| 1 | ## oils_failures_allowed: 2
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| 2 | ## compare_shells: dash bash mksh
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| 3 |
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| 4 | #### Here string
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| 5 | cat <<< 'hi'
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| 6 | ## STDOUT:
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| 7 | hi
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| 8 | ## END
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| 9 | ## N-I dash stdout-json: ""
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| 10 | ## N-I dash status: 2
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| 11 |
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| 12 | #### Here string with $
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| 13 | cat <<< $'one\ntwo\n'
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| 14 | ## STDOUT:
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| 15 | one
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| 16 | two
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| 17 |
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| 18 | ## END
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| 19 | ## N-I dash stdout-json: ""
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| 20 | ## N-I dash status: 2
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| 21 |
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| 22 | #### Here redirect with explicit descriptor
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| 23 | # A space between 0 and <<EOF causes it to pass '0' as an arg to cat.
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| 24 | cat 0<<EOF
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| 25 | one
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| 26 | EOF
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| 27 | ## stdout: one
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| 28 |
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| 29 | #### Here doc from another input file descriptor
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| 30 | # NOTE: OSH fails on descriptor 9, but not descriptor 8? Is this because of
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| 31 | # the Python VM? How to inspect state?
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| 32 | read_from_fd.py 8 8<<EOF
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| 33 | here doc on descriptor
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| 34 | EOF
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| 35 | ## stdout: 8: here doc on descriptor
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| 36 |
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| 37 | #### Multiple here docs with different descriptors
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| 38 | read_from_fd.py 0 3 <<EOF 3<<EOF3
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| 39 | fd0
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| 40 | EOF
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| 41 | fd3
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| 42 | EOF3
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| 43 | ## STDOUT:
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| 44 | 0: fd0
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| 45 | 3: fd3
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| 46 | ## END
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| 47 |
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| 48 | #### Here doc with bad var delimiter
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| 49 | # Most shells accept this, but OSH is stricter.
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| 50 | cat <<${a}
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| 51 | here
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| 52 | ${a}
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| 53 | ## stdout: here
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| 54 | ## OK osh stdout-json: ""
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| 55 | ## OK osh status: 2
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| 56 |
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| 57 | #### Here doc with bad comsub delimiter
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| 58 | # bash is OK with this; dash isn't. Should be a parse error.
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| 59 | cat <<$(a)
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| 60 | here
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| 61 | $(a)
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| 62 | ## stdout-json: ""
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| 63 | ## status: 2
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| 64 | ## BUG bash stdout: here
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| 65 | ## BUG bash status: 0
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| 66 | ## OK mksh status: 1
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| 67 |
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| 68 | #### Here doc and < redirect -- last one wins
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| 69 |
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| 70 | echo hello >$TMP/hello.txt
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| 71 |
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| 72 | cat <<EOF <$TMP/hello.txt
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| 73 | here
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| 74 | EOF
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| 75 | ## stdout: hello
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| 76 |
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| 77 | #### < redirect and here doc -- last one wins
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| 78 |
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| 79 | echo hello >$TMP/hello.txt
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| 80 |
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| 81 | cat <$TMP/hello.txt <<EOF
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| 82 | here
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| 83 | EOF
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| 84 | ## stdout: here
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| 85 |
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| 86 | #### Here doc with var sub, command sub, arith sub
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| 87 | var=v
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| 88 | cat <<EOF
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| 89 | var: ${var}
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| 90 | command: $(echo hi)
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| 91 | arith: $((1+2))
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| 92 | EOF
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| 93 | ## STDOUT:
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| 94 | var: v
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| 95 | command: hi
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| 96 | arith: 3
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| 97 | ## END
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| 98 |
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| 99 | #### Here doc in middle. And redirects in the middle.
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| 100 | # This isn't specified by the POSIX grammar, but it's accepted by both dash and
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| 101 | # bash!
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| 102 | echo foo > foo.txt
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| 103 | echo bar > bar.txt
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| 104 | cat <<EOF 1>&2 foo.txt - bar.txt
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| 105 | here
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| 106 | EOF
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| 107 | ## STDERR:
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| 108 | foo
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| 109 | here
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| 110 | bar
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| 111 | ## END
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| 112 |
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| 113 | #### Here doc line continuation
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| 114 | cat <<EOF \
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| 115 | ; echo two
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| 116 | one
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| 117 | EOF
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| 118 | ## STDOUT:
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| 119 | one
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| 120 | two
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| 121 | ## END
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| 122 |
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| 123 | #### Here doc with quote expansion in terminator
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| 124 | cat <<'EOF'"2"
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| 125 | one
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| 126 | two
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| 127 | EOF2
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| 128 | ## STDOUT:
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| 129 | one
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| 130 | two
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| 131 | ## END
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| 132 |
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| 133 | #### Here doc with multiline double quoted string
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| 134 | cat <<EOF; echo "two
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| 135 | three"
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| 136 | one
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| 137 | EOF
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| 138 | ## STDOUT:
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| 139 | one
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| 140 | two
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| 141 | three
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| 142 | ## END
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| 143 |
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| 144 | #### Two here docs -- first is ignored; second ones wins!
