| 1 | ## compare_shells: bash dash mksh zsh ash
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| 2 | ## oils_failures_allowed: 0
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| 3 |
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| 4 | #### echo keyword
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| 5 | echo done
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| 6 | ## stdout: done
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| 7 |
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| 8 | #### if/else
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| 9 | if false; then
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| 10 | echo THEN
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| 11 | else
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| 12 | echo ELSE
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| 13 | fi
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| 14 | ## stdout: ELSE
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| 15 |
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| 16 | #### Turn an array into an integer.
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| 17 | a=(1 2 3)
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| 18 | (( a = 42 ))
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| 19 | echo $a
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| 20 | ## stdout: 42
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| 21 | ## N-I dash/ash stdout-json: ""
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| 22 | ## N-I dash/ash status: 2
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| 23 |
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| 24 |
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| 25 | #### assign readonly -- one line
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| 26 | readonly x=1; x=2; echo hi
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| 27 | ## status: 1
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| 28 | ## OK dash/mksh/ash status: 2
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| 29 | ## STDOUT:
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| 30 | ## END
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| 31 |
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| 32 | #### assign readonly -- multiple lines
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| 33 | readonly x=1
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| 34 | x=2
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| 35 | echo hi
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| 36 | ## status: 1
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| 37 | ## OK dash/mksh/ash status: 2
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| 38 | ## STDOUT:
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| 39 | ## END
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| 40 | ## BUG bash status: 0
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| 41 | ## BUG bash STDOUT:
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| 42 | hi
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| 43 | ## END
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| 44 |
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| 45 | #### assign readonly -- multiple lines -- set -o posix
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| 46 | set -o posix
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| 47 | readonly x=1
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| 48 | x=2
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| 49 | echo hi
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| 50 | ## status: 1
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| 51 | ## OK dash/mksh/ash status: 2
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| 52 | ## STDOUT:
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| 53 | ## END
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| 54 |
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| 55 | #### unset readonly -- one line
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| 56 | readonly x=1; unset x; echo hi
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| 57 | ## STDOUT:
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| 58 | hi
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| 59 | ## END
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| 60 | ## OK dash/ash status: 2
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| 61 | ## OK zsh status: 1
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| 62 | ## OK dash/ash stdout-json: ""
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| 63 | ## OK zsh stdout-json: ""
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| 64 |
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| 65 | #### unset readonly -- multiple lines
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| 66 | readonly x=1
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| 67 | unset x
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| 68 | echo hi
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| 69 | ## OK dash/ash status: 2
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| 70 | ## OK zsh status: 1
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| 71 | ## OK dash/ash stdout-json: ""
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| 72 | ## OK zsh stdout-json: ""
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| 73 |
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| 74 | #### First word like foo$x() and foo$[1+2] (regression)
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| 75 |
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| 76 | # Problem: $x() func call broke this error message
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| 77 | foo$identity('z')
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| 78 |
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| 79 | foo$[1+2]
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| 80 |
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| 81 | echo DONE
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| 82 |
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| 83 | ## status: 2
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| 84 | ## OK mksh/zsh status: 1
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| 85 | ## STDOUT:
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| 86 | ## END
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| 87 |
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| 88 | #### Function names
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| 89 | foo$x() {
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| 90 | echo hi
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| 91 | }
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| 92 |
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| 93 | foo $x() {
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| 94 | echo hi
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| 95 | }
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| 96 |
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| 97 | ## status: 2
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| 98 | ## OK mksh/zsh status: 1
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| 99 | ## BUG zsh status: 0
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| 100 | ## STDOUT:
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| 101 | ## END
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| 102 |
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| 103 |
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| 104 | #### file with NUL byte
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| 105 | echo -e 'echo one \0 echo two' > tmp.sh
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| 106 | $SH tmp.sh
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| 107 | ## STDOUT:
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| 108 | one echo two
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| 109 | ## END
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| 110 | ## OK osh STDOUT:
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| 111 | one
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| 112 | ## END
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| 113 | ## N-I dash stdout-json: ""
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| 114 | ## N-I dash status: 127
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| 115 | ## OK bash stdout-json: ""
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| 116 | ## OK bash status: 126
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| 117 | ## OK zsh stdout-json: "one \u0000echo two\n"
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| 118 |
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| 119 | #### fastlex: PS1 format string that's incomplete / with NUL byte
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| 120 | case $SH in bash) exit ;; esac
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| 121 |
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| 122 | x=$'\\D{%H:%M' # leave off trailing }
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| 123 | echo x=${x@P}
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| 124 |
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| 125 | ## STDOUT:
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| 126 | x=\D{%H:%M
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| 127 | ## END
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| 128 |
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| 129 | # bash just ignores the missing }
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| 130 | ## BUG bash stdout-json: ""
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| 131 |
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| 132 | # These shells don't understand @P
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| 133 |
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| 134 | ## N-I dash/ash stdout-json: ""
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| 135 | ## N-I dash/ash status: 2
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| 136 |
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| 137 | ## N-I zsh stdout-json: ""
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| 138 | ## N-I zsh status: 1
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| 139 |
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| 140 |
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| 141 | #### 'echo' and printf fail on writing to full disk
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| 142 |
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| 143 | # Inspired by https://blog.sunfishcode.online/bugs-in-hello-world/
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| 144 |
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| 145 | echo hi > /dev/full
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| 146 | echo status=$?
