tests/ls/zero-option.sh
#!/bin/sh
# Verify behavior of ls --zero.

# Copyright 2021-2025 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_ ls

mkdir dir && touch dir/a dir/b dir/cc || framework_failure_

allowed_options='-l'  # explicit -l with --zero is allowed
LC_ALL=C ls $allowed_options --zero dir >out || fail=1
grep '^total' out || fail=1  # Ensure -l honored

disallowed_options='-l --dired'  # dired only enabled with -l
returns_ 2 ls $disallowed_options --zero dir || fail=1

disabled_options='--color=always -x -m -C -Q -q'
LC_ALL=C ls $disabled_options --zero dir >out || fail=1
tr '\n' '\0' <<EOF >exp
a
b
cc
EOF

compare exp out || fail=1

Exit $fail
