| 1 |
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| 2 | #### >&
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| 3 | echo hi 1>&2
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| 4 | ## stderr: hi
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| 5 |
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| 6 | #### <&
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| 7 | # Is there a simpler test case for this?
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| 8 | echo foo > $TMP/lessamp.txt
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| 9 | exec 6< $TMP/lessamp.txt
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| 10 | read line <&6
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| 11 | echo "[$line]"
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| 12 | ## stdout: [foo]
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| 13 |
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| 14 | #### Leading redirect
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| 15 | echo hello >$TMP/hello.txt # temporary fix
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| 16 | <$TMP/hello.txt cat
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| 17 | ## stdout: hello
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| 18 |
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| 19 | #### Nonexistent file
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| 20 | cat <$TMP/nonexistent.txt
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| 21 | echo status=$?
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| 22 | ## stdout: status=1
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| 23 | ## OK dash stdout: status=2
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| 24 |
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| 25 | #### Redirect in command sub
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| 26 | FOO=$(echo foo 1>&2)
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| 27 | echo $FOO
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| 28 | ## stdout:
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| 29 | ## stderr: foo
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| 30 |
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| 31 | #### Redirect in assignment
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| 32 | # dash captures stderr to a file here, which seems correct. Bash doesn't and
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| 33 | # just lets it go to actual stderr.
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| 34 | # For now we agree with dash/mksh, since it involves fewer special cases in the
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| 35 | # code.
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| 36 |
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| 37 | FOO=$(echo foo 1>&2) 2>$TMP/no-command.txt
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| 38 | echo FILE=
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| 39 | cat $TMP/no-command.txt
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| 40 | echo "FOO=$FOO"
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| 41 | ## STDOUT:
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| 42 | FILE=
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| 43 | foo
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| 44 | FOO=
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| 45 | ## END
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| 46 | ## BUG bash STDOUT:
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| 47 | FILE=
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| 48 | FOO=
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| 49 | ## END
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| 50 |
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| 51 | #### Redirect in function body.
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| 52 | fun() { echo hi; } 1>&2
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| 53 | fun
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| 54 | ## STDOUT:
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| 55 | ## END
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| 56 | ## STDERR:
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| 57 | hi
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| 58 | ## END
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| 59 |
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| 60 | #### Redirect in function body is evaluated multiple times
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| 61 | i=0
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| 62 | fun() { echo "file $i"; } 1> "$TMP/file$((i++))"
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| 63 | fun
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| 64 | fun
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| 65 | echo i=$i
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| 66 | echo __
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| 67 | cat $TMP/file0
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| 68 | echo __
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| 69 | cat $TMP/file1
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| 70 | ## STDOUT:
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| 71 | i=2
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| 72 | __
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| 73 | file 1
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| 74 | __
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| 75 | file 2
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| 76 | ## END
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| 77 | ## N-I dash stdout-json: ""
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| 78 | ## N-I dash status: 2
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| 79 |
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| 80 | #### Redirect in function body AND function call
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| 81 | fun() { echo hi; } 1>&2
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| 82 | fun 2>&1
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| 83 | ## stdout-json: "hi\n"
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| 84 | ## stderr-json: ""
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| 85 |
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| 86 | #### Descriptor redirect with spaces
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| 87 | # Hm this seems like a failure of lookahead! The second thing should look to a
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| 88 | # file-like thing.
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| 89 | # I think this is a posix issue.
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| 90 | # tag: posix-issue
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| 91 | echo one 1>&2
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| 92 | echo two 1 >&2
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| 93 | echo three 1>& 2
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| 94 | ## stderr-json: "one\ntwo 1\nthree\n"
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| 95 |
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| 96 | #### Filename redirect with spaces
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| 97 | # This time 1 *is* a descriptor, not a word. If you add a space between 1 and
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| 98 | # >, it doesn't work.
