| 1 | ## oils_failures_allowed: 0
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| 2 | ## compare_shells: dash bash mksh zsh ash
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| 3 |
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| 4 | # TODO mapfile options: -c, -C, -u, etc.
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| 5 |
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| 6 | #### echo dashes
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| 7 | echo -
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| 8 | echo --
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| 9 | echo ---
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| 10 | ## STDOUT:
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| 11 | -
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| 12 | --
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| 13 | ---
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| 14 | ## END
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| 15 | ## BUG zsh STDOUT:
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| 16 |
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| 17 | --
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| 18 | ---
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| 19 | ## END
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| 20 |
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| 21 | #### echo backslashes
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| 22 | echo \\
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| 23 | echo '\'
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| 24 | echo '\\'
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| 25 | echo "\\"
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| 26 | ## STDOUT:
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| 27 | \
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| 28 | \
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| 29 | \\
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| 30 | \
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| 31 | ## BUG dash/mksh/zsh STDOUT:
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| 32 | \
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| 33 | \
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| 34 | \
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| 35 | \
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| 36 | ## END
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| 37 |
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| 38 | #### echo -e backslashes
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| 39 | echo -e \\
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| 40 | echo -e '\'
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| 41 | echo -e '\\'
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| 42 | echo -e "\\"
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| 43 | echo
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| 44 |
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| 45 | # backslash at end of line
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| 46 | echo -e '\
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| 47 | line2'
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| 48 | ## STDOUT:
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| 49 | \
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| 50 | \
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| 51 | \
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| 52 | \
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| 53 |
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| 54 | \
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| 55 | line2
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| 56 | ## N-I dash STDOUT:
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| 57 | -e \
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| 58 | -e \
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| 59 | -e \
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| 60 | -e \
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| 61 |
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| 62 | -e \
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| 63 | line2
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| 64 | ## END
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| 65 |
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| 66 | #### echo builtin should disallow typed args - literal
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| 67 | echo (42)
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| 68 | ## status: 2
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| 69 | ## OK mksh/zsh status: 1
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| 70 | ## STDOUT:
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| 71 | ## END
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| 72 |
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| 73 | #### echo builtin should disallow typed args - variable
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| 74 | var x = 43
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| 75 | echo (x)
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| 76 | ## status: 2
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| 77 | ## OK mksh/zsh status: 1
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| 78 | ## STDOUT:
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| 79 | ## END
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| 80 |
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| 81 | #### echo -en
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| 82 | echo -en 'abc\ndef\n'
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| 83 | ## STDOUT:
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| 84 | abc
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| 85 | def
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| 86 | ## END
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| 87 | ## N-I dash STDOUT:
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| 88 | -en abc
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| 89 | def
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| 90 |
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| 91 | ## END
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| 92 |
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| 93 | #### echo -ez (invalid flag)
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| 94 | # bash differs from the other three shells, but its behavior is possibly more
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| 95 | # sensible, if you're going to ignore the error. It doesn't make sense for
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| 96 | # the 'e' to mean 2 different things simultaneously: flag and literal to be
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| 97 | # printed.
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| 98 | echo -ez 'abc\n'
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| 99 | ## STDOUT:
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| 100 | -ez abc\n
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| 101 | ## END
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| 102 | ## OK dash/mksh/zsh STDOUT:
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| 103 | -ez abc
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| 104 |
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| 105 | ## END
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| 106 |
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| 107 | #### echo -e with embedded newline
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| 108 | flags='-e'
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| 109 | case $SH in dash) flags='' ;; esac
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| 110 |
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| 111 | echo $flags 'foo
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| 112 | bar'
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| 113 | ## STDOUT:
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| 114 | foo
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| 115 | bar
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| 116 | ## END
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| 117 |
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| 118 | #### echo -e line continuation
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| 119 | flags='-e'
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| 120 | case $SH in dash) flags='' ;; esac
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| 121 |
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| 122 | echo $flags 'foo\
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| 123 | bar'
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| 124 | ## STDOUT:
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| 125 | foo\
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| 126 | bar
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| 127 | ## END
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| 128 |
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| 129 | #### echo -e with C escapes
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| 130 | # https://www.gnu.org/software/bash/manual/bashref.html#Bourne-Shell-Builtins
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| 131 | # not sure why \c is like NUL?
