| 1 |
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| 2 | ## compare_shells: bash dash mksh zsh ash
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| 3 | ## oils_failures_allowed: 0
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| 4 |
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| 5 | #### echo keyword
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| 6 | echo done
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| 7 | ## stdout: done
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| 8 |
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| 9 | #### if/else
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| 10 | if false; then
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| 11 | echo THEN
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| 12 | else
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| 13 | echo ELSE
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| 14 | fi
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| 15 | ## stdout: ELSE
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| 16 |
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| 17 | #### Turn an array into an integer.
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| 18 | a=(1 2 3)
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| 19 | (( a = 42 ))
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| 20 | echo $a
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| 21 | ## stdout: 42
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| 22 | ## N-I dash/ash stdout-json: ""
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| 23 | ## N-I dash/ash status: 2
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| 24 |
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| 25 |
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| 26 | #### assign readonly -- one line
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| 27 | readonly x=1; x=2; echo hi
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| 28 | ## status: 1
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| 29 | ## OK dash/mksh/ash status: 2
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| 30 | ## STDOUT:
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| 31 | ## END
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| 32 |
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| 33 | #### assign readonly -- multiple lines
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| 34 | readonly x=1
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| 35 | x=2
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| 36 | echo hi
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| 37 | ## status: 1
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| 38 | ## OK dash/mksh/ash status: 2
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| 39 | ## STDOUT:
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| 40 | ## END
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| 41 | ## BUG bash status: 0
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| 42 | ## BUG bash STDOUT:
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| 43 | hi
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| 44 | ## END
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| 45 |
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| 46 | #### assign readonly -- multiple lines -- set -o posix
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| 47 | set -o posix
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| 48 | readonly x=1
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| 49 | x=2
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| 50 | echo hi
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| 51 | ## status: 1
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| 52 | ## OK dash/mksh/ash status: 2
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| 53 | ## STDOUT:
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| 54 | ## END
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| 55 |
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| 56 | #### unset readonly -- one line
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| 57 | readonly x=1; unset x; echo hi
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| 58 | ## STDOUT:
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| 59 | hi
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| 60 | ## END
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| 61 | ## OK dash/ash status: 2
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| 62 | ## OK zsh status: 1
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| 63 | ## OK dash/ash stdout-json: ""
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| 64 | ## OK zsh stdout-json: ""
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| 65 |
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| 66 | #### unset readonly -- multiple lines
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| 67 | readonly x=1
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| 68 | unset x
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| 69 | echo hi
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| 70 | ## OK dash/ash status: 2
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| 71 | ## OK zsh status: 1
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| 72 | ## OK dash/ash stdout-json: ""
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| 73 | ## OK zsh stdout-json: ""
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| 74 |
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| 75 | #### First word like foo$x() and foo$[1+2] (regression)
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| 76 |
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| 77 | # Problem: $x() func call broke this error message
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| 78 | foo$identity('z')
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| 79 |
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| 80 | foo$[1+2]
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| 81 |
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| 82 | echo DONE
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| 83 |
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| 84 | ## status: 2
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| 85 | ## OK mksh/zsh status: 1
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| 86 | ## STDOUT:
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| 87 | ## END
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| 88 |
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| 89 | #### Function names
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| 90 | foo$x() {
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| 91 | echo hi
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| 92 | }
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| 93 |
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| 94 | foo $x() {
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| 95 | echo hi
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| 96 | }
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| 97 |
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| 98 | ## status: 2
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| 99 | ## OK mksh/zsh status: 1
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| 100 | ## BUG zsh status: 0
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| 101 | ## STDOUT:
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| 102 | ## END
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| 103 |
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| 104 |
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| 105 | #### file with NUL byte
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| 106 | echo -e 'echo one \0 echo two' > tmp.sh
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| 107 | $SH tmp.sh
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| 108 | ## STDOUT:
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| 109 | one echo two
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| 110 | ## END
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| 111 | ## OK osh STDOUT:
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| 112 | one
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| 113 | ## END
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| 114 | ## N-I dash stdout-json: ""
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| 115 | ## N-I dash status: 127
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| 116 | ## OK bash stdout-json: ""
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| 117 | ## OK bash status: 126
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| 118 | ## OK zsh stdout-json: "one \u0000echo two\n"
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| 119 |
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| 120 | #### fastlex: PS1 format string that's incomplete / with NUL byte
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| 121 | case $SH in bash) exit ;; esac
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| 122 |
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| 123 | x=$'\\D{%H:%M' # leave off trailing }
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| 124 | echo x=${x@P}
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| 125 |
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| 126 | ## STDOUT:
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| 127 | x=\D{%H:%M
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| 128 | ## END
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| 129 |
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| 130 | # bash just ignores the missing }
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| 131 | ## BUG bash stdout-json: ""
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| 132 |
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| 133 | # These shells don't understand @P
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| 134 |
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| 135 | ## N-I dash/ash stdout-json: ""
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| 136 | ## N-I dash/ash status: 2
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| 137 |
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| 138 | ## N-I zsh stdout-json: ""
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| 139 | ## N-I zsh status: 1
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| 140 |
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| 141 |
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| 142 | #### 'echo' and printf fail on writing to full disk
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| 143 |
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| 144 | # Inspired by https://blog.sunfishcode.online/bugs-in-hello-world/
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| 145 |
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| 146 | echo hi > /dev/full
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| 147 | echo status=$?