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| 99 | echo two 1> $TMP/file-redir1.txt
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| 100 | cat $TMP/file-redir1.txt
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| 101 | ## stdout: two
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| 102 |
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| 103 | #### Quoted filename redirect with spaces
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| 104 | # POSIX makes node of this
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| 105 | echo two \1 > $TMP/file-redir2.txt
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| 106 | cat $TMP/file-redir2.txt
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| 107 | ## stdout: two 1
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| 108 |
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| 109 | #### Descriptor redirect with filename
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| 110 | # bash/mksh treat this like a filename, not a descriptor.
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| 111 | # dash aborts.
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| 112 | echo one 1>&$TMP/nonexistent-filename__
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| 113 | echo "status=$?"
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| 114 | ## stdout: status=1
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| 115 | ## BUG bash stdout: status=0
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| 116 | ## OK dash stdout-json: ""
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| 117 | ## OK dash status: 2
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| 118 |
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| 119 | #### redirect for loop
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| 120 | for i in $(seq 3)
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| 121 | do
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| 122 | echo $i
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| 123 | done > $TMP/redirect-for-loop.txt
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| 124 | cat $TMP/redirect-for-loop.txt
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| 125 | ## stdout-json: "1\n2\n3\n"
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| 126 |
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| 127 | #### redirect subshell
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| 128 | ( echo foo ) 1>&2
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| 129 | ## stderr: foo
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| 130 | ## stdout-json: ""
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| 131 |
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| 132 | #### Prefix redirect for loop -- not allowed
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| 133 | >$TMP/redirect2.txt for i in $(seq 3)
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| 134 | do
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| 135 | echo $i
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| 136 | done
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| 137 | cat $TMP/redirect2.txt
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| 138 | ## status: 2
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| 139 | ## OK mksh status: 1
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| 140 |
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| 141 | #### Brace group redirect
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| 142 | # Suffix works, but prefix does NOT work.
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| 143 | # That comes from '| compound_command redirect_list' in the grammar!
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| 144 | { echo block-redirect; } > $TMP/br.txt
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| 145 | cat $TMP/br.txt | wc -c
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| 146 | ## stdout: 15
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| 147 |
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| 148 | #### Redirect echo to stderr, and then redirect all of stdout somewhere.
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| 149 | { echo foo 1>&2; echo 012345789; } > $TMP/block-stdout.txt
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| 150 | cat $TMP/block-stdout.txt | wc -c
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| 151 | ## stderr: foo
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| 152 | ## stdout: 10
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| 153 |
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| 154 | #### Redirect in the middle of two assignments
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| 155 | FOO=foo >$TMP/out.txt BAR=bar printenv.py FOO BAR
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| 156 | tac $TMP/out.txt
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| 157 | ## stdout-json: "bar\nfoo\n"
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| 158 |
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| 159 | #### Redirect in the middle of a command
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| 160 | f=$TMP/out
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| 161 | echo -n 1 2 '3 ' > $f
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| 162 | echo -n 4 5 >> $f '6 '
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| 163 | echo -n 7 >> $f 8 '9 '
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| 164 | echo -n >> $f 1 2 '3 '
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| 165 | echo >> $f -n 4 5 '6 '
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| 166 | cat $f
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| 167 | ## stdout-json: "1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 "
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| 168 |
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| 169 | #### Named file descriptor
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| 170 | exec {myfd}> $TMP/named-fd.txt
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| 171 | echo named-fd-contents >& $myfd
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| 172 | cat $TMP/named-fd.txt
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| 173 | ## stdout: named-fd-contents
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| 174 | ## status: 0
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| 175 | ## N-I dash/mksh stdout-json: ""
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| 176 | ## N-I dash/mksh status: 127
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| 177 |
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| 178 | #### Double digit fd (20> file)
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| 179 | exec 20> "$TMP/double-digit-fd.txt"
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| 180 | echo hello20 >&20
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| 181 | cat "$TMP/double-digit-fd.txt"
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| 182 | ## stdout: hello20
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| 183 | ## BUG dash stdout-json: ""
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| 184 | ## BUG dash status: 127
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| 185 |
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| 186 | #### : 9> fdleak (OSH regression)
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| 187 | true 9> "$TMP/fd.txt"
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| 188 | ( echo world >&9 )
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| 189 | cat "$TMP/fd.txt"
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| 190 | ## stdout-json: ""
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| 191 |
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| 192 | #### : 3>&3 (OSH regression)
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| 193 |
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| 194 | # mksh started being flaky on the continuous build and during release. We
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| 195 | # don't care! Related to issue #330.
