| 1 | ## compare_shells: bash dash mksh
|
| 2 | ## oils_failures_allowed: 1
|
| 3 | ## tags: interactive
|
| 4 |
|
| 5 | # Test options to set, shopt, $SH.
|
| 6 |
|
| 7 | #### $- with -c
|
| 8 | # dash's behavior seems most sensible here?
|
| 9 | $SH -o nounset -c 'echo $-'
|
| 10 | ## stdout: u
|
| 11 | ## OK bash stdout: huBc
|
| 12 | ## OK mksh stdout: uhc
|
| 13 | ## status: 0
|
| 14 |
|
| 15 | #### $- with pipefail
|
| 16 | set -o pipefail -o nounset
|
| 17 | echo $-
|
| 18 | ## stdout: u
|
| 19 | ## status: 0
|
| 20 | ## OK bash stdout: huBs
|
| 21 | ## OK mksh stdout: ush
|
| 22 | ## N-I dash stdout-json: ""
|
| 23 | ## N-I dash status: 2
|
| 24 |
|
| 25 | #### $- and more options
|
| 26 | set -efuC
|
| 27 | o=$-
|
| 28 | [[ $o == *e* ]]; echo yes
|
| 29 | [[ $o == *f* ]]; echo yes
|
| 30 | [[ $o == *u* ]]; echo yes
|
| 31 | [[ $o == *C* ]]; echo yes
|
| 32 | ## STDOUT:
|
| 33 | yes
|
| 34 | yes
|
| 35 | yes
|
| 36 | yes
|
| 37 | ## END
|
| 38 | ## N-I dash stdout-json: ""
|
| 39 | ## N-I dash status: 127
|
| 40 |
|
| 41 | #### $- with interactive shell
|
| 42 | $SH -c 'echo $-' | grep i || echo FALSE
|
| 43 | $SH -i -c 'echo $-' | grep -q i && echo TRUE
|
| 44 | ## STDOUT:
|
| 45 | FALSE
|
| 46 | TRUE
|
| 47 | ## END
|
| 48 | #### pass short options like sh -e
|
| 49 | $SH -e -c 'false; echo status=$?'
|
| 50 | ## stdout-json: ""
|
| 51 | ## status: 1
|
| 52 |
|
| 53 | #### pass long options like sh -o errexit
|
| 54 | $SH -o errexit -c 'false; echo status=$?'
|
| 55 | ## stdout-json: ""
|
| 56 | ## status: 1
|
| 57 |
|
| 58 | #### pass shopt options like sh -O nullglob
|
| 59 | $SH +O nullglob -c 'echo foo *.nonexistent bar'
|
| 60 | $SH -O nullglob -c 'echo foo *.nonexistent bar'
|
| 61 | ## STDOUT:
|
| 62 | foo *.nonexistent bar
|
| 63 | foo bar
|
| 64 | ## END
|
| 65 | ## N-I dash/mksh stdout-json: ""
|
| 66 | ## N-I dash status: 2
|
| 67 | ## N-I mksh status: 1
|
| 68 |
|
| 69 | #### set -o vi/emacs
|
| 70 | set -o vi
|
| 71 | echo $?
|
| 72 | set -o emacs
|
| 73 | echo $?
|
| 74 | ## STDOUT:
|
| 75 | 0
|
| 76 | 0
|
| 77 | ## END
|
| 78 |
|
| 79 | #### vi and emacs are mutually exclusive
|
| 80 | show() {
|
| 81 | shopt -o -p | egrep 'emacs$|vi$'
|
| 82 | echo ___
|
| 83 | };
|
| 84 | show
|
| 85 |
|
| 86 | set -o emacs
|
| 87 | show
|
| 88 |
|
| 89 | set -o vi
|
| 90 | show
|
| 91 |
|
| 92 | ## STDOUT:
|
| 93 | set +o emacs
|
| 94 | set +o vi
|
| 95 | ___
|
| 96 | set -o emacs
|
| 97 | set +o vi
|
| 98 | ___
|
| 99 | set +o emacs
|
| 100 | set -o vi
|
| 101 | ___
|
| 102 | ## END
|
| 103 | ## N-I dash/mksh STDOUT:
|
| 104 | ___
|
| 105 | ___
|
| 106 | ___
|
| 107 | ## END
|
| 108 |
|
| 109 | #### interactive shell starts with emacs mode on
|
| 110 | case $SH in dash) exit ;; esac
|
| 111 | case $SH in bash|*osh) flag='--rcfile /dev/null' ;; esac
|
| 112 |
|
| 113 | code='test -o emacs; echo $?; test -o vi; echo $?'
