2 # Exercise zdiff with two compressed inputs.
3 # Before gzip-1.4, this would fail.
5 # Copyright (C) 2009-2024 Free Software Foundation, Inc.
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <https://www.gnu.org/licenses/>.
19 # limit so don't run it by default.
21 .
"${srcdir=.}/init.sh"; path_prepend_ ..
23 echo a
> a || framework_failure_
24 echo b
> b || framework_failure_
33 diff a b |
diff exp
- || skip_
"diff output format is incompatible with POSIX"
37 returns_
1 zdiff a.gz b.gz
> out
2> err || fail
=1
39 compare exp out || fail
=1
40 grep -v '^+' err
&& fail
=1
43 # expect success, for equal files
44 zdiff a.gz a.gz
> out
2> err || fail
=1