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| 147 |
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| 148 | printf '%s\n' hi > /dev/full
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| 149 | echo status=$?
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| 150 |
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| 151 | ## STDOUT:
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| 152 | status=1
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| 153 | status=1
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| 154 | ## END
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| 155 |
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| 156 | #### other builtins fail on writing to full disk
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| 157 |
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| 158 | type echo > /dev/full
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| 159 | echo status=$?
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| 160 |
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| 161 | # other random builtin
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| 162 | ulimit -a > /dev/full
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| 163 | echo status=$?
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| 164 |
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| 165 | ## STDOUT:
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| 166 | status=1
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| 167 | status=1
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| 168 | ## END
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| 169 |
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| 170 | ## BUG mksh/zsh STDOUT:
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| 171 | status=0
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| 172 | status=0
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| 173 | ## END
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| 174 |
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| 175 | #### subshell while running a script (regression)
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| 176 | # Ensures that spawning a subshell doesn't cause a seek on the file input stream
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| 177 | # representing the current script (issue #1233).
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| 178 | cat >tmp.sh <<'EOF'
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| 179 | echo start
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| 180 | (:)
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| 181 | echo end
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| 182 | EOF
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| 183 | $SH tmp.sh
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| 184 | ## STDOUT:
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| 185 | start
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| 186 | end
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| 187 | ## END
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| 188 |
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| 189 | #### for loop (issue #1446)
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| 190 | case $SH in (dash|mksh|ash) exit ;; esac
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| 191 |
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| 192 | for (( n=0; n<(3-(1)); n++ )) ; do echo $n; done
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| 193 |
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| 194 | ## STDOUT:
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| 195 | 0
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| 196 | 1
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| 197 | ## END
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| 198 | ## N-I dash/mksh/ash STDOUT:
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| 199 | ## END
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| 200 |
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| 201 |
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| 202 |
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| 203 | #### for loop 2 (issue #1446)
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| 204 | case $SH in (dash|mksh|ash) exit ;; esac
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| 205 |
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| 206 |
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| 207 | for (( n=0; n<(3- (1)); n++ )) ; do echo $n; done
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| 208 |
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| 209 | ## STDOUT:
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| 210 | 0
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| 211 | 1
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| 212 | ## END
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| 213 | ## N-I dash/mksh/ash STDOUT:
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| 214 | ## END
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| 215 |
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| 216 | #### autoconf word split (#1449)
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| 217 |
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| 218 | mysed() {
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| 219 | for line in "$@"; do
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| 220 | echo "[$line]"
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| 221 | done
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| 222 | }
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| 223 |
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| 224 | sedinputs="f1 f2"
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| 225 | sedscript='my sed command'
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| 226 |
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| 227 | # Parsed and evaluated correctly: with word_part.EscapedLiteral \"
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| 228 |
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| 229 | x=$(eval "mysed -n \"\$sedscript\" $sedinputs")
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| 230 | echo '--- $()'
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| 231 | echo "$x"
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| 232 |
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| 233 | # With backticks, the \" gets lost somehow
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| 234 |
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| 235 | x=`eval "mysed -n \"\$sedscript\" $sedinputs"`
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| 236 | echo '--- backticks'
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| 237 | echo "$x"
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| 238 |
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| 239 |
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| 240 | # Test it in a case statement
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| 241 |
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| 242 | case `eval "mysed -n \"\$sedscript\" $sedinputs"` in
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| 243 | (*'[my sed command]'*)
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| 244 | echo 'NOT SPLIT'
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| 245 | ;;
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| 246 | esac
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| 247 |
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| 248 | ## STDOUT:
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| 249 | --- $()
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| 250 | [-n]
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| 251 | [my sed command]
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| 252 | [f1]
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| 253 | [f2]
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| 254 | --- backticks
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| 255 | [-n]
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| 256 | [my sed command]
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| 257 | [f1]
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| 258 | [f2]
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| 259 | NOT SPLIT
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| 260 | ## END
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| 261 |
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| 262 | #### autoconf arithmetic - relaxed eval_unsafe_arith (#1450)
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| 263 |
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| 264 | as_fn_arith ()
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| 265 | {
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| 266 | as_val=$(( $* ))