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| 132 | # zsh doesn't allow \E for some reason.
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| 133 | echo -e '\a\b\d\e\f'
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| 134 | ## stdout-json: "\u0007\u0008\\d\u001b\u000c\n"
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| 135 | ## N-I dash stdout-json: "-e \u0007\u0008\\d\\e\u000c\n"
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| 136 |
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| 137 | #### echo -e with whitespace C escapes
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| 138 | echo -e '\n\r\t\v'
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| 139 | ## stdout-json: "\n\r\t\u000b\n"
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| 140 | ## N-I dash stdout-json: "-e \n\r\t\u000b\n"
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| 141 |
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| 142 | #### \0
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| 143 | echo -e 'ab\0cd'
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| 144 | ## stdout-json: "ab\u0000cd\n"
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| 145 | ## N-I dash stdout-json: "-e ab\u0000cd\n"
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| 146 |
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| 147 | #### \c stops processing input
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| 148 | flags='-e'
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| 149 | case $SH in dash) flags='' ;; esac
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| 150 |
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| 151 | echo $flags xy 'ab\cde' 'zzz'
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| 152 | ## stdout-json: "xy ab"
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| 153 | ## N-I mksh stdout-json: "xy abde zzz"
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| 154 |
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| 155 | #### echo -e with hex escape
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| 156 | echo -e 'abcd\x65f'
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| 157 | ## STDOUT:
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| 158 | abcdef
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| 159 | ## END
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| 160 | ## N-I dash STDOUT:
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| 161 | -e abcd\x65f
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| 162 | ## END
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| 163 |
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| 164 | #### echo -e with octal escape
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| 165 | flags='-e'
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| 166 | case $SH in dash) flags='' ;; esac
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| 167 |
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| 168 | echo $flags 'abcd\044e'
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| 169 | ## STDOUT:
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| 170 | abcd$e
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| 171 | ## END
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| 172 |
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| 173 | #### echo -e with 4 digit unicode escape
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| 174 | flags='-e'
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| 175 | case $SH in dash) flags='' ;; esac
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| 176 |
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| 177 | echo $flags 'abcd\u0065f'
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| 178 | ## STDOUT:
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| 179 | abcdef
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| 180 | ## END
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| 181 | ## N-I dash/ash STDOUT:
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| 182 | abcd\u0065f
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| 183 | ## END
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| 184 |
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| 185 | #### echo -e with 8 digit unicode escape
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| 186 | flags='-e'
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| 187 | case $SH in dash) flags='' ;; esac
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| 188 |
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| 189 | echo $flags 'abcd\U00000065f'
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| 190 | ## STDOUT:
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| 191 | abcdef
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| 192 | ## END
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| 193 | ## N-I dash/ash STDOUT:
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| 194 | abcd\U00000065f
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| 195 | ## END
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| 196 |
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| 197 | #### \0377 is the highest octal byte
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| 198 | echo -en '\03777' | od -A n -t x1 | sed 's/ \+/ /g'
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| 199 | ## STDOUT:
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| 200 | ff 37
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| 201 | ## END
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| 202 | ## N-I dash STDOUT:
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| 203 | 2d 65 6e 20 ff 37 0a
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| 204 | ## END
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| 205 |
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| 206 | #### \0400 is one more than the highest octal byte
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| 207 | # It is 256 % 256 which gets interpreted as a NUL byte.
