1*01826a49SYabin Cui#!/bin/sh 2*01826a49SYabin Cui# Ensure that zgrep -f - works like grep -f - 3*01826a49SYabin Cui# Before gzip-1.4, it would fail. 4*01826a49SYabin Cui 5*01826a49SYabin Cui# Copyright (C) 2009-2016 Free Software Foundation, Inc. 6*01826a49SYabin Cui 7*01826a49SYabin Cui# This program is free software: you can redistribute it and/or modify 8*01826a49SYabin Cui# it under the terms of the GNU General Public License as published by 9*01826a49SYabin Cui# the Free Software Foundation, either version 3 of the License, or 10*01826a49SYabin Cui# (at your option) any later version. 11*01826a49SYabin Cui 12*01826a49SYabin Cui# This program is distributed in the hope that it will be useful, 13*01826a49SYabin Cui# but WITHOUT ANY WARRANTY; without even the implied warranty of 14*01826a49SYabin Cui# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*01826a49SYabin Cui# GNU General Public License for more details. 16*01826a49SYabin Cui 17*01826a49SYabin Cui# You should have received a copy of the GNU General Public License 18*01826a49SYabin Cui# along with this program. If not, see <https://www.gnu.org/licenses/>. 19*01826a49SYabin Cui# limit so don't run it by default. 20*01826a49SYabin Cui 21*01826a49SYabin Cui. "${srcdir=.}/init.sh"; path_prepend_ . 22*01826a49SYabin Cui 23*01826a49SYabin Cuiprintf 'needle\nn2\n' > n || framework_failure_ 24*01826a49SYabin Cuicp n haystack || framework_failure_ 25*01826a49SYabin Cuigzip haystack || framework_failure_ 26*01826a49SYabin Cui 27*01826a49SYabin Cuifail=0 28*01826a49SYabin Cuizgrep -f - haystack.gz < n > out 2>&1 || fail=1 29*01826a49SYabin Cui 30*01826a49SYabin Cuicompare out n || fail=1 31*01826a49SYabin Cui 32*01826a49SYabin Cuiif ${BASH_VERSION+:} false; then 33*01826a49SYabin Cui set +o posix 34*01826a49SYabin Cui # This failed with gzip 1.6. 35*01826a49SYabin Cui cat n n >nn || framework_failure_ 36*01826a49SYabin Cui eval 'zgrep -h -f <(cat n) haystack.gz haystack.gz' >out || fail=1 37*01826a49SYabin Cui compare out nn || fail=1 38*01826a49SYabin Cuifi 39*01826a49SYabin Cui 40*01826a49SYabin Cui# This failed with gzip 1.4. 41*01826a49SYabin Cuiecho a-b | zgrep -e - > /dev/null || fail=1 42*01826a49SYabin Cui 43*01826a49SYabin CuiExit $fail 44