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| 267 | }
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| 268 | as_fn_arith 1 + 1
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| 269 | echo $as_val
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| 270 |
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| 271 | ## STDOUT:
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| 272 | 2
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| 273 | ## END
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| 274 |
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| 275 | #### command execution $(echo 42 | tee PWNED) not allowed
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| 276 |
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| 277 | rm -f PWNED
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| 278 |
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| 279 | x='a[$(echo 42 | tee PWNED)]=1'
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| 280 | echo $(( x ))
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| 281 |
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| 282 | if test -f PWNED; then
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| 283 | cat PWNED
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| 284 | else
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| 285 | echo NOPE
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| 286 | fi
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| 287 |
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| 288 | ## status: 1
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| 289 | ## OK dash/ash status: 2
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| 290 | ## stdout-json: ""
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| 291 | ## BUG bash/mksh/zsh status: 0
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| 292 | ## BUG bash/mksh/zsh STDOUT:
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| 293 | 1
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| 294 | 42
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| 295 | ## END
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| 296 |
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| 297 | #### process sub <(echo 42 | tee PWNED) not allowed
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| 298 |
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| 299 | rm -f PWNED
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| 300 |
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| 301 | x='a[<(echo 42 | tee PWNED)]=1'
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| 302 | echo $(( x ))
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| 303 |
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| 304 | if test -f PWNED; then
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| 305 | cat PWNED
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| 306 | else
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| 307 | echo NOPE
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| 308 | fi
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| 309 |
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| 310 | ## status: 1
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| 311 | ## stdout-json: ""
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| 312 |
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| 313 | ## OK dash/ash status: 2
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| 314 |
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| 315 | # bash keeps going
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| 316 | ## BUG bash status: 0
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| 317 | ## BUG bash STDOUT:
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| 318 | NOPE
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| 319 | ## END
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| 320 |
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| 321 |
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| 322 | #### unset doesn't allow command execution
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| 323 |
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| 324 | typeset -a a # for mksh
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| 325 | a=(42)
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| 326 | echo len=${#a[@]}
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| 327 |
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| 328 | unset -v 'a[$(echo 0 | tee PWNED)]'
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| 329 | echo len=${#a[@]}
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| 330 |
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| 331 | if test -f PWNED; then
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| 332 | echo PWNED
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| 333 | cat PWNED
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| 334 | else
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| 335 | echo NOPE
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| 336 | fi
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| 337 |
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| 338 | ## status: 1
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| 339 | ## STDOUT:
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| 340 | len=1
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| 341 | ## END
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| 342 |
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| 343 | ## N-I dash/ash status: 2
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| 344 | ## N-I dash/ash stdout-json: ""
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| 345 |
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| 346 | ## BUG bash/mksh status: 0
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| 347 | ## BUG bash/mksh STDOUT:
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| 348 | len=1
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| 349 | len=0
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| 350 | PWNED
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| 351 | 0
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| 352 | ## END
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| 353 |
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| 354 | ## BUG zsh status: 0
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| 355 | ## BUG zsh STDOUT:
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| 356 | len=1
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| 357 | len=1
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| 358 | PWNED
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| 359 | 0
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| 360 | ## END
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| 361 |
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| 362 | #### printf integer size bug
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| 363 |
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| 364 | # from Koiche on Zulip
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| 365 |
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| 366 | printf '%x\n' 2147483648
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| 367 | printf '%u\n' 2147483648
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| 368 | ## STDOUT:
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| 369 | 80000000
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| 370 | 2147483648
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| 371 | ## END
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| 372 |
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| 373 | #### (( status bug
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| 374 |
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| 375 | # from Koiche on Zulip
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| 376 |
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| 377 | case $SH in dash|ash) exit ;; esac
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| 378 |
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| 379 | (( 1 << 32 ))
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| 380 | echo status=$?
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| 381 |
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| 382 | (( 1 << 32 )) && echo yes
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| 383 |
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| 384 | ## STDOUT:
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| 385 | status=0
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| 386 | yes
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| 387 | ## END
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| 388 |
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| 389 | ## N-I dash/ash STDOUT:
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| 390 | ## END
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