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| 196 | case $SH in (mksh) exit ;; esac
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| 197 |
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| 198 | : 3>&3
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| 199 | echo hello
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| 200 | ## stdout: hello
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| 201 | ## BUG mksh stdout-json: ""
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| 202 | ## BUG mksh status: 0
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| 203 |
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| 204 | #### : 3>&3-
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| 205 | : 3>&3-
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| 206 | echo hello
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| 207 | ## stdout: hello
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| 208 | ## N-I dash/mksh stdout-json: ""
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| 209 | ## N-I mksh status: 1
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| 210 | ## N-I dash status: 2
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| 211 |
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| 212 | #### 3>&- << EOF (OSH regression: fail to restore fds)
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| 213 | exec 3> "$TMP/fd.txt"
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| 214 | echo hello 3>&- << EOF
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| 215 | EOF
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| 216 | echo world >&3
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| 217 | exec 3>&- # close
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| 218 | cat "$TMP/fd.txt"
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| 219 | ## STDOUT:
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| 220 | hello
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| 221 | world
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| 222 | ## END
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| 223 |
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| 224 | #### Open file on descriptor 3 and write to it many times
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| 225 |
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| 226 | # different than case below because 3 is the likely first FD of open()
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| 227 |
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| 228 | exec 3> "$TMP/fd3.txt"
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| 229 | echo hello >&3
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| 230 | echo world >&3
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| 231 | exec 3>&- # close
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| 232 | cat "$TMP/fd3.txt"
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| 233 | ## STDOUT:
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| 234 | hello
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| 235 | world
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| 236 | ## END
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| 237 |
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| 238 | #### Open file on descriptor 4 and write to it many times
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| 239 |
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| 240 | # different than the case above because because 4 isn't the likely first FD
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| 241 |
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| 242 | exec 4> "$TMP/fd4.txt"
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| 243 | echo hello >&4
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| 244 | echo world >&4
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| 245 | exec 4>&- # close
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| 246 | cat "$TMP/fd4.txt"
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| 247 | ## STDOUT:
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| 248 | hello
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| 249 | world
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| 250 | ## END
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| 251 |
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| 252 | #### Redirect function stdout
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| 253 | f() { echo one; echo two; }
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| 254 | f > $TMP/redirect-func.txt
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| 255 | cat $TMP/redirect-func.txt
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| 256 | ## stdout-json: "one\ntwo\n"
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| 257 |
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| 258 | #### Nested function stdout redirect
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| 259 | # Shows that a stack is necessary.
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| 260 | inner() {
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| 261 | echo i1
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| 262 | echo i2
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| 263 | }
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| 264 | outer() {
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| 265 | echo o1
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| 266 | inner > $TMP/inner.txt
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| 267 | echo o2
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| 268 | }
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| 269 | outer > $TMP/outer.txt
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| 270 | cat $TMP/inner.txt
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| 271 | echo --
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| 272 | cat $TMP/outer.txt
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| 273 | ## stdout-json: "i1\ni2\n--\no1\no2\n"
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| 274 |
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| 275 | #### Redirect to empty string
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| 276 | f=''
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| 277 | echo s > "$f"
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| 278 | echo "result=$?"
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| 279 | set -o errexit
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| 280 | echo s > "$f"
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| 281 | echo DONE
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| 282 | ## stdout: result=1
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| 283 | ## status: 1
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| 284 | ## OK dash stdout: result=2
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| 285 | ## OK dash status: 2
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| 286 |
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| 287 | #### Redirect to file descriptor that's not open
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| 288 | # Notes:
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| 289 | # - 7/2021: descriptor 7 seems to work on all CI systems. The process state
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| 290 | # isn't clean, but we could probably close it in OSH?
