coreutils/tests/ls/recursive.sh
Collin Funk ec77664a31 tests: avoid failures if 'ulimit -n' cannot set file descriptor limits
This fixes test failures seen on Haiku.

* tests/ls/recursive.sh: Run 'ls' even if ulimit fails.
* tests/split/r-chunk.sh: Run 'split' even if ulimit fails.
* tests/sort/sort-merge-fdlimit.sh: Skip test if 'ulimit -n' cannot set
file descriptor limits.
Reported by Bruno Haible.
2026-01-24 11:20:56 -08:00

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#!/bin/sh
# 4.1.1 and 4.1.2 had a bug whereby some recursive listings
# didn't include a blank line between per-directory groups of files.
# Copyright (C) 2001-2026 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_ ls
mkdir x y a b c a/1 a/2 a/3 || framework_failure_
touch f a/1/I a/1/II || framework_failure_
# This first example is from Andreas Schwab's bug report.
ls -R1 a b c > out || fail=1
cat <<EOF > exp
a:
1
2
3
a/1:
I
II
a/2:
a/3:
b:
c:
EOF
compare exp out || fail=1
rm -rf out exp
ls -R1 x y f > out || fail=1
cat <<EOF > exp
f
x:
y:
EOF
compare exp out || fail=1
# Check that we don't run out of file descriptors when visiting
# directories recursively.
mkdir -p $(seq 30 | tr '\n' '/') || framework_failure_
(ulimit -n 20; ls -R 1 > out 2> err) || fail=1
test $(wc -l < out) = 88 || fail=1
test $(wc -l < err) = 0 || fail=1
Exit $fail