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| 148 |
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| 149 | printf '%s\n' hi > /dev/full
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| 150 | echo status=$?
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| 151 |
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| 152 | ## STDOUT:
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| 153 | status=1
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| 154 | status=1
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| 155 | ## END
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| 156 |
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| 157 | #### other builtins fail on writing to full disk
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| 158 |
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| 159 | type echo > /dev/full
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| 160 | echo status=$?
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| 161 |
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| 162 | # other random builtin
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| 163 | ulimit -a > /dev/full
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| 164 | echo status=$?
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| 165 |
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| 166 | ## STDOUT:
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| 167 | status=1
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| 168 | status=1
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| 169 | ## END
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| 170 |
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| 171 | ## BUG mksh/zsh STDOUT:
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| 172 | status=0
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| 173 | status=0
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| 174 | ## END
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| 175 |
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| 176 | #### subshell while running a script (regression)
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| 177 | # Ensures that spawning a subshell doesn't cause a seek on the file input stream
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| 178 | # representing the current script (issue #1233).
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| 179 | cat >tmp.sh <<'EOF'
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| 180 | echo start
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| 181 | (:)
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| 182 | echo end
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| 183 | EOF
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| 184 | $SH tmp.sh
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| 185 | ## STDOUT:
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| 186 | start
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| 187 | end
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| 188 | ## END
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| 189 |
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| 190 | #### for loop (issue #1446)
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| 191 | case $SH in (dash|mksh|ash) exit ;; esac
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| 192 |
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| 193 | for (( n=0; n<(3-(1)); n++ )) ; do echo $n; done
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| 194 |
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| 195 | ## STDOUT:
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| 196 | 0
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| 197 | 1
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| 198 | ## END
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| 199 | ## N-I dash/mksh/ash STDOUT:
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| 200 | ## END
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| 201 |
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| 202 |
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| 203 |
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| 204 | #### for loop 2 (issue #1446)
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| 205 | case $SH in (dash|mksh|ash) exit ;; esac
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| 206 |
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| 207 |
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| 208 | for (( n=0; n<(3- (1)); n++ )) ; do echo $n; done
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| 209 |
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| 210 | ## STDOUT:
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| 211 | 0
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| 212 | 1
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| 213 | ## END
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| 214 | ## N-I dash/mksh/ash STDOUT:
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| 215 | ## END
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| 216 |
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| 217 | #### autoconf word split (#1449)
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| 218 |
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| 219 | mysed() {
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| 220 | for line in "$@"; do
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| 221 | echo "[$line]"
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| 222 | done
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| 223 | }
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| 224 |
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| 225 | sedinputs="f1 f2"
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| 226 | sedscript='my sed command'
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| 227 |
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| 228 | # Parsed and evaluated correctly: with word_part.EscapedLiteral \"
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| 229 |
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| 230 | x=$(eval "mysed -n \"\$sedscript\" $sedinputs")
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| 231 | echo '--- $()'
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| 232 | echo "$x"
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| 233 |
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| 234 | # With backticks, the \" gets lost somehow
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| 235 |
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| 236 | x=`eval "mysed -n \"\$sedscript\" $sedinputs"`
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| 237 | echo '--- backticks'
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| 238 | echo "$x"
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| 239 |
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| 240 |
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| 241 | # Test it in a case statement
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| 242 |
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| 243 | case `eval "mysed -n \"\$sedscript\" $sedinputs"` in
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| 244 | (*'[my sed command]'*)
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| 245 | echo 'NOT SPLIT'
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| 246 | ;;
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| 247 | esac
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| 248 |
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| 249 | ## STDOUT:
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| 250 | --- $()
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| 251 | [-n]
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| 252 | [my sed command]
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| 253 | [f1]