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| 291 | # - dash doesn't allow file descriptors greater than 9. (This is a good
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| 292 | # thing, because the bash chapter in AOSA book mentions that juggling user
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| 293 | # vs. system file descriptors is a huge pain.)
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| 294 | # - But somehow running in parallel under spec-runner.sh changes whether
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| 295 | # descriptor 3 is open. e.g. 'echo hi 1>&3'. Possibly because of
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| 296 | # /usr/bin/time. The _tmp/spec/*.task.txt file gets corrupted!
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| 297 | # - Oh this is because I use time --output-file. That opens descriptor 3. And
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| 298 | # then time forks the shell script. The file descriptor table is inherited.
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| 299 | # - You actually have to set the file descriptor to something. What do
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| 300 | # configure and debootstrap too?
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| 301 |
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| 302 | opened=$(ls /proc/$$/fd)
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| 303 | if echo "$opened" | egrep '^7$'; then
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| 304 | echo "FD 7 shouldn't be open"
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| 305 | echo "OPENED:"
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| 306 | echo "$opened"
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| 307 | fi
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| 308 |
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| 309 | echo hi 1>&7
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| 310 | ## stdout-json: ""
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| 311 | ## status: 1
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| 312 | ## OK dash status: 2
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| 313 |
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| 314 | #### Open descriptor with exec
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| 315 | # What is the point of this? ./configure scripts and debootstrap use it.
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| 316 | exec 3>&1
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| 317 | echo hi 1>&3
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| 318 | ## stdout: hi
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| 319 | ## status: 0
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| 320 |
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| 321 | #### Open multiple descriptors with exec
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| 322 | # What is the point of this? ./configure scripts and debootstrap use it.
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| 323 | exec 3>&1
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| 324 | exec 4>&1
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| 325 | echo three 1>&3
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| 326 | echo four 1>&4
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| 327 | ## stdout-json: "three\nfour\n"
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| 328 | ## status: 0
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| 329 |
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| 330 | #### >| to clobber
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| 331 | echo XX >| $TMP/c.txt
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| 332 |
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| 333 | set -o noclobber
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| 334 |
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| 335 | echo YY > $TMP/c.txt # not clobber
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| 336 | echo status=$?
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| 337 |
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| 338 | cat $TMP/c.txt
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| 339 | echo ZZ >| $TMP/c.txt
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| 340 |
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| 341 | cat $TMP/c.txt
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| 342 | ## STDOUT:
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| 343 | status=1
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| 344 | XX
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| 345 | ZZ
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| 346 | ## END
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| 347 | ## OK dash STDOUT:
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| 348 | status=2
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| 349 | XX
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| 350 | ZZ
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| 351 | ## END
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| 352 |
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| 353 | #### &> redirects stdout and stderr
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| 354 | tmp="$(basename $SH)-$$.txt" # unique name for shell and test case
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| 355 | #echo $tmp
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| 356 |
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| 357 | stdout_stderr.py &> $tmp
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| 358 |
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| 359 | # order is indeterminate
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| 360 | grep STDOUT $tmp
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| 361 | grep STDERR $tmp
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| 362 |
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| 363 | ## STDOUT:
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| 364 | STDOUT
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| 365 | STDERR
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| 366 | ## END
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| 367 | ## N-I dash stdout: STDOUT
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| 368 | ## N-I dash stderr: STDERR
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| 369 | ## N-I dash status: 1
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| 370 |
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| 371 | #### >&word redirects stdout and stderr when word is not a number or -
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| 372 |
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| 373 | # dash, mksh don't implement this bash behaviour.
