Commit 43e2c9ec authored by Stéphane Adjemian's avatar Stéphane Adjemian
Browse files

Added a routine to test if a file exist.

parent 19c46dba
function a = isfile(b)
%@info:
%! @deftypefn {Function File} {@var{a} =} isfile (@var{b})
%! @anchor{isfile}
%! @sp 1
%! Test if @var{b} is a file.
%! @sp 2
%! @strong{Inputs}
%! @sp 1
%! @table @var
%! @item b
%! A matlab/octave string.
%! @end table
%! @sp 2
%! @strong{Outputs}
%! @sp 1
%! @table @var
%! @item a
%! Integer scalar, equal to 1 if @var{b} is a file, zero otherwise.
%! @end table
%! @sp 2
%! @strong{This function is called by:}
%! @sp 2
%! @strong{This function calls:}
%! @sp 2
%! @end deftypefn
%@eod:
% Copyright (C) 2012 Dynare Team
% stephane DOT adjemian AT ens DOT fr
%
% This file is part of Dynare.
%
% Dynare 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.
%
% Dynare 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 Dynare. If not, see <http://www.gnu.org/licenses/>.
[base,ext] = strtok(b,'.');
if isempty(ext)
% File has no extension.
[status, c] = fileattrib(b);
if status
a = ~c.directory;
else
a = 0;
end
else
a = isequal(exist(b,'file'),2);
end
\ No newline at end of file
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