| 1 | ## oils_failures_allowed: 3
 | 
| 2 | ## compare_shells: bash dash mksh zsh yash
 | 
| 3 | 
 | 
| 4 | #### Fatal error
 | 
| 5 | # http://landley.net/notes.html#20-06-2020
 | 
| 6 | 
 | 
| 7 | abc=${a?bc} echo hello; echo blah
 | 
| 8 | ## status: 1
 | 
| 9 | ## OK yash/dash status: 2
 | 
| 10 | ## stdout-json: ""
 | 
| 11 | 
 | 
| 12 | #### setting readonly var (bash is only one where it's non-fatal)
 | 
| 13 | # http://landley.net/notes.html#20-06-2020
 | 
| 14 | 
 | 
| 15 | readonly abc=123
 | 
| 16 | abc=def
 | 
| 17 | echo status=$?
 | 
| 18 | ## status: 2
 | 
| 19 | ## stdout-json: ""
 | 
| 20 | ## OK osh/zsh status: 1
 | 
| 21 | ## OK bash status: 0
 | 
| 22 | ## BUG bash STDOUT:
 | 
| 23 | status=1
 | 
| 24 | ## END
 | 
| 25 | 
 | 
| 26 | #### readonly with temp binding
 | 
| 27 | # http://landley.net/notes.html#20-06-2020
 | 
| 28 | 
 | 
| 29 | # temp binding
 | 
| 30 | readonly abc=123
 | 
| 31 | abc=def echo one
 | 
| 32 | echo status=$?
 | 
| 33 | 
 | 
| 34 | echo potato < /does/not/exist || echo hello
 | 
| 35 | 
 | 
| 36 | ## status: 2
 | 
| 37 | ## stdout-json: ""
 | 
| 38 | ## OK osh/bash status: 0
 | 
| 39 | ## OK osh/bash STDOUT:
 | 
| 40 | one
 | 
| 41 | status=0
 | 
| 42 | hello
 | 
| 43 | ## END
 | 
| 44 | ## OK zsh status: 1
 | 
| 45 | 
 | 
| 46 | #### Failed redirect in assignment, vs. export
 | 
| 47 | 
 | 
| 48 | abc=def > /does/not/exist1
 | 
| 49 | echo abc=$abc
 | 
| 50 | 
 | 
| 51 | export abc=def > /does/not/exist2
 | 
| 52 | echo abc=$abc
 | 
| 53 | 
 | 
| 54 | ## STDOUT:
 | 
| 55 | abc=
 | 
| 56 | abc=
 | 
| 57 | ## END
 | 
| 58 | ## BUG bash STDOUT:
 | 
| 59 | abc=def
 | 
| 60 | abc=def
 | 
| 61 | ## END
 | 
| 62 | ## OK dash/mksh STDOUT:
 | 
| 63 | abc=
 | 
| 64 | ## END
 | 
| 65 | ## OK dash status: 2
 | 
| 66 | ## OK mksh status: 1
 | 
| 67 | 
 | 
| 68 | #### Evaluation order of redirect and ${undef?error}
 | 
| 69 | # http://landley.net/notes.html#12-06-2020
 | 
| 70 | rm *
 | 
| 71 | 
 | 
| 72 | rm -f walrus
 | 
| 73 | $SH -c 'X=${x?bc} > walrus'
 | 
| 74 | if test -f walrus; then echo 'exists1'; fi
 | 
| 75 | 
 | 
| 76 | rm -f walrus
 | 
| 77 | $SH -c '>walrus echo ${a?bc}'
 | 
| 78 | test -f walrus
 | 
| 79 | if test -f walrus; then echo 'exists2'; fi
 | 
| 80 | ## STDOUT:
 | 
| 81 | exists1
 | 
| 82 | ## END
 | 
| 83 | ## OK bash stdout-json: ""
 | 
| 84 | 
 | 
| 85 | #### Function def in pipeline
 | 
| 86 | # http://landley.net/notes.html#26-05-2020
 | 
| 87 | 
 | 
| 88 | echo hello | potato() { echo abc; } | echo ha
 | 
| 89 | 
 | 
| 90 | ## STDOUT:
 | 
| 91 | ha
 | 
| 92 | ## END
 | 
| 93 | 
 | 
| 94 | #### dynamic glob - http://landley.net/notes.html#08-05-2020
 | 
| 95 | rm *  # setup
 | 
| 96 | X='*'; echo $X
 | 
| 97 | echo "*"*".?z"
 | 
| 98 | ## STDOUT:
 | 
| 99 | _tmp
 | 
| 100 | **.?z
 | 
| 101 | ## END
 | 
| 102 | ## BUG zsh status: 1
 | 
| 103 | ## BUG zsh STDOUT:
 | 
| 104 | *
 | 
| 105 | ## END
 | 
| 106 | 
 | 
| 107 | #### no shebang
 | 
| 108 | rm *
 | 
| 109 | 
 | 
| 110 | cat > snork << 'EOF'
 | 
| 111 | echo hello $BLAH
 | 
| 112 | EOF
 | 
| 113 | 
 | 
| 114 | chmod +x snork
 | 
| 115 | $SH -c 'BLAH=123; ./snork'
 | 
| 116 | $SH -c 'BLAH=123; exec ./snork'
 | 
| 117 | $SH -c 'BLAH=123 exec ./snork'
 | 
| 118 | ## STDOUT:
 | 
| 119 | hello
 | 
| 120 | hello
 | 
| 121 | hello 123
 | 
| 122 | ## END
 | 
| 123 | 
 | 
| 124 | 
 | 
| 125 | #### IFS
 | 
| 126 | 
 | 
| 127 | IFS=x; X=abxcd; echo ${X/bxc/g}
 | 
| 128 | 
 | 
| 129 | X=a=\"\$a\"; echo ${X//a/{x,y,z}}
 | 
| 130 | 
 | 
| 131 | ## STDOUT:
 | 
| 132 | agd
 | 
| 133 | { ,y,z="${ ,y,z"}
 | 
| 134 | ## END
 | 
| 135 | ## BUG zsh STDOUT:
 | 
| 136 | agd
 | 
| 137 | {x,y,z}="${x,y,z}"
 | 
| 138 | ## END
 | 
| 139 | ## N-I dash status: 2
 | 
| 140 | ## N-I dash stdout-json: ""
 | 
| 141 | 
 | 
| 142 | #### shift is fatal at top level?
