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Pádraig Brady fdcfb10873 head,tail: quote name in file headers appropriately
* src/tail.c (write_header): Use quotef() to quote
file names when needed.
* src/head.c (write_header): Likewise.
* tests/head/quote-headers.sh: Add a new test.
* tests/tail/quote-headers.sh: Add a new test.
* tests/local.mk: Reference the new test.
Reported by Michał Majchrowicz.
2026-05-25 16:07:05 +01:00

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#!/bin/sh
# Ensure tail quotes file names appropriately in headers
# Before coreutils 9.12 'tail ...' would not quote problematic file names.
# Copyright (C) 2026 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/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ tail
NL='
'
touch "$NL" normal || framework_failure_
tail -n1 "$NL" normal >out || fail=1
cat<<\EOF>exp || framework_failure_
==> ''$'\n' <==
==> normal <==
EOF
compare exp out || fail=1
Exit $fail