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| 145 | <<EOF1 cat <<EOF2
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| 146 | hello
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| 147 | EOF1
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| 148 | there
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| 149 | EOF2
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| 150 | ## stdout: there
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| 151 |
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| 152 | #### Here doc with line continuation, then pipe. Syntax error.
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| 153 | cat <<EOF \
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| 154 | 1
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| 155 | 2
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| 156 | 3
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| 157 | EOF
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| 158 | | tac
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| 159 | ## status: 2
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| 160 | ## OK mksh status: 1
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| 161 |
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| 162 | #### Here doc with pipe on first line
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| 163 | cat <<EOF | tac
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| 164 | 1
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| 165 | 2
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| 166 | 3
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| 167 | EOF
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| 168 | ## STDOUT:
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| 169 | 3
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| 170 | 2
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| 171 | 1
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| 172 | ## END
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| 173 |
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| 174 | #### Here doc with pipe continued on last line
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| 175 | cat <<EOF |
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| 176 | 1
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| 177 | 2
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| 178 | 3
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| 179 | EOF
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| 180 | tac
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| 181 | ## STDOUT:
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| 182 | 3
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| 183 | 2
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| 184 | 1
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| 185 | ## END
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| 186 |
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| 187 | #### Here doc with builtin 'read'
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| 188 | # read can't be run in a subshell.
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| 189 | read v1 v2 <<EOF
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| 190 | val1 val2
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| 191 | EOF
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| 192 | echo =$v1= =$v2=
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| 193 | ## stdout: =val1= =val2=
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| 194 |
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| 195 | #### Compound command here doc
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| 196 | while read line; do
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| 197 | echo X $line
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| 198 | done <<EOF
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| 199 | 1
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| 200 | 2
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| 201 | 3
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| 202 | EOF
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| 203 | ## STDOUT:
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| 204 | X 1
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| 205 | X 2
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| 206 | X 3
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| 207 | ## END
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| 208 |
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| 209 |
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| 210 | #### Here doc in while condition and here doc in body
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| 211 | while cat <<E1 && cat <<E2; do cat <<E3; break; done
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| 212 | 1
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| 213 | E1
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| 214 | 2
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| 215 | E2
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| 216 | 3
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| 217 | E3
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| 218 | ## STDOUT:
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| 219 | 1
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| 220 | 2
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| 221 | 3
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| 222 | ## END
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| 223 |
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| 224 | #### Here doc in while condition and here doc in body on multiple lines
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| 225 | while cat <<E1 && cat <<E2
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| 226 | 1
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| 227 | E1
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| 228 | 2
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| 229 | E2
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| 230 | do
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| 231 | cat <<E3
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| 232 | 3
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| 233 | E3
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| 234 | break
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| 235 | done
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| 236 | ## STDOUT:
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| 237 | 1
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| 238 | 2
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| 239 | 3
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| 240 | ## END
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| 241 |
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| 242 | #### Here doc in while loop split up more
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| 243 | while cat <<E1
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| 244 | 1
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| 245 | E1
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| 246 |
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| 247 | cat <<E2
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| 248 | 2
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| 249 | E2
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| 250 |
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| 251 | do
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| 252 | cat <<E3
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| 253 | 3
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| 254 | E3
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| 255 | break
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| 256 | done
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| 257 | ## STDOUT:
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| 258 | 1
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| 259 | 2
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| 260 | 3
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| 261 | ## END
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| 262 |
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| 263 | #### Mixing << and <<-
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| 264 | cat <<-EOF; echo --; cat <<EOF2
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| 265 | one
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| 266 | EOF
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| 267 | two
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| 268 | EOF2
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| 269 | ## STDOUT:
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| 270 | one
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| 271 | --
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| 272 | two
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| 273 | ## END
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| 274 |
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| 275 |
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| 276 |
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| 277 | #### Two compound commands with two here docs
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| 278 | while read line; do echo X $line; done <<EOF; echo ==; while read line; do echo Y $line; done <<EOF2
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| 279 | 1
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| 280 | 2
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| 281 | EOF
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| 282 | 3
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| 283 | 4
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| 284 | EOF2
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| 285 | ## STDOUT:
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| 286 | X 1
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| 287 | X 2
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| 288 | ==
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| 289 | Y 3
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| 290 | Y 4
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| 291 | ## END
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| 292 |
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| 293 | #### Function def and execution with here doc
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| 294 | fun() { cat; } <<EOF; echo before; fun; echo after
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| 295 | 1
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| 296 | 2
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| 297 | EOF
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| 298 | ## STDOUT:
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| 299 | before
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| 300 | 1
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| 301 | 2
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| 302 | after
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| 303 | ## END
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| 304 |
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| 305 | #### Here doc as command prefix
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| 306 | <<EOF tac
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| 307 | 1
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| 308 | 2
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| 309 | 3
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| 310 | EOF
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| 311 | ## STDOUT:
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| 312 | 3
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| 313 | 2
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| 314 | 1
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| 315 | ## END
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| 316 |
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| 317 | # NOTE that you can have redirection AFTER the here doc thing. And you don't
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| 318 | # need a space! Those are operators.