 | 
| 143 | # http://landley.net/notes.html#08-04-2020
 | 
| 144 | 
 | 
| 145 | # This makes a difference for zsh, but not for bash?
 | 
| 146 | #set -o posix
 | 
| 147 | 
 | 
| 148 | $SH -c 'shift; echo hello'
 | 
| 149 | ## STDOUT:
 | 
| 150 | hello
 | 
| 151 | ## END
 | 
| 152 | ## OK dash status: 2
 | 
| 153 | ## OK mksh status: 1
 | 
| 154 | ## OK dash/mksh stdout-json: ""
 | 
| 155 | 
 | 
| 156 | #### var and func - http://landley.net/notes.html#19-03-2020
 | 
| 157 | potato() { echo hello; }
 | 
| 158 | potato=42
 | 
| 159 | echo $potato
 | 
| 160 | 
 | 
| 161 | potato
 | 
| 162 | 
 | 
| 163 | ## STDOUT:
 | 
| 164 | 42
 | 
| 165 | hello
 | 
| 166 | ## END
 | 
| 167 | 
 | 
| 168 | 
 | 
| 169 | #### IFS - http://landley.net/notes.html#05-03-2020
 | 
| 170 | 
 | 
| 171 | IFS=x
 | 
| 172 | chicken() { for i in "$@"; do echo =$i=; done;}
 | 
| 173 | chicken one abc dxf ghi
 | 
| 174 | 
 | 
| 175 | echo ---
 | 
| 176 | myfunc() { "$SH" -c 'IFS=x; for i in $@; do echo =$i=; done' blah "$@"; }
 | 
| 177 | myfunc one "" two
 | 
| 178 | 
 | 
| 179 | ## STDOUT:
 | 
| 180 | =one=
 | 
| 181 | =abc=
 | 
| 182 | =d f=
 | 
| 183 | =ghi=
 | 
| 184 | ---
 | 
| 185 | =one=
 | 
| 186 | ==
 | 
| 187 | =two=
 | 
| 188 | ## END
 | 
| 189 | ## BUG dash STDOUT:
 | 
| 190 | =one=
 | 
| 191 | =abc=
 | 
| 192 | =d f=
 | 
| 193 | =ghi=
 | 
| 194 | ---
 | 
| 195 | =one=
 | 
| 196 | =two=
 | 
| 197 | ## END
 | 
| 198 | ## BUG zsh status: 1
 | 
| 199 | ## BUG zsh stdout-json: ""
 | 
| 200 | 
 | 
| 201 | #### for loop parsing - http://landley.net/notes.html#04-03-2020
 | 
| 202 | 
 | 
| 203 | $SH -c '
 | 
| 204 | for i
 | 
| 205 | in one two three
 | 
| 206 | do echo $i;
 | 
| 207 | done
 | 
| 208 | '
 | 
| 209 | echo $?
