Mercurial > fem-fenics-eugenio
view inst/ufl.m @ 223:8b159045242f
ufl errors out if filename exists when start command is issued
author | Eugenio Gianniti <eugenio.gianniti@mail.polimi.it> |
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date | Wed, 21 May 2014 18:16:05 +0200 |
parents | 6671cb83a2dd |
children | a108a0bfe201 |
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## Copyright (C) 2014 Eugenio Gianniti <eugenio.gianniti@mail.polimi.it> ## ## 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 3 of the License, 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 program; if not, see <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Function File} ufl [command] line ## ## Writes the given line to a ufl file. Optional commands are: ## @itemize @bullet ## @item start: opens an ufl file. It is possible to specify a name for it, ## otherwise 'default.ufl' will be used. ## @item end: closes an ufl file. ## @end itemize ## ## @end deftypefn function ufl (varargin) persistent fid = -1; filename = "default.ufl"; if (numel (varargin) < 1) if (! is_valid_file_id (fid)) print_usage (); endif elseif (! all (cellfun ("ischar", varargin))) error ("ufl: all arguments should be strings"); elseif (strcmpi (varargin{1}, "start")) if (is_valid_file_id (fid)) error ("ufl: a file is already open"); else if (numel (varargin) > 1) filename = varargin{2}; if (isempty (regexpi (filename, ".ufl$", "match"))) filename = [filename, ".ufl"]; endif endif [~, err, ~] = stat (filename); if (err == 0) error (["ufl: a file named ", filename, " already exists"]); else fid = fopen (filename, "w"); endif endif if (! is_valid_file_id (fid)) error (["ufl: could not open file ", filename]); endif elseif (strcmpi (varargin{1}, "end")) if (! is_valid_file_id (fid)) error ("ufl: no open file"); else fclose (fid); fid = -1; endif elseif (! is_valid_file_id (fid)) error ("ufl: no open file"); else if (is_valid_file_id (fid)) fprintf (fid, "%s ", varargin{:}); fprintf (fid, "\n"); else error ("ufl: no open file"); endif endif endfunction