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| 374 | case $SH in (dash|mksh) exit 1 ;; esac
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| 375 |
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| 376 | tmp="$(basename $SH)-$$.txt" # unique name for shell and test case
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| 377 |
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| 378 | stdout_stderr.py >&$tmp
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| 379 |
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| 380 | # order is indeterminate
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| 381 | grep STDOUT $tmp
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| 382 | grep STDERR $tmp
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| 383 |
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| 384 | ## STDOUT:
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| 385 | STDOUT
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| 386 | STDERR
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| 387 | ## END
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| 388 | ## N-I dash/mksh status: 1
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| 389 | ## N-I dash/mksh stdout-json: ""
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| 390 |
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| 391 | #### 1>&- to close file descriptor
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| 392 | exec 5> "$TMP/f.txt"
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| 393 | echo hello >&5
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| 394 | exec 5>&-
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| 395 | echo world >&5
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| 396 | cat "$TMP/f.txt"
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| 397 | ## stdout-json: "hello\n"
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| 398 |
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| 399 | #### 1>&2- to move file descriptor
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| 400 | exec 5> "$TMP/f.txt"
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| 401 | echo hello5 >&5
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| 402 | exec 6>&5-
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| 403 | echo world5 >&5
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| 404 | echo world6 >&6
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| 405 | exec 6>&-
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| 406 | cat "$TMP/f.txt"
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| 407 | ## stdout-json: "hello5\nworld6\n"
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| 408 | ## N-I dash status: 2
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| 409 | ## N-I dash stdout-json: ""
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| 410 | ## N-I mksh status: 1
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| 411 | ## N-I mksh stdout-json: ""
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| 412 |
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| 413 | #### 1>&2- (Bash bug: fail to restore closed fd)
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| 414 |
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| 415 | # 7/2021: descriptor 8 is open on Github Actions, so use descriptor 6 instead
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| 416 |
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| 417 | # Fix for CI systems where process state isn't clean: Close descriptors 6 and 7.
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| 418 | exec 6>&- 7>&-
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| 419 |
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| 420 | opened=$(ls /proc/$$/fd)
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| 421 | if echo "$opened" | egrep '^7$'; then
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| 422 | echo "FD 7 shouldn't be open"
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| 423 | echo "OPENED:"
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| 424 | echo "$opened"
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| 425 | fi
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| 426 | if echo "$opened" | egrep '^6$'; then
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| 427 | echo "FD 6 shouldn't be open"
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| 428 | echo "OPENED:"
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| 429 | echo "$opened"
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| 430 | fi
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| 431 |
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| 432 | exec 7> "$TMP/f.txt"
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| 433 | : 6>&7 7>&-
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| 434 | echo hello >&7
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| 435 | : 6>&7-
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| 436 | echo world >&7
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| 437 | exec 7>&-
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| 438 | cat "$TMP/f.txt"
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| 439 |
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| 440 | ## status: 1
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| 441 | ## stdout-json: ""
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| 442 |
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| 443 | ## OK dash status: 2
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| 444 |
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| 445 | ## BUG bash status: 0
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| 446 | ## BUG bash stdout: hello
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| 447 |
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| 448 | #### <> for read/write
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| 449 | echo first >$TMP/rw.txt
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| 450 | exec 8<>$TMP/rw.txt
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| 451 | read line <&8
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| 452 | echo line=$line
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| 453 | echo second 1>&8
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| 454 | echo CONTENTS
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| 455 | cat $TMP/rw.txt
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| 456 | ## stdout-json: "line=first\nCONTENTS\nfirst\nsecond\n"
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| 457 |
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| 458 | #### <> for read/write named pipes
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| 459 | rm -f "$TMP/f.pipe"
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| 460 | mkfifo "$TMP/f.pipe"
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| 461 | exec 8<> "$TMP/f.pipe"
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| 462 | echo first >&8
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| 463 | echo second >&8
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| 464 | read line1 <&8
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| 465 | read line2 <&8
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| 466 | exec 8<&-
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| 467 | echo line1=$line1 line2=$line2
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| 468 | ## stdout: line1=first line2=second
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| 469 |
|
| 470 | #### &>> appends stdout and stderr
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| 471 |
|
| 472 | # Fix for flaky tests: dash behaves non-deterministically under load! It
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| 473 | # doesn't implement the behavior anyway so I don't care why.