 | 
| 210 | 
 | 
| 211 | $SH -c 'for i; in one two three; do echo $i; done'
 | 
| 212 | test $? -ne 0 && echo cannot-parse
 | 
| 213 | 
 | 
| 214 | ## STDOUT:
 | 
| 215 | one
 | 
| 216 | two
 | 
| 217 | three
 | 
| 218 | 0
 | 
| 219 | cannot-parse
 | 
| 220 | ## END
 | 
| 221 | 
 | 
| 222 | #### Parsing $(( ))
 | 
| 223 | # http://landley.net/notes.html#15-03-2020
 | 
| 224 | $SH -c 'echo $((echo hello))'
 | 
| 225 | if test $? -ne 0; then echo fail; fi
 | 
| 226 | ## stdout: fail
 | 
| 227 | 
 | 
| 228 | #### IFS - http://landley.net/notes.html#15-02-2020 (TODO: osh)
 | 
| 229 | 
 | 
| 230 | IFS=x; A=xabcxx; for i in $A; do echo =$i=; done
 | 
| 231 | 
 | 
| 232 | unset IFS; A="   abc   def   "; for i in ""$A""; do echo =$i=; done
 | 
| 233 | 
 | 
| 234 | ## STDOUT:
 | 
| 235 | ==
 | 
| 236 | =abc=
 | 
| 237 | ==
 | 
| 238 | ==
 | 
| 239 | =abc=
 | 
| 240 | =def=
 | 
| 241 | ==
 | 
| 242 | ## END
 | 
| 243 | ## BUG zsh status: 1
 | 
| 244 | ## BUG zsh stdout-json: ""
 | 
| 245 | 
 | 
| 246 | #### IFS 2 (TODO: osh)
 | 
| 247 | this one appears different between osh and bash
 | 
| 248 | A="   abc   def   "; for i in ""x""$A""; do echo =$i=; done
 | 
| 249 | 
 | 
| 250 | ## STDOUT:
 | 
| 251 | =x=
 | 
| 252 | =abc=
 | 
| 253 | =def=
 | 
| 254 | ==
 | 
| 255 | ## END
 | 
| 256 | ## BUG zsh status: 1
 | 
| 257 | ## BUG zsh stdout-json: ""
 | 
| 258 | 
 | 
| 259 | #### IFS 3
 | 
| 260 | IFS=x; X="onextwoxxthree"; y=$X; echo $y
 | 
| 261 | ## STDOUT:
 | 
| 262 | one two  three
 | 
| 263 | ## END
 | 
| 264 | ## BUG zsh STDOUT:
 | 
| 265 | onextwoxxthree
 | 
| 266 | ## END
 | 
| 267 | 
 | 
| 268 | #### IFS 4
 | 
| 269 | IFS=x
 | 
| 270 | cc() { echo =$*=; for i in $*; do echo -$i-; done;}; cc "" ""
 | 
| 271 | cc() { echo ="$*"=; for i in =$*=; do echo -$i-; done;}; cc "" ""
 | 
| 272 | ## STDOUT:
 | 
| 273 | = =
 | 
| 274 | --
 | 
| 275 | =x=
 | 
| 276 | -=-
 | 
| 277 | -=-
 | 
| 278 | ## END
 | 
| 279 | ## BUG mksh/dash STDOUT:
 | 
| 280 | = =
 | 
| 281 | =x=
 | 
| 282 | -=-
 | 
| 283 | -=-
 | 
| 284 | ## END
 | 
| 285 | ## BUG yash STDOUT:
 | 
| 286 | = =
 | 
| 287 | --
 | 
| 288 | --
 | 
| 289 | =x=
 | 
| 290 | -=-
 | 
| 291 | -=-
 | 
| 292 | ## END
 | 
| 293 | ## BUG zsh STDOUT:
 | 
| 294 | = =
 | 
| 295 | ## END
 | 
| 296 | ## BUG zsh status: 1
 | 
| 297 | 
 | 
| 298 | #### IFS 5
 | 
| 299 | cc() { for i in $*; do echo -$i-; done;}; cc "" "" "" "" ""
 | 
| 300 | cc() { echo =$1$2=;}; cc "" ""
 | 
| 301 | ## STDOUT:
 | 
| 302 | ==
 | 
| 303 | ## END
 | 
| 304 | ## BUG yash STDOUT:
 | 
| 305 | --
 | 
| 306 | --
 | 
| 307 | --
 | 
| 308 | --
 | 
| 309 | --
 | 
| 310 | ==
 | 
| 311 | ## END
 | 
| 312 | ## BUG zsh status: 1
 | 
| 313 | ## BUG zsh stdout-json: ""
 | 
| 314 | 
 | 
| 315 | #### Can't parse extra }
 | 
| 316 | 
 | 
| 317 | $SH -c 'for i in a"$@"b;do echo =$i=;done;}' 123 456 789
 | 
| 318 | ## status: 2
 | 
| 319 | ## OK mksh/zsh status: 1
 | 
| 320 | ## STDOUT:
 | 
| 321 | ## END
 | 
| 322 | 
 | 
| 323 | #### Command Sub Syntax Error
 | 
| 324 | # http://landley.net/notes.html#28-01-2020
 | 
| 325 | 
 | 
| 326 | echo $(if true)
 | 
| 327 | echo $?
 | 
| 328 | echo $(false)
 | 
| 329 | echo $?
 | 
| 330 | 
 | 
| 331 | ## status: 2
 | 
| 332 | ## stdout-json: ""
 | 
| 333 | 
 | 
| 334 | ## OK mksh/zsh status: 1
 | 
| 335 | 
 | 
| 336 | 
 | 
| 337 | #### Pipeline - http://landley.net/notes-2019.html#16-12-2019
 | 
| 338 | echo hello | { read i; echo $i;} | { read i; echo $i;} | cat
 | 
| 339 | echo hello | while read i; do echo -=$i=- | sed s/=/@/g ; done | cat
 | 
| 340 | ## STDOUT:
 | 
| 341 | hello
 | 
| 342 | -@hello@-
 | 
| 343 | ## END
 | 
| 344 | 
 |