banner.m

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%>  \brief
%>  Return a scalar MATLAB string containing the ParaMonte MATLAB library banner.
%>
%>  \return
%>  ``str`` :   The output scalar MATLAB string containing the ParaMonte MATLAB library banner.
%>
%>  \interface{banner}
%>  \code{.m}
%>
%>      str = pm.lib.banner();
%>
%>  \endcode
%>
%>  \example{banner}
%>  \include{lineno} example/lib/banner/main.m
%>  \output{banner}
%>  \include{lineno} example/lib/banner/main.out.m
%>
%>  \final{banner}
%>
%>  \author
%>  \JoshuaOsborne, May 21 2024, 8:01 PM, University of Texas at Arlington<br>
%>  \FatemehBagheri, May 20 2024, 1:25 PM, NASA Goddard Space Flight Center (GSFC), Washington, D.C.<br>
%>  \AmirShahmoradi, May 16 2016, 9:03 AM, Oden Institute for Computational Engineering and Sciences (ICES), UT Austin<br>
function str = banner()
    pmvers = pm.lib.version();
    verlen = length(pmvers{1});
    offset = fix((verlen - 4) / 2);
    bannerFile = fullfile(pm.lib.path.auxil(), ".paramonte.banner");
    try
        str = strrep(fileread(bannerFile), string(repmat(' ', 1, offset)) + "Version 0.0.0", "Version " + pmvers);
        str = newline + strrep(str, string(char(13)), "") + newline;
    catch me
        weblinks = pm.lib.weblinks;
        warning ( newline ...
                + string(me.identifier) + " : " + string(me.message) + newline ...
                + "Failed to read the ParaMonte banner file: " ...
                + newline ...
                + pm.io.tab + bannerFile ...
                + newline ...
                + "The integrity of the ParaMonte library has been comprised. " ...
                + newline ...
                + "You can download a new or the latest version of the library from: " ...
                + newline ...
                + pm.io.tab + pm.web.href(weblinks.github.releases.latest.url) ...
                + newline ...
                );
        str = "";
    end
end