| 1 | ## oils_failures_allowed: 5
|
| 2 | ## compare_shells: bash dash mksh zsh ash yash
|
| 3 |
|
| 4 | #### Fatal error
|
| 5 | # http://landley.net/notes.html#20-06-2020
|
| 6 |
|
| 7 | abc=${a?bc} echo hello; echo blah
|
| 8 | ## status: 1
|
| 9 | ## OK yash/dash/ash status: 2
|
| 10 | ## stdout-json: ""
|
| 11 |
|
| 12 | #### setting readonly var (bash is only one where it's non-fatal)
|
| 13 | # http://landley.net/notes.html#20-06-2020
|
| 14 |
|
| 15 | readonly abc=123
|
| 16 | abc=def
|
| 17 | echo status=$?
|
| 18 | ## status: 2
|
| 19 | ## stdout-json: ""
|
| 20 | ## OK osh/zsh status: 1
|
| 21 | ## BUG 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/ash/mksh STDOUT:
|
| 63 | abc=
|
| 64 | ## END
|
| 65 | ## OK dash status: 2
|
| 66 | ## OK mksh status: 1
|
| 67 | ## OK ash status: 1
|
| 68 |
|
| 69 | #### Evaluation order of redirect and ${undef?error}
|
| 70 | # http://landley.net/notes.html#12-06-2020
|
| 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 | touch foo
|
| 96 | X='*'; echo $X
|
| 97 | echo "*"*".?z"
|
| 98 | ## STDOUT:
|
| 99 | foo
|
| 100 | **.?z
|
| 101 | ## END
|
| 102 | ## BUG zsh status: 1
|
| 103 | ## BUG zsh STDOUT:
|
| 104 | *
|
| 105 | ## END
|
| 106 |
|
| 107 | #### no shebang
|
| 108 | cat > snork << 'EOF'
|
| 109 | echo hello $BLAH
|
| 110 | EOF
|
| 111 |
|
| 112 | chmod +x snork
|
| 113 | $SH -c 'BLAH=123; ./snork'
|
| 114 | $SH -c 'BLAH=123; exec ./snork'
|
| 115 | $SH -c 'BLAH=123 exec ./snork'
|
| 116 | ## STDOUT:
|
| 117 | hello
|
| 118 | hello
|
| 119 | hello 123
|
| 120 | ## END
|
| 121 |
|
| 122 |
|
| 123 | #### IFS
|
| 124 |
|
| 125 | IFS=x; X=abxcd; echo ${X/bxc/g}
|
| 126 |
|
| 127 | X=a=\"\$a\"; echo ${X//a/{x,y,z}}
|
| 128 |
|
| 129 | ## STDOUT:
|
| 130 | agd
|
| 131 | { ,y,z="${ ,y,z"}
|
| 132 | ## END
|
| 133 | ## BUG zsh STDOUT:
|
| 134 | agd
|
| 135 | {x,y,z}="${x,y,z}"
|
| 136 | ## END
|
| 137 | ## N-I dash status: 2
|
| 138 | ## N-I dash stdout-json: ""
|
| 139 |
|
| 140 | #### shift is fatal at top level?
|
| 141 | # http://landley.net/notes.html#08-04-2020
|
| 142 |
|
| 143 | # This makes a difference for zsh, but not for bash?