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| 114 |
|
| 115 | echo non-interactive
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| 116 | $SH $flag -c "$code"
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| 117 |
|
| 118 | echo interactive
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| 119 | $SH $flag -i -c "$code"
|
| 120 |
|
| 121 | ## STDOUT:
|
| 122 | non-interactive
|
| 123 | 1
|
| 124 | 1
|
| 125 | interactive
|
| 126 | 0
|
| 127 | 1
|
| 128 | ## END
|
| 129 | ## OK mksh STDOUT:
|
| 130 | non-interactive
|
| 131 | 0
|
| 132 | 1
|
| 133 | interactive
|
| 134 | 0
|
| 135 | 1
|
| 136 | ## END
|
| 137 | ## N-I dash stdout-json: ""
|
| 138 |
|
| 139 | #### nounset
|
| 140 | echo "[$unset]"
|
| 141 | set -o nounset
|
| 142 | echo "[$unset]"
|
| 143 | echo end # never reached
|
| 144 | ## stdout: []
|
| 145 | ## status: 1
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| 146 | ## OK dash status: 2
|
| 147 |
|
| 148 | #### -u is nounset
|
| 149 | echo "[$unset]"
|
| 150 | set -u
|
| 151 | echo "[$unset]"
|
| 152 | echo end # never reached
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| 153 | ## stdout: []
|
| 154 | ## status: 1
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| 155 | ## OK dash status: 2
|
| 156 |
|
| 157 | #### -n for no execution (useful with --ast-output)
|
| 158 | # NOTE: set +n doesn't work because nothing is executed!
|
| 159 | echo 1
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| 160 | set -n
|
| 161 | echo 2
|
| 162 | set +n
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| 163 | echo 3
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| 164 | # osh doesn't work because it only checks -n in bin/oil.py?
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| 165 | ## STDOUT:
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| 166 | 1
|
| 167 | ## END
|
| 168 | ## status: 0
|
| 169 |
|
| 170 | #### pipefail
|
| 171 | # NOTE: the sleeps are because osh can fail non-deterministically because of a
|
| 172 | # bug. Same problem as PIPESTATUS.
|
| 173 | { sleep 0.01; exit 9; } | { sleep 0.02; exit 2; } | { sleep 0.03; }
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| 174 | echo $?
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| 175 | set -o pipefail
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| 176 | { sleep 0.01; exit 9; } | { sleep 0.02; exit 2; } | { sleep 0.03; }
|
| 177 | echo $?
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| 178 | ## STDOUT:
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| 179 | 0
|
| 180 | 2
|
| 181 | ## END
|
| 182 | ## status: 0
|
| 183 | ## N-I dash STDOUT:
|
| 184 | 0
|
| 185 | ## END
|
| 186 | ## N-I dash status: 2
|
| 187 |
|
| 188 | #### shopt -p -o prints 'set' options
|
| 189 | case $SH in dash|mksh) exit ;; esac
|
| 190 |
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| 191 | shopt -po nounset
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| 192 | set -o nounset
|
| 193 | shopt -po nounset
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| 194 |
|
| 195 | echo --
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| 196 |
|
| 197 | shopt -po | egrep -o 'errexit|noglob|nounset'
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| 198 |
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| 199 | ## STDOUT:
|
| 200 | set +o nounset
|
| 201 | set -o nounset
|
| 202 | --
|
| 203 | errexit
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| 204 | noglob
|
| 205 | nounset
|
| 206 | ## END
|
| 207 | ## N-I dash/mksh STDOUT:
|
| 208 | ## END
|
| 209 |
|
| 210 | #### shopt -o prints 'set' options
|
| 211 | case $SH in dash|mksh) exit ;; esac
|
| 212 |
|
| 213 | shopt -o | egrep -o 'errexit|noglob|nounset'
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| 214 | echo --
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| 215 | ## STDOUT:
|
| 216 | errexit
|
| 217 | noglob
|
| 218 | nounset
|
| 219 | --
|
| 220 | ## END
|
| 221 | ## N-I dash/mksh STDOUT:
|
| 222 | ## END
|
| 223 |
|
| 224 | #### shopt -p prints 'shopt' options
|
| 225 | shopt -p nullglob
|
| 226 | shopt -s nullglob
|
| 227 | shopt -p nullglob
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| 228 | ## STDOUT:
|
| 229 | shopt -u nullglob
|
| 230 | shopt -s nullglob
|
| 231 | ## END
|
| 232 | ## N-I dash/mksh stdout-json: ""
|
| 233 | ## N-I dash/mksh status: 127
|
| 234 |
|
| 235 | #### shopt with no flags prints options
|
| 236 | cd $TMP
|
| 237 |
|
| 238 | # print specific options. OSH does it in a different format.
