[thirdparty/bash.git] / tests / new-exp2.sub

#   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/>.
#
export LC_ALL=C
export LANG=C

# test out the new $(< filename) code
# it should be exactly equivalent to $(cat filename)

FILENAME=$TMPDIR/bashtmp.x$$

trap 'rm -f $FILENAME' 0

cat >$FILENAME << EOF
line 1
line 2
line 3
EOF

LINES1=$(cat $FILENAME)
LINES2=$(< $FILENAME)

if [[ $LINES1 != $LINES2 ]]; then
	echo 'whoops: $(< filename) failed'
fi

LINES2=$(< $TMPDIR/bashtmp.x*)
if [[ $LINES1 != $LINES2 ]]; then
	echo 'whoops: $(< filename) with glob expansion failed'
fi

# but the glob expansion in the redirection should fail in posix mode
set -o posix
exec 3>&2
exec 2>/dev/null
LINES2=$(< $TMPDIR/bashtmp.x*)
exec 2>&3
if [[ $LINES2 -gt 0 ]]; then
	echo "whoops: redirection glob expansion should be disabled in posix mode" >&2
fi
set +o posix

# now see what happens when we try it with a non-existent file
rm -f /tmp/redir-notthere
LINES3=$(< /tmp/redir-notthere)
echo $?

# These were bugs through bash-4.2
{ : "$({xxxxxxxxxxxxxxxxxxxx}</dev/stdin)"; } <<<'hi'
echo ${xxxxxxxxxxxxxxxxxxxx}

{ echo "$(1111111111111111111111</dev/stdin)"; } <<<'hi'
Commit	Line	Data
	1	# This program is free software: you can redistribute it and/or modify
	2	# it under the terms of the GNU General Public License as published by
	3	# the Free Software Foundation, either version 3 of the License, or
	4	# (at your option) any later version.
	5	#
	6	# This program is distributed in the hope that it will be useful,
	7	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	8	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	9	# GNU General Public License for more details.
	10	#
	11	# You should have received a copy of the GNU General Public License
	12	# along with this program. If not, see <http://www.gnu.org/licenses/>.
	13	#
	14	export LC_ALL=C
	15	export LANG=C
	16
	17	# test out the new $(< filename) code
	18	# it should be exactly equivalent to $(cat filename)
	19
	20	FILENAME=$TMPDIR/bashtmp.x$$
	21
	22	trap 'rm -f $FILENAME' 0
	23
	24	cat >$FILENAME << EOF
	25	line 1
	26	line 2
	27	line 3
	28	EOF
	29
	30	LINES1=$(cat $FILENAME)
	31	LINES2=$(< $FILENAME)
	32
	33	if [[ $LINES1 != $LINES2 ]]; then
	34	echo 'whoops: $(< filename) failed'
	35	fi
	36
	37	LINES2=$(< $TMPDIR/bashtmp.x*)
	38	if [[ $LINES1 != $LINES2 ]]; then
	39	echo 'whoops: $(< filename) with glob expansion failed'
	40	fi
	41
	42	# but the glob expansion in the redirection should fail in posix mode
	43	set -o posix
	44	exec 3>&2
	45	exec 2>/dev/null
	46	LINES2=$(< $TMPDIR/bashtmp.x*)
	47	exec 2>&3
	48	if [[ $LINES2 -gt 0 ]]; then
	49	echo "whoops: redirection glob expansion should be disabled in posix mode" >&2
	50	fi
	51	set +o posix
	52
	53	# now see what happens when we try it with a non-existent file
	54	rm -f /tmp/redir-notthere
	55	LINES3=$(< /tmp/redir-notthere)
	56	echo $?
	57
	58	# These were bugs through bash-4.2
	59	{ : "$({xxxxxxxxxxxxxxxxxxxx}</dev/stdin)"; } <<<'hi'
	60	echo ${xxxxxxxxxxxxxxxxxxxx}
	61
	62	{ echo "$(1111111111111111111111</dev/stdin)"; } <<<'hi'