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| 208 | echo -en '\04000' | od -A n -t x1 | sed 's/ \+/ /g'
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| 209 | ## STDOUT:
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| 210 | 00 30
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| 211 | ## END
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| 212 | ## BUG ash STDOUT:
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| 213 | 20 30 30
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| 214 | ## END
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| 215 | ## N-I dash STDOUT:
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| 216 | 2d 65 6e 20 00 30 0a
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| 217 | ## END
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| 218 |
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| 219 | #### \0777 is out of range
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| 220 | flags='-en'
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| 221 | case $SH in dash) flags='-n' ;; esac
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| 222 |
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| 223 | echo $flags '\0777' | od -A n -t x1 | sed 's/ \+/ /g'
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| 224 | ## STDOUT:
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| 225 | ff
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| 226 | ## END
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| 227 | ## BUG mksh STDOUT:
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| 228 | c3 bf
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| 229 | ## END
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| 230 | ## BUG ash STDOUT:
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| 231 | 3f 37
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| 232 | ## END
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| 233 |
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| 234 | #### incomplete hex escape
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| 235 | echo -en 'abcd\x6' | od -A n -c | sed 's/ \+/ /g'
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| 236 | ## STDOUT:
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| 237 | a b c d 006
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| 238 | ## END
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| 239 | ## N-I dash STDOUT:
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| 240 | - e n a b c d \ x 6 \n
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| 241 | ## END
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| 242 |
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| 243 | #### \x
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| 244 | # I consider mksh and zsh a bug because \x is not an escape
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| 245 | echo -e '\x' '\xg' | od -A n -c | sed 's/ \+/ /g'
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| 246 | ## STDOUT:
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| 247 | \ x \ x g \n
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| 248 | ## END
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| 249 | ## N-I dash STDOUT:
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| 250 | - e \ x \ x g \n
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| 251 | ## END
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| 252 | ## BUG mksh/zsh STDOUT:
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| 253 | \0 \0 g \n
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| 254 | ## END
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| 255 |
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| 256 | #### incomplete octal escape
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| 257 | flags='-en'
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| 258 | case $SH in dash) flags='-n' ;; esac
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| 259 |
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| 260 | echo $flags 'abcd\04' | od -A n -c | sed 's/ \+/ /g'
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| 261 | ## STDOUT:
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| 262 | a b c d 004
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| 263 | ## END
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| 264 |
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| 265 | #### incomplete unicode escape
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| 266 | echo -en 'abcd\u006' | od -A n -c | sed 's/ \+/ /g'
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| 267 | ## STDOUT:
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| 268 | a b c d 006
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| 269 | ## END
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| 270 | ## N-I dash STDOUT:
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| 271 | - e n a b c d \ u 0 0 6 \n
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| 272 | ## END
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| 273 | ## BUG ash STDOUT:
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| 274 | a b c d \ u 0 0 6
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| 275 | ## END
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| 276 |
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| 277 | #### \u6
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| 278 | flags='-en'
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| 279 | case $SH in dash) flags='-n' ;; esac
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| 280 |
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| 281 | echo $flags '\u6' | od -A n -c | sed 's/ \+/ /g'
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| 282 | ## STDOUT:
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| 283 | 006
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| 284 | ## END
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| 285 | ## N-I dash/ash STDOUT:
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| 286 | \ u 6
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| 287 | ## END
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| 288 |
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| 289 | #### \0 \1 \8
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| 290 | # \0 is special, but \1 isn't in bash
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| 291 | # \1 is special in dash! geez
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| 292 | flags='-en'
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| 293 | case $SH in dash) flags='-n' ;; esac
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| 294 |
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| 295 | echo $flags '\0' '\1' '\8' | od -A n -c | sed 's/ \+/ /g'
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| 296 | ## STDOUT:
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| 297 | \0 \ 1 \ 8
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| 298 | ## END
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| 299 | ## BUG dash/ash STDOUT:
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| 300 | \0 001 \ 8
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| 301 | ## END
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| 302 |
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| 303 |
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| 304 | #### echo to redirected directory is an error
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| 305 | mkdir -p dir
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| 306 |
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| 307 | echo foo > ./dir
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| 308 | echo status=$?
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| 309 | printf foo > ./dir
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| 310 | echo status=$?
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| 311 |
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| 312 | ## STDOUT:
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| 313 | status=1
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| 314 | status=1
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| 315 | ## END
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| 316 | ## OK dash STDOUT:
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| 317 | status=2
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| 318 | status=2
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| 319 | ## END
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| 320 |
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