Clone of Julia's versioninfo for Octave and MATLAB on Linux

versioninfo.m

function v = versioninfo()
%%% project: versioninfo (clone of Julia's versioninfo for Octave and MATLAB)
%%% version: 1.0 ( 2019-02-07 )
%%% authors: C. Himpe ( 0000-0003-2194-6754 )
%%% license: BSD 2-Clause License ( opensource.org/licenses/BSD-2-Clause )
%%% summary: Collect compute environment and version information on Linux

    % Interpreter name
    if(exist('OCTAVE_VERSION','builtin'))
        v.name = 'OCTAVE';
    else
        v.name = 'MATLAB';
    end

    % Interpreter version
    v.ver = version();

    % Operating system
    [s,o] = system('cat /etc/os-release | grep "PRETTY_NAME="');
    v.os = strtrim(o(14:end-2)); 

    % System word width
    [s,c] = system('uname -m');
    v.arch = strtrim(c);

    % Basic hardware info
    [s,p] = system('cat /proc/cpuinfo | grep "model name" | head -1');
    y = find(p==':');
    v.cpu = strtrim(p(y(1)+1:end-1));

    [s,m] = system('cat /proc/meminfo | grep "MemTotal" | head -1');
    y = find(m==':');
    v.mem = strtrim(m(y(1)+1:end-1));

    % BLAS / LAPACK library backends
    v.blas = version('-blas');
    v.lapack = version('-lapack');

    % Toolboxes
    v.pkg = ver();

    if(nargout==0)
        fprintf('\n');
        fprintf('  Interpreter: %s\n',v.name);
        fprintf('      Version: %s\n',v.ver);
        fprintf('       System: %s\n',v.os);
        fprintf(' Architecture: %s\n',v.arch);
        fprintf('    Processor: %s\n',v.cpu);
        fprintf('       Memory: %s\n',v.mem);
        fprintf('         BLAS: %s\n',v.blas);
        fprintf('       LAPACK: %s\n',v.lapack);
        fprintf('\n');
    end
end