|
| 239 | shopt nullglob failglob > one.txt
|
| 240 | wc -l one.txt
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| 241 | grep -o nullglob one.txt
|
| 242 | grep -o failglob one.txt
|
| 243 |
|
| 244 | # print all options
|
| 245 | shopt | grep nullglob | wc -l
|
| 246 | ## STDOUT:
|
| 247 | 2 one.txt
|
| 248 | nullglob
|
| 249 | failglob
|
| 250 | 1
|
| 251 | ## END
|
| 252 | ## N-I dash/mksh STDOUT:
|
| 253 | 0 one.txt
|
| 254 | 0
|
| 255 | ## END
|
| 256 |
|
| 257 | #### noclobber off
|
| 258 | set -o errexit
|
| 259 |
|
| 260 | echo foo > can-clobber
|
| 261 | echo status=$?
|
| 262 | set +C
|
| 263 |
|
| 264 | echo foo > can-clobber
|
| 265 | echo status=$?
|
| 266 | set +o noclobber
|
| 267 |
|
| 268 | echo foo > can-clobber
|
| 269 | echo status=$?
|
| 270 | cat can-clobber
|
| 271 |
|
| 272 | ## STDOUT:
|
| 273 | status=0
|
| 274 | status=0
|
| 275 | status=0
|
| 276 | foo
|
| 277 | ## END
|
| 278 |
|
| 279 | #### noclobber on
|
| 280 |
|
| 281 | rm -f no-clobber
|
| 282 | set -C
|
| 283 |
|
| 284 | echo foo > no-clobber
|
| 285 | echo create=$?
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| 286 |
|
| 287 | echo overwrite > no-clobber
|
| 288 | echo overwrite=$?
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| 289 |
|
| 290 | echo force >| no-clobber
|
| 291 | echo force=$?
|
| 292 |
|
| 293 | cat no-clobber
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| 294 |
|
| 295 | ## STDOUT:
|
| 296 | create=0
|
| 297 | overwrite=1
|
| 298 | force=0
|
| 299 | force
|
| 300 | ## END
|
| 301 | ## OK dash STDOUT:
|
| 302 | create=0
|
| 303 | overwrite=2
|
| 304 | force=0
|
| 305 | force
|
| 306 | ## END
|
| 307 |
|
| 308 | #### noclobber on <>
|
| 309 | set -C
|
| 310 | echo foo >| $TMP/no-clobber
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| 311 | exec 3<> $TMP/no-clobber
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| 312 | read -n 1 <&3
|
| 313 | echo -n . >&3
|
| 314 | exec 3>&-
|
| 315 | cat $TMP/no-clobber
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| 316 | ## STDOUT:
|
| 317 | f.o
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| 318 | ## END
|
| 319 | ## N-I dash STDOUT:
|
| 320 | .oo
|
| 321 | ## END
|
| 322 |
|
| 323 | #### noclobber on >>
|
| 324 | rm -f $TMP/no-clobber
|
| 325 |
|
| 326 | set -C
|
| 327 | echo foo >> $TMP/no-clobber
|
| 328 | echo status=$?
|
| 329 |
|
| 330 | cat $TMP/no-clobber
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| 331 | ## STDOUT:
|
| 332 | status=0
|
| 333 | foo
|
| 334 | ## END
|
| 335 |
|
| 336 | #### noclobber on &> >
|
| 337 | case $SH in dash) exit ;; esac
|
| 338 |
|
| 339 | set -C
|
| 340 |
|
| 341 | rm -f $TMP/no-clobber
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| 342 | echo foo > $TMP/no-clobber
|
| 343 | echo stdout=$?
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| 344 | echo bar > $TMP/no-clobber
|
| 345 | echo again=$?
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| 346 | cat $TMP/no-clobber
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| 347 |
|
| 348 | rm -f $TMP/no-clobber
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| 349 | echo baz &> $TMP/no-clobber
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| 350 | echo both=$?
