1 # determine whether it's worthwhile to add a --line-length=N option to sort.
3 # Copyright (C) 1997 Free Software Foundation, Inc.
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
21 # Add the option and perform this test:
28 for line_len in 80 200 400 800 3000; do
30 echo "line length: $line_len"
31 write-file-of-size --bytes=$n_bytes --line-length=$line_len > in
33 # sort a file with $n-char lines using the default of N=30
36 # sort the same file with --line-length=$n
37 SORT_INITIAL_LINE_LENGTH=`expr $line_len + 1` $time sort in > x
43 # do this on at least SunOS, Linux, Solaris
46 # Solaris5.5.1, x86 dual PPro/200: none
47 # Linux 3.0.29 x86 P/100: 5-6% improvement for 80, 200, 400,
48 # but 1-2% penalty for 800 and 3000