1#!/bin/sh
2# Ensure that zgrep -f - works like grep -f -
3# Before gzip-1.4, it would fail.
4
5# Copyright (C) 2009-2016 Free Software Foundation, Inc.
6
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.
11
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.
16
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <http://www.gnu.org/licenses/>.
19# limit so don't run it by default.
20
21. "${srcdir=.}/init.sh"; path_prepend_ .
22
23printf 'needle\nn2\n' > n || framework_failure_
24cp n haystack || framework_failure_
25gzip haystack || framework_failure_
26
27fail=0
28zgrep -f - haystack.gz < n > out 2>&1 || fail=1
29
30compare out n || fail=1
31
32if ${BASH_VERSION+:} false; then
33  set +o posix
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
38fi
39
40# This failed with gzip 1.4.
41echo a-b | zgrep -e - > /dev/null || fail=1
42
43Exit $fail
44