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function dirlist = dynareParallelDir(filename,PRCDir,Parallel)
% PARALLEL CONTEXT
% In a parallel context, this is a specialized version of dir() function.
%
% INPUTS
% o filename [] ...
% o PRCDir [] ...
% o Parallel [] ...
%
% OUTPUTS
% o dirlist [] ...
%
% Copyright (C) 2009-2013 Dynare Team
%
% 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/>.
dirlist=[];
for indPC=1:length(Parallel),
if ~ispc || strcmpi('unix',Parallel(indPC).OperatingSystem), %isunix || (~matlab_ver_less_than('7.4') && ismac),
if Parallel(indPC).Local==0,
if ~isempty(Parallel(indPC).Port),
ssh_token = ['-p ',Parallel(indPC).Port];
else
ssh_token = '';
end
if isoctave % Patch for peculiar behaviour of ssh-ls under Linux.
% It is necessary to capture the ls warning message.
% To do it under the ssh protocol it is necessary to redirect the ls message in a text file.
% The file is 'OctaveStandardOutputMessage.txt' and it is
% saved in the Model directory.
[check, ax]=system(['ssh ',ssh_token,' ',Parallel(indPC).UserName,'@',Parallel(indPC).ComputerName,' ls ',Parallel(indPC).RemoteDirectory,'/',PRCDir,'/',filename, ' 2> OctaveStandardOutputMessage.txt']);
else
[check, ax]=system(['ssh ',ssh_token,' ',Parallel(indPC).UserName,'@',Parallel(indPC).ComputerName,' ls ',Parallel(indPC).RemoteDirectory,'/',PRCDir,'/',filename]);
end
if check ~= 0 || ~isempty(strfind(ax,'No such file or directory'));
ax=[];
else
indax=regexp(ax,'\n');
colax=indax(1);
rowax=length(indax);
ax=reshape(ax',[colax rowax])';
ax=ax(:,1:end-1);
end
else
if isoctave % Patch for peculiar behaviour of ls under Linux.
% It is necessary to capture the ls warning message and properly manage the jolly char '*'!
[check ax]=system(['ls ' ,filename, ' 2> OctaveStandardOutputMessage.txt']);
if check ~= 0 || ~isempty(strfind(ax,'No such file or directory'));
ax=[];
end
else
try
ax=ls(filename);
catch
ax=[];
end
end
end
else
if isoctave % Patch for peculiar behaviour of ls under Windows.
if Parallel(indPC).Local==0,
ax0=dir(['\\',Parallel(indPC).ComputerName,'\',Parallel(indPC).RemoteDrive,'$\',Parallel(indPC).RemoteDirectory,'\',PRCDir,'\',filename]);
else
ax0=dir(filename);
end
if isempty(ax0),
ax='';
else
clear ax1;
for jax=1:length(ax0);
ax1{jax}=ax0(jax).name;
end
ax=char(ax1{:});
end
else
if Parallel(indPC).Local==0,
ax=ls(['\\',Parallel(indPC).ComputerName,'\',Parallel(indPC).RemoteDrive,'$\',Parallel(indPC).RemoteDirectory,'\',PRCDir,'\',filename]);
else
ax=ls(filename);
end
end
end
if isempty(dirlist),
dirlist=ax;
elseif ~isempty(ax),
dirlist = char(dirlist, ax);
end
end
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