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## Copyright (C) 2016-2025 Carnë Draug <carandraug@octave.org>
## Copyright (C) 2011-2025 Philip Nienhuis
##
## This program 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.
##
## This program 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 this program; if not, see
## <http:##www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {} {} __exit_io_package__ ()
## Undocumented internal function of io package.
##
## Deregister Qt help files for GUI doc browser.
## Remove io java jars loaded by io package functions from javaclasspath.
##
## @end deftypefn
## PKG_DEL: __exit_io__ ()
function __exit_io__ ()
## Package documentation
## On package unload, attempt to unload docs
try
pkg_dir = fileparts (fullfile (mfilename ("fullpath")));
doc_file = fullfile (pkg_dir, "doc", "io.qch");
doc_file = strrep (doc_file, '\', '/');
if exist(doc_file, "file")
if exist("__event_manager_unregister_documentation__")
__event_manager_unregister_documentation__ (doc_file);
elseif exist("__event_manager_unregister_doc__")
__event_manager_unregister_doc__ (doc_file);
endif
endif
catch
# do nothing
end_try_catch
## Java spreadsheet I/O jars.
## All we need to do is try to remove all Java spreadsheet class libs loaded
## by chk_spreadsheet_support.m from the javaclasspath ...
try
chk_spreadsheet_support ("", -1);
catch
warning ("Couldn't remove spreadsheet I/O javaclasspath entries while unloading io pkg\n");
end_try_catch
## .. followed by clearing binary modules.
clear -f cell2csv csv2cell col2num num2col csvconcat csvexplode
endfunction
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