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| 319 | #
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| 320 | # POSIX doesn't seem to have this? They have io_file, which is for
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| 321 | # filenames, and io_here, which is here doc. But about 1>&2 syntax? Geez.
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| 322 | #### Redirect after here doc
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| 323 | cat <<EOF 1>&2
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| 324 | out
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| 325 | EOF
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| 326 | ## stderr: out
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| 327 |
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| 328 | #### here doc stripping tabs
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| 329 | cat <<-EOF
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| 330 | 1
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| 331 | 2
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| 332 | 3 # 2 tabs are both stripped
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| 333 | 4 # spaces are preserved
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| 334 | EOF
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| 335 | ## STDOUT:
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| 336 | 1
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| 337 | 2
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| 338 | 3 # 2 tabs are both stripped
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| 339 | 4 # spaces are preserved
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| 340 | ## END
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| 341 |
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| 342 | #### Here doc within subshell with boolean
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| 343 | [[ $(cat <<EOF
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| 344 | foo
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| 345 | EOF
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| 346 | ) == foo ]]; echo $?
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| 347 | ## stdout: 0
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| 348 | ## N-I dash stdout: 127
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| 349 |
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| 350 | #### Here Doc in if condition
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| 351 | if cat <<EOF; then
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| 352 | here doc in IF CONDITION
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| 353 | EOF
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| 354 | echo THEN executed
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| 355 | fi
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| 356 | ## STDOUT:
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| 357 | here doc in IF CONDITION
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| 358 | THEN executed
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| 359 | ## END
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| 360 |
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| 361 | #### Nested here docs which are indented
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| 362 | cat <<- EOF
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| 363 | outside
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| 364 | $(cat <<- INSIDE
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| 365 | inside
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| 366 | INSIDE
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| 367 | )
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| 368 | EOF
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| 369 | ## STDOUT:
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| 370 | outside
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| 371 | inside
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| 372 | ## END
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| 373 |
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| 374 | #### Multiple here docs in pipeline
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| 375 | case $SH in *osh) exit ;; esac
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| 376 |
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| 377 | # The second instance reads its stdin from the pipe, and fd 5 from a here doc.
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| 378 | read_from_fd.py 3 3<<EOF3 | read_from_fd.py 0 5 5<<EOF5
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| 379 | fd3
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| 380 | EOF3
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| 381 | fd5
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| 382 | EOF5
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| 383 |
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| 384 | echo ok
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| 385 |
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| 386 | ## STDOUT:
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| 387 | 0: 3: fd3
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| 388 | 5: fd5
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| 389 | ok
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| 390 | ## END
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| 391 |
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| 392 | #### Multiple here docs in pipeline on multiple lines
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| 393 | case $SH in *osh) exit ;; esac
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| 394 |
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| 395 | # SKIPPED: hangs with osh on Debian
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| 396 | # The second instance reads its stdin from the pipe, and fd 5 from a here doc.
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| 397 | read_from_fd.py 3 3<<EOF3 |
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| 398 | fd3
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| 399 | EOF3
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| 400 | read_from_fd.py 0 5 5<<EOF5
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| 401 | fd5
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| 402 | EOF5
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| 403 |
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| 404 | echo ok
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| 405 |
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| 406 | ## STDOUT:
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| 407 | 0: 3: fd3
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| 408 | 5: fd5
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| 409 | ok
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| 410 | ## END
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| 411 |
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