/usr/share/octave/packages/io-2.4.5/private/__JXL_getusedrange__.m is in octave-io 2.4.5-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | ## Copyright (C) 2010-2016 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/>.
## __JXL_getusedrange__ - get occupied data cell range from Excel sheet
## using java/JExcelAPI
## Author: Philip Nienhuis <prnienhuis at users.sf.net>
## Created: 2010-03-20
function [ trow, brow, lcol, rcol ] = __JXL_getusedrange__ (xls, wsh)
persistent emptycell = (__java_get__ ("jxl.CellType", "EMPTY")).toString ();
sh = xls.workbook.getSheet (wsh - 1); ## JXL sheet count 0-based
brow = sh.getRows ();
rcol = sh.getColumns ();
if (brow == 0 || rcol == 0)
## Empty sheet
trow = 0; lcol = 0; brow = 0; rcol = 0;
else
trow = brow + 1;
lcol = rcol + 1;
## For loop coz we must check ALL rows for leftmost column
for ii=0:brow-1
emptyrow = 1;
jj = 0;
## While loop => only til first non-empty cell
while (jj < rcol && emptyrow)
cell = sh.getCell (jj, ii);
if (! strcmp (char (cell.getType ()), emptycell))
lcol = min (lcol, jj + 1);
emptyrow = 0;
endif
++jj;
endwhile
if (! emptyrow)
trow = min (trow, ii + 1);
endif
endfor
endif
endfunction
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