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#!/bin/sh
# Test -u/--unbuffered option
# Copyright (C) 2016-2017 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 <http://www.gnu.org/licenses/>.
. "${srcdir=.}/testsuite/init.sh"; path_prepend_ ./sed
print_ver_ sed
printf "1\n2\n" > in1 || framework_failure_
# expected output for both programs
printf "1\n" >> exp || framework_failure_
# in unbuffered mode,
# sed should consume and print the first line,
# wc should see the rest of the input (second line).
# The second sed trims optional leading whitespace.
( sed -u 1q > out-sed ; wc -l | sed 's/^ *//' > out-wc ) < in1
compare_ exp out-sed || fail=1
compare_ exp out-wc || fail=1
Exit $fail
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