shred: fix pattern selection for certain iteration counts
[coreutils.git] / tests / split / guard-input.sh
blob1213ab04c0d8e6b3ef8ef2aba3c3793169d48550
1 #!/bin/sh
2 # ensure split doesn't overwrite input with output.
4 # Copyright (C) 2012-2015 Free Software Foundation, Inc.
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20 print_ver_ split
22 seq 10 | tee exp-1 > xaa
23 ln -s xaa in2
24 ln xaa in3
26 returns_ 1 split -C 6 xaa || fail=1
27 returns_ 1 split -C 6 in2 || fail=1
28 returns_ 1 split -C 6 in3 || fail=1
29 returns_ 1 split -C 6 - < xaa || fail=1
31 compare exp-1 xaa || fail=1
33 Exit $fail