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| 351 | echo foo &> $TMP/no-clobber
|
| 352 | echo again=$?
|
| 353 | cat $TMP/no-clobber
|
| 354 |
|
| 355 | ## STDOUT:
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| 356 | stdout=0
|
| 357 | again=1
|
| 358 | foo
|
| 359 | both=0
|
| 360 | again=1
|
| 361 | baz
|
| 362 | ## END
|
| 363 | ## BUG dash STDOUT:
|
| 364 | ## END
|
| 365 |
|
| 366 | #### noclobber on &>> >>
|
| 367 | set -C
|
| 368 |
|
| 369 | rm -f $TMP/no-clobber
|
| 370 | echo foo >> $TMP/no-clobber
|
| 371 | echo stdout=$?
|
| 372 | echo bar >> $TMP/no-clobber
|
| 373 | echo again=$?
|
| 374 | cat $TMP/no-clobber
|
| 375 |
|
| 376 | rm -f $TMP/no-clobber
|
| 377 | echo baz &>> $TMP/no-clobber
|
| 378 | echo both=$?
|
| 379 | echo foo &>> $TMP/no-clobber
|
| 380 | echo again=$?
|
| 381 | cat $TMP/no-clobber
|
| 382 |
|
| 383 | ## STDOUT:
|
| 384 | stdout=0
|
| 385 | again=0
|
| 386 | foo
|
| 387 | bar
|
| 388 | both=0
|
| 389 | again=0
|
| 390 | baz
|
| 391 | foo
|
| 392 | ## END
|
| 393 | ## BUG dash STDOUT:
|
| 394 | stdout=0
|
| 395 | again=0
|
| 396 | foo
|
| 397 | bar
|
| 398 | both=0
|
| 399 | baz
|
| 400 | again=0
|
| 401 | foo
|
| 402 | ## END
|
| 403 |
|
| 404 | #### set without args lists variables
|
| 405 | __GLOBAL=g
|
| 406 | f() {
|
| 407 | local __mylocal=L
|
| 408 | local __OTHERLOCAL=L
|
| 409 | __GLOBAL=mutated
|
| 410 | set | grep '^__'
|
| 411 | }
|
| 412 | g() {
|
| 413 | local __var_in_parent_scope=D
|
| 414 | f
|
| 415 | }
|
| 416 | g
|
| 417 | ## status: 0
|
| 418 | ## STDOUT:
|
| 419 | __GLOBAL=mutated
|
| 420 | __OTHERLOCAL=L
|
| 421 | __mylocal=L
|
| 422 | __var_in_parent_scope=D
|
| 423 | ## END
|
| 424 | ## OK mksh STDOUT:
|
| 425 | __GLOBAL=mutated
|
| 426 | __var_in_parent_scope=D
|
| 427 | __OTHERLOCAL=L
|
| 428 | __mylocal=L
|
| 429 | ## END
|
| 430 | ## OK dash STDOUT:
|
| 431 | __GLOBAL='mutated'
|
| 432 | __OTHERLOCAL='L'
|
| 433 | __mylocal='L'
|
| 434 | __var_in_parent_scope='D'
|
| 435 | ## END
|
| 436 |
|
| 437 | #### set without args and array variables
|
| 438 | declare -a __array
|
| 439 | __array=(1 2 '3 4')
|
| 440 | set | grep '^__'
|
| 441 | ## STDOUT:
|
| 442 | __array=(1 2 '3 4')
|
| 443 | ## END
|
| 444 | ## OK bash STDOUT:
|
| 445 | __array=([0]="1" [1]="2" [2]="3 4")
|
| 446 | ## END
|
| 447 | ## OK mksh STDOUT:
|
| 448 | __array[0]=1
|
| 449 | __array[1]=2
|
| 450 | __array[2]='3 4'
|
| 451 | ## END
|
| 452 | ## OK zsh STDOUT:
|
| 453 | a=( 1 2 3 )
|
| 454 | ## END
|
| 455 | ## N-I dash stdout-json: ""
|
| 456 | ## N-I dash status: 2
|
| 457 |
|
| 458 | #### set without args and assoc array variables (not in OSH)
|
| 459 | typeset -A __assoc
|
| 460 | __assoc['k e y']='v a l'
|
| 461 | __assoc[a]=b
|
| 462 | set | grep '^__'
|
| 463 | ## STDOUT:
|
| 464 | __assoc=([a]="b" ["k e y"]="v a l" )
|
| 465 | ## END
|
| 466 | ## N-I mksh stdout-json: ""
|
| 467 | ## N-I mksh status: 1
|
| 468 | ## N-I dash stdout-json: ""
|
| 469 | ## N-I dash status: 1
|
| 470 | ## N-I osh stdout-json: ""
|
| 471 | ## N-I osh status: 1
|
| 472 |
|
| 473 | #### shopt -q
|
| 474 | shopt -q nullglob
|
| 475 | echo nullglob=$?