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| 474 | case $SH in
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| 475 | *dash)
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| 476 | exit 1
|
| 477 | ;;
|
| 478 | esac
|
| 479 |
|
| 480 | echo "ok" > $TMP/f.txt
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| 481 | stdout_stderr.py &>> $TMP/f.txt
|
| 482 | grep ok $TMP/f.txt >/dev/null && echo 'ok'
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| 483 | grep STDOUT $TMP/f.txt >/dev/null && echo 'ok'
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| 484 | grep STDERR $TMP/f.txt >/dev/null && echo 'ok'
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| 485 | ## STDOUT:
|
| 486 | ok
|
| 487 | ok
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| 488 | ok
|
| 489 | ## END
|
| 490 | ## N-I dash stdout-json: ""
|
| 491 | ## N-I dash status: 1
|
| 492 |
|
| 493 | #### exec redirect then various builtins
|
| 494 | exec 5>$TMP/log.txt
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| 495 | echo hi >&5
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| 496 | set -o >&5
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| 497 | echo done
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| 498 | ## STDOUT:
|
| 499 | done
|
| 500 | ## END
|
| 501 |
|
| 502 | #### >$file touches a file
|
| 503 | rm -f myfile
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| 504 | test -f myfile
|
| 505 | echo status=$?
|
| 506 | >myfile
|
| 507 | test -f myfile
|
| 508 | echo status=$?
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| 509 | ## STDOUT:
|
| 510 | status=1
|
| 511 | status=0
|
| 512 | ## END
|
| 513 | # regression for OSH
|
| 514 | ## stderr-json: ""
|
| 515 |
|
| 516 | #### $(< $file) yields the contents of the file
|
| 517 |
|
| 518 | echo FOO > myfile
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| 519 | foo=$(< myfile)
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| 520 | echo $foo
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| 521 | ## STDOUT:
|
| 522 | FOO
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| 523 | ## END
|
| 524 | ## N-I dash/ash/yash stdout-json: "\n"
|
| 525 |
|
| 526 | #### $(< file) with more statements
|
| 527 |
|
| 528 | # note that it doesn't do this without a command sub!
|
| 529 | # It's apparently a special case in bash, mksh, and zsh?
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| 530 | foo=$(echo begin; < myfile)
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| 531 | echo $foo
|
| 532 | echo ---
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| 533 |
|
| 534 | foo=$(< myfile; echo end)
|
| 535 | echo $foo
|
| 536 | echo ---
|
| 537 |
|
| 538 | foo=$(< myfile; <myfile)
|
| 539 | echo $foo
|
| 540 | echo ---
|
| 541 |
|
| 542 | ## STDOUT:
|
| 543 | begin
|
| 544 | ---
|
| 545 | end
|
| 546 | ---
|
| 547 |
|
| 548 | ---
|
| 549 | ## END
|
| 550 | # weird, zsh behaves differently
|
| 551 | ## OK zsh STDOUT:
|
| 552 | begin
|
| 553 | FOO
|
| 554 | ---
|
| 555 | FOO
|
| 556 | end
|
| 557 | ---
|
| 558 | FOO
|
| 559 | FOO
|
| 560 | ---
|
| 561 | ## END
|
| 562 |
|
| 563 |
|
| 564 | #### < file in pipeline and subshell doesn't work
|
| 565 | echo FOO > file2
|
| 566 |
|
| 567 | # This only happens in command subs, which is weird
|
| 568 | < file2 | tr A-Z a-z
|
| 569 | ( < file2 )
|
| 570 | echo end
|
| 571 | ## STDOUT:
|
| 572 | end
|
| 573 | ## END
|
| 574 |
|
| 575 | #### 2>&1 with no command
|
| 576 | ( exit 42 ) # status is reset after this
|
| 577 | echo status=$?
|
| 578 | 2>&1
|
| 579 | echo status=$?
|
| 580 | ## STDOUT:
|
| 581 | status=42
|
| 582 | status=0
|
| 583 | ## END
|
| 584 | ## stderr-json: ""
|
| 585 |
|
| 586 | #### 2&>1 (is it a redirect or is it like a&>1)
|
| 587 | 2&>1
|
| 588 | echo status=$?