|
| 144 | #set -o posix
|
| 145 |
|
| 146 | $SH -c 'shift; echo hello'
|
| 147 | ## STDOUT:
|
| 148 | hello
|
| 149 | ## END
|
| 150 | ## OK dash status: 2
|
| 151 | ## OK mksh status: 1
|
| 152 | ## OK dash/mksh stdout-json: ""
|
| 153 |
|
| 154 | #### var and func - http://landley.net/notes.html#19-03-2020
|
| 155 | potato() { echo hello; }
|
| 156 | potato=42
|
| 157 | echo $potato
|
| 158 |
|
| 159 | potato
|
| 160 |
|
| 161 | ## STDOUT:
|
| 162 | 42
|
| 163 | hello
|
| 164 | ## END
|
| 165 |
|
| 166 |
|
| 167 | #### IFS - http://landley.net/notes.html#05-03-2020
|
| 168 | case $SH in zsh) exit ;; esac
|
| 169 |
|
| 170 | IFS=x
|
| 171 | chicken() { for i in "$@"; do echo =$i=; done;}
|
| 172 | chicken one abc dxf ghi
|
| 173 |
|
| 174 | echo ---
|
| 175 | myfunc() { "$SH" -c 'IFS=x; for i in $@; do echo =$i=; done' blah "$@"; }
|
| 176 | myfunc one "" two
|
| 177 |
|
| 178 | ## STDOUT:
|
| 179 | =one=
|
| 180 | =abc=
|
| 181 | =d f=
|
| 182 | =ghi=
|
| 183 | ---
|
| 184 | =one=
|
| 185 | ==
|
| 186 | =two=
|
| 187 | ## END
|
| 188 |
|
| 189 | ## BUG dash/ash STDOUT:
|
| 190 | =one=
|
| 191 | =abc=
|
| 192 | =d f=
|
| 193 | =ghi=
|
| 194 | ---
|
| 195 | =one=
|
| 196 | =two=
|
| 197 | ## END
|
| 198 |
|
| 199 | ## N-I zsh STDOUT:
|
| 200 | ## END
|
| 201 |
|
| 202 | #### IFS=x and '' and unquoted $@ - reduction of case above - copied into spec/word-split
|
| 203 |
|
| 204 | setopt SH_WORD_SPLIT
|
| 205 | #set -x
|
| 206 |
|
| 207 | set -- one "" two
|
| 208 |
|
| 209 | IFS=x
|
| 210 |
|
| 211 | argv.py $@
|
| 212 |
|
| 213 | for i in $@; do
|
| 214 | echo -$i-
|
| 215 | done
|
| 216 |
|
| 217 | ## STDOUT:
|
| 218 | ['one', '', 'two']
|
| 219 | -one-
|
| 220 | --
|
| 221 | -two-
|
| 222 | ## END
|
| 223 |
|
| 224 | ## BUG dash/ash/zsh STDOUT:
|
| 225 | ['one', 'two']
|
| 226 | -one-
|
| 227 | -two-
|
| 228 | ## END
|
| 229 |
|
| 230 |
|
| 231 | #### for loop parsing - http://landley.net/notes.html#04-03-2020
|
| 232 |
|
| 233 | $SH -c '
|
| 234 | for i
|
| 235 | in one two three
|
| 236 | do echo $i;
|
| 237 | done
|
| 238 | '
|
| 239 | echo $?
|
| 240 |
|
| 241 | $SH -c 'for i; in one two three; do echo $i; done'
|
| 242 | test $? -ne 0 && echo cannot-parse
|
| 243 |
|
| 244 | ## STDOUT:
|
| 245 | one
|
| 246 | two
|
| 247 | three
|
| 248 | 0
|
| 249 | cannot-parse
|
| 250 | ## END
|
| 251 |
|
| 252 | #### Parsing $(( ))
|
| 253 | # http://landley.net/notes.html#15-03-2020
|
| 254 | $SH -c 'echo $((echo hello))'
|
| 255 | if test $? -ne 0; then echo fail; fi
|
| 256 | ## stdout: fail
|
| 257 |
|
| 258 | #### IFS - http://landley.net/notes.html#15-02-2020 (TODO: osh)
|
| 259 |
|
| 260 | IFS=x
|
| 261 | A=xabcxx
|
| 262 | for i in $A; do echo =$i=; done
|
| 263 | echo
|
| 264 |
|
| 265 | unset IFS
|
| 266 | A=" abc def "
|
| 267 | for i in ""$A""; do echo =$i=; done
