iw7-mod/deps/zstd/tests/gzip/zgrep-context.sh
2024-08-13 05:15:34 -04:00

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#!/bin/sh
# Ensure that zgrep -15 works. Before gzip-1.5, it would fail.
# Copyright (C) 2012-2016 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# limit so don't run it by default.
. "${srcdir=.}/init.sh"; path_prepend_ .
# A limited replacement for seq: handle 1 or 2 args; increment must be 1
seq()
{
case $# in
1) start=1 final=$1;;
2) start=$1 final=$2;;
*) echo you lose 1>&2; exit 1;;
esac
awk 'BEGIN{for(i='$start';i<='$final';i++) print i}' < /dev/null
}
seq 40 > in || framework_failure_
gzip < in > in.gz || framework_failure_
seq 2 32 > exp || framework_failure_
: ${GREP=grep}
$GREP -15 17 - < in > out && compare exp out || {
echo >&2 "$0: $GREP does not support context options; skipping this test"
exit 77
}
fail=0
zgrep -15 17 - < in.gz > out || fail=1
compare exp out || fail=1
Exit $fail