/usr/share/octave/packages/3.2/statistics-1.0.10/tblread.m is in octave-statistics 1.0.10-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | ## Copyright (C) 2008 Bill Denney
##
## 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 {Function File} {[@var{data}, @var{varnames}, @var{casenames}] =} tblread (@var{filename})
## @deftypefnx {Function File} {[@var{data}, @var{varnames}, @var{casenames}] =} tblread (@var{filename}, @var{delimeter})
## Read tabular data from an ascii file.
##
## @var{data} is read from an ascii data file named @var{filename} with
## an optional @var{delimeter}. The delimeter may be any single
## character or
## @itemize
## @item "space" " " (default)
## @item "tab" "\t"
## @item "comma" ","
## @item "semi" ";"
## @item "bar" "|"
## @end itemize
##
## The @var{data} is read starting at cell (2,2) where the
## @var{varnames} form a char matrix from the first row (starting at
## (1,2)) vertically concatenated, and the @var{casenames} form a char
## matrix read from the first column (starting at (2,1)) vertically
## concatenated.
## @seealso{tblwrite, csv2cell, cell2csv}
## @end deftypefn
## Author: Bill Denney <bill@denney.ws>
## Description: Read tabular data from a file
function [data, varnames, casenames] = tblread (f="", d=" ")
## Check arguments
if nargin < 1 || nargin > 2
print_usage ();
endif
if isempty (f)
## FIXME: open a file dialog box in this case when a file dialog box
## becomes available
error ("tblread: filename must be given")
endif
[d err] = __tbl_delim__ (d);
if ! isempty (err)
error ("tblread: %s", err)
endif
d = csv2cell (f, d);
data = cell2mat (d(2:end, 2:end));
varnames = strvcat (d(1,2:end));
casenames = strvcat (d(2:end,1));
endfunction
## Tests
%!shared d, v, c
%! d = [1 2;3 4];
%! v = ["a ";"bc"];
%! c = ["de";"f "];
%!test
%! [dt vt ct] = tblread ("tblread-space.dat");
%! assert (dt, d);
%! assert (vt, v);
%! assert (ct, c);
%!test
%! [dt vt ct] = tblread ("tblread-space.dat", " ");
%! assert (dt, d);
%! assert (vt, v);
%! assert (ct, c);
%!test
%! [dt vt ct] = tblread ("tblread-space.dat", "space");
%! assert (dt, d);
%! assert (vt, v);
%! assert (ct, c);
%!test
%! [dt vt ct] = tblread ("tblread-tab.dat", "tab");
%! assert (dt, d);
%! assert (vt, v);
%! assert (ct, c);
%!test
%! [dt vt ct] = tblread ("tblread-tab.dat", "\t");
%! assert (dt, d);
%! assert (vt, v);
%! assert (ct, c);
%!test
%! [dt vt ct] = tblread ("tblread-tab.dat", '\t');
%! assert (dt, d);
%! assert (vt, v);
%! assert (ct, c);
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