######################################################################## ## ## Copyright (C) 2009-2021 The Octave Project Developers ## ## See the file COPYRIGHT.md in the top-level directory of this ## distribution or . ## ## 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 ## . ## ######################################################################## ## -*- texinfo -*- ## @deftypefn {} {} which name @dots{} ## Display the type of each @var{name}. ## ## If @var{name} is defined from a function file, the full name of the file is ## also displayed. ## @seealso{help, lookfor} ## @end deftypefn function varargout = which_own (varargin) if (nargin == 0 || ! iscellstr (varargin)) print_usage_own (); endif if (strcmp (varargin (end), "-all")) ##For loop so the removal of a path due to the search of one file doesn't ##affect the rest of the files for i = 1:nargin-1 paths = char ([]); do m = __which__ (varargin{i}); if (isempty (m.file)) break; endif which_aux (m, 1, nargout); rmpath (m.file (1: (strfind (m.file, "/") (end)))); paths = [paths ":" m.file(1:strfind(m.file, "/") (end))]; until (0) addpath (paths); endfor else m = __which__ (varargin{:}); which_aux (m, nargin, nargout); endif endfunction ##Auxillary which function function varargout = which_aux (m, n_in, n_out) ## Check whether each name is a variable, variables take precedence over ## functions in name resolution. for i = 1:n_in m(i).is_variable = evalin ("caller", ['exist ("' undo_string_escapes(m(i).name) '", "var")'], ""); if (m(i).is_variable) m(i).file = "variable"; endif endfor if (n_out == 0) for i = 1:n_in if (m(i).is_variable) printf ("'%s' is a variable\n", m(i).name); elseif (isempty (m(i).file)) if (! isempty (m(i).type)) printf ("'%s' is a %s\n", m(i).name, m(i).type); endif else if (isempty (m(i).type)) n_in m(i) if (isfolder (m(i).file)) printf ("'%s' is the directory %s\n", m(i).name, m(i).file); else printf ("'%s' is the file %s\n", m(i).name, m(i).file); endif else printf ("'%s' is a %s from the file %s\n", m(i).name, m(i).type, m(i).file); endif endif endfor else n_out varargout = {m.file}; ## Return type, instead of "", for built-in classes (bug #50541). ## FIXME: remove code if __which__ is updated to return path for classes idx = find (cellfun ("isempty", varargout)); if (idx) varargout(idx) = m(idx).type; endif endif endfunction %!test %! str = which ("ls"); %! assert (str(end-17:end), fullfile ("miscellaneous", "ls.m")); %!test %! str = which ("fftw"); %! assert (str(end-7:end), "fftw.oct"); %!test %! str = which ("inputParser"); %! assert (str, "built-in function"); %!test %! x = 3; %! str = which ("x"); %! assert (str, "variable"); %!assert (which ("__NO_SUCH_NAME__"), "") %!test %! str = which ("fftw"); %! assert (str(end-7:end), "fftw.oct"); %! fftw = 12; %! str = which ("fftw"); %! assert (str, "variable"); %! clear fftw; %! str = which ("fftw"); %! assert (str(end-7:end), "fftw.oct"); %!error which () %!error which (1)