|
| 589 | ## STDOUT:
|
| 590 | status=127
|
| 591 | ## END
|
| 592 | ## OK mksh/dash STDOUT:
|
| 593 | status=0
|
| 594 | ## END
|
| 595 |
|
| 596 | #### can't mention big file descriptor
|
| 597 | echo hi 9>&1
|
| 598 | # trivia: 23 is the max descriptor for mksh
|
| 599 | #echo hi 24>&1
|
| 600 | echo hi 99>&1
|
| 601 | echo hi 100>&1
|
| 602 | ## OK osh STDOUT:
|
| 603 | hi
|
| 604 | hi
|
| 605 | hi 100
|
| 606 | ## END
|
| 607 | ## STDOUT:
|
| 608 | hi
|
| 609 | hi 99
|
| 610 | hi 100
|
| 611 | ## END
|
| 612 | ## BUG bash STDOUT:
|
| 613 | hi
|
| 614 | hi
|
| 615 | hi
|
| 616 | ## END
|
| 617 |
|
| 618 | #### : >/dev/null 2> / (OSH regression: fail to pop fd frame)
|
| 619 | # oil 0.8.pre4 fails to restore fds after redirection failure. In the
|
| 620 | # following case, the fd frame remains after the redirection failure
|
| 621 | # "2> /" so that the effect of redirection ">/dev/null" remains after
|
| 622 | # the completion of the command.
|
| 623 | : >/dev/null 2> /
|
| 624 | echo hello
|
| 625 | ## stdout: hello
|
| 626 | ## OK dash stdout-json: ""
|
| 627 | ## OK dash status: 2
|
| 628 | ## OK mksh stdout-json: ""
|
| 629 | ## OK mksh status: 1
|
| 630 | # dash/mksh terminates the execution of script on the redirection.
|
| 631 |
|
| 632 | #### echo foo >&100 (OSH regression: does not fail with invalid fd 100)
|
| 633 | # oil 0.8.pre4 does not fail with non-existent fd 100.
|
| 634 | fd=100
|
| 635 | echo foo >&$fd
|
| 636 | ## stdout-json: ""
|
| 637 | ## status: 1
|
| 638 | ## OK dash status: 2
|
| 639 |
|
| 640 | #### echo foo >&N where N is first unused fd
|
| 641 | # 1. prepare default fd for internal uses
|
| 642 | minfd=10
|
| 643 | case ${SH##*/} in
|
| 644 | (mksh) minfd=24 ;;
|
| 645 | (osh) minfd=100 ;;
|
| 646 | esac
|
| 647 |
|
| 648 | # 2. prepare first unused fd
|
| 649 | fd=$minfd
|
| 650 | is-fd-open() { : >&$1; }
|
| 651 | while is-fd-open "$fd"; do
|
| 652 | : $((fd+=1))
|
| 653 |
|
| 654 | # prevent infinite loop for broken oils-for-unix
|
| 655 | if test $fd -gt 1000; then
|
| 656 | break
|
| 657 | fi
|
| 658 | done
|
| 659 |
|
| 660 | # 3. test
|
| 661 | echo foo >&$fd
|
| 662 | ## stdout-json: ""
|
| 663 | ## status: 1
|
| 664 | ## OK dash status: 2
|
| 665 |
|
| 666 | #### exec {fd}>&- (OSH regression: fails to close fd)
|
| 667 | # mksh, dash do not implement {fd} redirections.
|
| 668 | case $SH in (mksh|dash) exit 1 ;; esac
|
| 669 | # oil 0.8.pre4 fails to close fd by {fd}&-.
|
| 670 | exec {fd}>file1
|
| 671 | echo foo >&$fd
|
| 672 | exec {fd}>&-
|
| 673 | echo bar >&$fd
|
| 674 | cat file1
|
| 675 | ## stdout: foo
|
| 676 | ## N-I mksh/dash stdout-json: ""
|
| 677 | ## N-I mksh/dash status: 1
|