mirror of https://github.com/n-hys/bash.git
210 lines
3.9 KiB
Plaintext
210 lines
3.9 KiB
Plaintext
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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: ${TMPDIR:=/tmp}
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export LC_ALL=C
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export LANG=C
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# catch-all for remaining untested redirection stuff
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set +o posix
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echo abc > /tmp/redir-test
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cat /tmp/redir-test
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set -o noclobber
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#this should be an error
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echo def > /tmp/redir-test
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cat /tmp/redir-test
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# but this should succeed
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echo def > /tmp/redir-test-2
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cat /tmp/redir-test-2
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# and so should this
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echo def >| /tmp/redir-test
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cat /tmp/redir-test
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set +o noclobber
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rm /tmp/redir-test /tmp/redir-test-2
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# this should be an error
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z="a b"
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cat < $z
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echo "Point 1"
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exec 3</etc/passwd
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exec 4>$TMPDIR/bash-a
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exec 5>$TMPDIR/bash-b
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echo "Point 2"
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echo to a 1>&4
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echo to b 1>&5
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cat $TMPDIR/bash-a
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cat $TMPDIR/bash-b
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exec 11</dev/null
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echo "Point 3"
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echo to a 1>&4
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echo to b 1>&5
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cat $TMPDIR/bash-a
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cat $TMPDIR/bash-b
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exec 11<&-
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echo "Point 4"
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exec 6<>$TMPDIR/bash-c
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echo to c 1>&6
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cat $TMPDIR/bash-c
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echo "Point 5"
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# clean up before running scripts
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exec 4>&- 5>&- 6<&-
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rm -f $TMPDIR/bash-a $TMPDIR/bash-b $TMPDIR/bash-c
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#
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# Test the effect of input buffering on the shell's input
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#
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${THIS_SH} < redir1.sub
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# more open, close, duplicate file descriptors
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${THIS_SH} ./redir3.sub < ./redir3.in1
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# still more redirections
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${THIS_SH} ./redir4.sub < redir4.in1
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# various forms of null redirection
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testf()
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{
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if [ -f "$1" ]; then
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rm -f "$1"
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else
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echo oops -- $1 not found
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fi
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}
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> $TMPDIR/null-redir-a
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testf $TMPDIR/null-redir-a
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$EXIT > $TMPDIR/null-redir-b
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testf $TMPDIR/null-redir-b
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( > $TMPDIR/null-redir-c )
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testf $TMPDIR/null-redir-c
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$EXIT > $TMPDIR/null-redir-d &
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wait
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testf $TMPDIR/null-redir-d
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exit 3 | $EXIT > $TMPDIR/null-redir-e
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echo $? -- ${PIPESTATUS[@]}
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testf $TMPDIR/null-redir-e
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exit 4 | > $TMPDIR/null-redir-f
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echo $? -- ${PIPESTATUS[@]}
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testf $TMPDIR/null-redir-f
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> $TMPDIR/null-redir-g &
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wait
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testf $TMPDIR/null-redir-g
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exec >$TMPDIR/null-redir-h &
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wait
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testf $TMPDIR/null-redir-h
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# make sure async commands don't get /dev/null as stdin when an explicit
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# input redirection is supplied
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for x in 1 2 3; do
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{ read line ; echo $line ; } &
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wait
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{ read line ; echo $line ; } &
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wait
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done << EOF
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ab
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cd
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ef
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gh
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ij
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kl
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EOF
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# make sure async commands get /dev/null as stdin in the absence of any
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# input redirection
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/bin/cat &
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wait
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echo $?
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# make sure that loops work OK with here documents and are not run in
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# subshells
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while read line; do
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echo $line
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l2=$line
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done << EOF
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ab
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cd
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EOF
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echo $l2
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# These should not echo anything -- bug in versions before 2.04
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( ( echo hello 1>&3 ) 3>&1 ) >/dev/null 2>&1
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( ( echo hello 1>&3 ) 3>&1 ) >/dev/null 2>&1 | cat
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# in posix mode, non-interactive shells are not allowed to perform
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# filename expansion on input redirections, even if they expand to
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# a single filename
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set -o posix
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cat < redir1.*
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# test ksh93 dup-and-close (move fd) redirections
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${THIS_SH} ./redir5.sub
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# test behavior after a write error with a builtin command
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${THIS_SH} ./redir6.sub
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# problem with redirections using fds bash uses internally
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: ${TMPDIR:=$TMPDIR}
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trap 'rm -f $TMPDIR/bash-redir-$$' 0 1 2 3 6 15
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echo before block
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{
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echo before redir
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exec 10>&1
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echo after redir
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} > $TMPDIR/bash-redir-$$
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echo after block
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${THIS_SH} ./redir7.sub
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${THIS_SH} ./redir8.sub
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exec 9>&2
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command exec 2>$TMPDIR/foo-$$
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echo whatsis >&2
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echo cat /tmp/foo
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cat $TMPDIR/foo-$$
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rm -f $TMPDIR/foo-$$
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exec 2>&9
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exec 9>&-
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${THIS_SH} ./redir9.sub
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${THIS_SH} ./redir10.sub
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${THIS_SH} ./redir11.sub
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