ",", @var{dlm_opt1}, @dots{})
## @end example
##
## Any optional arguments are passed directly to @code{dlmwrite}
## (@pxref{XREFdlmwrite,,@code{dlmwrite}}).
## @seealso{csvread, dlmwrite, dlmread}
## @end deftypefn
function csvwrite (filename, x, varargin)
dlmwrite (filename, x, ",", varargin{:});
endfunction
%!shared fname
%! fname = tempname ();
%!test
%! csvwrite (fname, magic (3));
%! data = csvread (fname);
%! unlink (fname);
%! assert (data, magic (3));
%!test
%! csvwrite (fname, magic (3), "precision", "%2.1f", "newline", "unix");
%! fid = fopen (fname, "rt");
%! txt = char (fread (fid,Inf,'char')');
%! fclose (fid);
%! unlink (fname);
%! assert (txt, "8.0,1.0,6.0\n3.0,5.0,7.0\n4.0,9.0,2.0\n");
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