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| 254 | [f2]
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| 255 | --- backticks
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| 256 | [-n]
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| 257 | [my sed command]
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| 258 | [f1]
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| 259 | [f2]
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| 260 | NOT SPLIT
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| 261 | ## END
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| 262 |
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| 263 | #### autoconf arithmetic - relaxed eval_unsafe_arith (#1450)
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| 264 |
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| 265 | as_fn_arith ()
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| 266 | {
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| 267 | as_val=$(( $* ))
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| 268 | }
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| 269 | as_fn_arith 1 + 1
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| 270 | echo $as_val
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| 271 |
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| 272 | ## STDOUT:
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| 273 | 2
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| 274 | ## END
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| 275 |
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| 276 | #### command execution $(echo 42 | tee PWNED) not allowed
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| 277 |
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| 278 | rm -f PWNED
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| 279 |
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| 280 | x='a[$(echo 42 | tee PWNED)]=1'
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| 281 | echo $(( x ))
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| 282 |
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| 283 | if test -f PWNED; then
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| 284 | cat PWNED
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| 285 | else
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| 286 | echo NOPE
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| 287 | fi
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| 288 |
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| 289 | ## status: 1
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| 290 | ## OK dash/ash status: 2
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| 291 | ## stdout-json: ""
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| 292 | ## BUG bash/mksh/zsh status: 0
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| 293 | ## BUG bash/mksh/zsh STDOUT:
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| 294 | 1
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| 295 | 42
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| 296 | ## END
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| 297 |
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| 298 | #### process sub <(echo 42 | tee PWNED) not allowed
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| 299 |
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| 300 | rm -f PWNED
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| 301 |
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| 302 | x='a[<(echo 42 | tee PWNED)]=1'
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| 303 | echo $(( x ))
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| 304 |
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| 305 | if test -f PWNED; then
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| 306 | cat PWNED
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| 307 | else
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| 308 | echo NOPE
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| 309 | fi
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| 310 |
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| 311 | ## status: 1
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| 312 | ## stdout-json: ""
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| 313 |
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| 314 | ## OK dash/ash status: 2
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| 315 |
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| 316 | # bash keeps going
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| 317 | ## BUG bash status: 0
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| 318 | ## BUG bash STDOUT:
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| 319 | NOPE
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| 320 | ## END
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| 321 |
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| 322 |
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| 323 | #### unset doesn't allow command execution
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| 324 |
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| 325 | typeset -a a # for mksh
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| 326 | a=(42)
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| 327 | echo len=${#a[@]}
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| 328 |
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| 329 | unset -v 'a[$(echo 0 | tee PWNED)]'
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| 330 | echo len=${#a[@]}
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| 331 |
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| 332 | if test -f PWNED; then
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| 333 | echo PWNED
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| 334 | cat PWNED
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| 335 | else
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| 336 | echo NOPE
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| 337 | fi
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| 338 |
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| 339 | ## status: 1
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| 340 | ## STDOUT:
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| 341 | len=1
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| 342 | ## END
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| 343 |
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| 344 | ## N-I dash/ash status: 2
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| 345 | ## N-I dash/ash stdout-json: ""
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| 346 |
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| 347 | ## BUG bash/mksh status: 0
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| 348 | ## BUG bash/mksh STDOUT:
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| 349 | len=1
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| 350 | len=0
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| 351 | PWNED
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| 352 | 0
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| 353 | ## END
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| 354 |
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| 355 | ## BUG zsh status: 0
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| 356 | ## BUG zsh STDOUT:
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| 357 | len=1
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| 358 | len=1
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| 359 | PWNED
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| 360 | 0
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| 361 | ## END
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| 362 |
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