2 # Ensure that zgrep -f - works like grep -f -
3 # Before gzip-1.4, it 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 printf 'needle\nn2\n' > n || framework_failure_
24 cp n haystack || framework_failure_
25 gzip haystack || framework_failure_
28 zgrep -f - haystack.gz
< n
> out
2>&1 || fail
=1
30 compare out n || fail
=1
32 if ${BASH_VERSION+:} false
; then
34 # This failed with gzip 1.6.
35 cat n n
>nn || framework_failure_
36 eval 'zgrep -h -f <(cat n) haystack.gz haystack.gz' >out || fail
=1
37 compare out nn || fail
=1
40 # This failed with gzip 1.4.
41 echo a-b |
zgrep -e - > /dev
/null || fail
=1