|
| 268 |
|
| 269 | ## STDOUT:
|
| 270 | ==
|
| 271 | =abc=
|
| 272 | ==
|
| 273 |
|
| 274 | ==
|
| 275 | =abc=
|
| 276 | =def=
|
| 277 | ==
|
| 278 | ## END
|
| 279 | ## BUG zsh status: 1
|
| 280 | ## BUG zsh stdout-json: ""
|
| 281 |
|
| 282 | #### IFS 2 - copied into spec/word-split
|
| 283 | # this one appears different between osh and bash
|
| 284 | A=" abc def "; for i in ""x""$A""; do echo =$i=; done
|
| 285 |
|
| 286 | ## STDOUT:
|
| 287 | =x=
|
| 288 | =abc=
|
| 289 | =def=
|
| 290 | ==
|
| 291 | ## END
|
| 292 | ## BUG zsh status: 1
|
| 293 | ## BUG zsh stdout-json: ""
|
| 294 |
|
| 295 | #### IFS 3
|
| 296 | IFS=x; X="onextwoxxthree"; y=$X; echo $y
|
| 297 | ## STDOUT:
|
| 298 | one two three
|
| 299 | ## END
|
| 300 | ## BUG zsh STDOUT:
|
| 301 | onextwoxxthree
|
| 302 | ## END
|
| 303 |
|
| 304 | #### IFS 4
|
| 305 |
|
| 306 | setopt SH_WORD_SPLIT
|
| 307 |
|
| 308 | IFS=x
|
| 309 |
|
| 310 | func1() {
|
| 311 | echo /$*/
|
| 312 | for i in $*; do echo -$i-; done
|
| 313 | }
|
| 314 | func1 "" ""
|
| 315 |
|
| 316 | echo
|
| 317 |
|
| 318 | func2() {
|
| 319 | echo /"$*"/
|
| 320 | for i in =$*=; do echo -$i-; done
|
| 321 | }
|
| 322 | func2 "" ""
|
| 323 |
|
| 324 | ## STDOUT:
|
| 325 | / /
|
| 326 |
|
| 327 | /x/
|
| 328 | -=-
|
| 329 | -=-
|
| 330 | ## END
|
| 331 | ## BUG bash STDOUT:
|
| 332 | / /
|
| 333 | --
|
| 334 |
|
| 335 | /x/
|
| 336 | -=-
|
| 337 | -=-
|
| 338 | ## END
|
| 339 | ## BUG yash/zsh STDOUT:
|
| 340 | / /
|
| 341 | --
|
| 342 | --
|
| 343 |
|
| 344 | /x/
|
| 345 | -=-
|
| 346 | -=-
|
| 347 | ## END
|
| 348 |
|
| 349 | #### IFS 5
|
| 350 | cc() { for i in $*; do echo -$i-; done;}; cc "" "" "" "" ""
|
| 351 | cc() { echo =$1$2=;}; cc "" ""
|
| 352 | ## STDOUT:
|
| 353 | ==
|
| 354 | ## END
|
| 355 | ## BUG yash STDOUT:
|
| 356 | --
|
| 357 | --
|
| 358 | --
|
| 359 | --
|
| 360 | --
|
| 361 | ==
|
| 362 | ## END
|
| 363 | ## BUG zsh status: 1
|
| 364 | ## BUG zsh stdout-json: ""
|
| 365 |
|
| 366 | #### Can't parse extra }
|
| 367 |
|
| 368 | $SH -c 'for i in a"$@"b;do echo =$i=;done;}' 123 456 789
|
| 369 | ## status: 2
|
| 370 | ## OK mksh/zsh status: 1
|
| 371 | ## STDOUT:
|
| 372 | ## END
|
| 373 |
|
| 374 | #### Command Sub Syntax Error
|
| 375 | # http://landley.net/notes.html#28-01-2020
|
| 376 |
|
| 377 | echo $(if true)
|
| 378 | echo $?
|
| 379 | echo $(false)
|
| 380 | echo $?
|
| 381 |
|
| 382 | ## status: 2
|
| 383 | ## stdout-json: ""
|
| 384 |
|
| 385 | ## OK mksh/zsh status: 1
|
| 386 |
|
| 387 |
|
| 388 | #### Pipeline - http://landley.net/notes-2019.html#16-12-2019
|
| 389 | echo hello | { read i; echo $i;} | { read i; echo $i;} | cat
|
| 390 | echo hello | while read i; do echo -=$i=- | sed s/=/@/g ; done | cat
|
| 391 | ## STDOUT:
|
| 392 | hello
|
| 393 | -@hello@-
|
| 394 | ## END
|
| 395 |
|