1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152
|
export LC_ALL=C
export LANG=C
# catch-all for remaining untested redirection stuff
set +o posix
echo abc > /tmp/redir-test
cat /tmp/redir-test
set -o noclobber
#this should be an error
echo def > /tmp/redir-test
cat /tmp/redir-test
# but this should succeed
echo def > /tmp/redir-test-2
cat /tmp/redir-test-2
# and so should this
echo def >| /tmp/redir-test
cat /tmp/redir-test
set +o noclobber
rm /tmp/redir-test /tmp/redir-test-2
# this should be an error
z="a b"
cat < $z
echo "Point 1"
exec 3</etc/passwd
exec 4>/tmp/bash-a
exec 5>/tmp/bash-b
echo "Point 2"
echo to a 1>&4
echo to b 1>&5
cat /tmp/bash-a
cat /tmp/bash-b
exec 11</dev/null
echo "Point 3"
echo to a 1>&4
echo to b 1>&5
cat /tmp/bash-a
cat /tmp/bash-b
exec 11<&-
echo "Point 4"
exec 6<>/tmp/bash-c
echo to c 1>&6
cat /tmp/bash-c
echo "Point 5"
rm -f /tmp/bash-a /tmp/bash-b /tmp/bash-c
#
# Test the effect of input buffering on the shell's input
#
${THIS_SH} < redir1.sub
# more open, close, duplicate file descriptors
${THIS_SH} ./redir3.sub < ./redir3.in1
# still more redirections
${THIS_SH} ./redir4.sub < redir4.in1
# various forms of null redirection
testf()
{
if [ -f "$1" ]; then
rm -f "$1"
else
echo oops -- $1 not found
fi
}
> /tmp/null-redir-a
testf /tmp/null-redir-a
$EXIT > /tmp/null-redir-b
testf /tmp/null-redir-b
( > /tmp/null-redir-c )
testf /tmp/null-redir-c
$EXIT > /tmp/null-redir-d &
wait
testf /tmp/null-redir-d
exit 3 | $EXIT > /tmp/null-redir-e
echo $? -- ${PIPESTATUS[@]}
testf /tmp/null-redir-e
exit 4 | > /tmp/null-redir-f
echo $? -- ${PIPESTATUS[@]}
testf /tmp/null-redir-f
> /tmp/null-redir-g &
wait
testf /tmp/null-redir-g
exec >/tmp/null-redir-h &
wait
testf /tmp/null-redir-h
# make sure async commands don't get /dev/null as stdin when an explicit
# input redirection is supplied
for x in 1 2 3; do
{ read line ; echo $line ; } &
wait
{ read line ; echo $line ; } &
wait
done << EOF
ab
cd
ef
gh
ij
kl
EOF
# make sure async commands get /dev/null as stdin in the absence of any
# input redirection
/bin/cat &
wait
echo $?
# make sure that loops work OK with here documents and are not run in
# subshells
while read line; do
echo $line
l2=$line
done << EOF
ab
cd
EOF
echo $l2
# These should not echo anything -- bug in versions before 2.04
( ( echo hello 1>&3 ) 3>&1 ) >/dev/null 2>&1
( ( echo hello 1>&3 ) 3>&1 ) >/dev/null 2>&1 | cat
# in posix mode, non-interactive shells are not allowed to perform
# filename expansion on input redirections, even if they expand to
# a single filename
set -o posix
cat < redir1.*
|