|
| 476 |
|
| 477 | # set it
|
| 478 | shopt -s nullglob
|
| 479 |
|
| 480 | shopt -q nullglob
|
| 481 | echo nullglob=$?
|
| 482 |
|
| 483 | shopt -q nullglob failglob
|
| 484 | echo nullglob,failglob=$?
|
| 485 |
|
| 486 | # set it
|
| 487 | shopt -s failglob
|
| 488 | shopt -q nullglob failglob
|
| 489 | echo nullglob,failglob=$?
|
| 490 |
|
| 491 | ## STDOUT:
|
| 492 | nullglob=1
|
| 493 | nullglob=0
|
| 494 | nullglob,failglob=1
|
| 495 | nullglob,failglob=0
|
| 496 | ## END
|
| 497 | ## N-I dash/mksh STDOUT:
|
| 498 | nullglob=127
|
| 499 | nullglob=127
|
| 500 | nullglob,failglob=127
|
| 501 | nullglob,failglob=127
|
| 502 | ## END
|
| 503 |
|
| 504 | #### shopt -q invalid
|
| 505 | shopt -q invalidZZ
|
| 506 | echo invalidZZ=$?
|
| 507 | ## STDOUT:
|
| 508 | invalidZZ=2
|
| 509 | ## END
|
| 510 | ## OK bash STDOUT:
|
| 511 | invalidZZ=1
|
| 512 | ## END
|
| 513 | ## N-I dash/mksh STDOUT:
|
| 514 | invalidZZ=127
|
| 515 | ## END
|
| 516 |
|
| 517 | #### shopt -s strict:all
|
| 518 | n=2
|
| 519 |
|
| 520 | show-strict() {
|
| 521 | shopt -p | grep 'strict_' | head -n $n
|
| 522 | echo -
|
| 523 | }
|
| 524 |
|
| 525 | show-strict
|
| 526 | shopt -s strict:all
|
| 527 | show-strict
|
| 528 | shopt -u strict_argv
|
| 529 | show-strict
|
| 530 | ## STDOUT:
|
| 531 | shopt -u strict_arg_parse
|
| 532 | shopt -u strict_argv
|
| 533 | -
|
| 534 | shopt -s strict_arg_parse
|
| 535 | shopt -s strict_argv
|
| 536 | -
|
| 537 | shopt -s strict_arg_parse
|
| 538 | shopt -u strict_argv
|
| 539 | -
|
| 540 | ## END
|
| 541 | ## N-I dash status: 2
|
| 542 | ## N-I dash stdout-json: ""
|
| 543 | ## N-I bash/mksh STDOUT:
|
| 544 | -
|
| 545 | -
|
| 546 | -
|
| 547 | ## END
|
| 548 |
|
| 549 | #### shopt allows for backward compatibility like bash
|
| 550 |
|
| 551 | # doesn't have to be on, but just for testing
|
| 552 | set -o errexit
|
| 553 |
|
| 554 | shopt -p nullglob || true # bash returns 1 here? Like -q.
|
| 555 |
|
| 556 | # This should set nullglob, and return 1, which can be ignored
|
| 557 | shopt -s nullglob strict_OPTION_NOT_YET_IMPLEMENTED 2>/dev/null || true
|
| 558 | echo status=$?
|
| 559 |
|
| 560 | shopt -p nullglob || true
|
| 561 |
|
| 562 | ## STDOUT:
|
| 563 | shopt -u nullglob
|
| 564 | status=0
|
| 565 | shopt -s nullglob
|
| 566 | ## END
|
| 567 | ## N-I dash/mksh STDOUT:
|
| 568 | status=0
|
| 569 | ## END
|
| 570 | ## N-I dash/mksh status: 0
|
| 571 |
|
| 572 | #### shopt -p validates option names
|
| 573 | shopt -p nullglob invalid failglob
|
| 574 | echo status=$?
|
| 575 | # same thing as -p, slightly different format in bash
|
| 576 | shopt nullglob invalid failglob > $TMP/out.txt
|
| 577 | status=$?
|
| 578 | sed --regexp-extended 's/\s+/ /' $TMP/out.txt # make it easier to assert
|
| 579 | echo status=$status
|
| 580 | ## STDOUT:
|
| 581 | status=2
|
| 582 | status=2
|
| 583 | ## END
|
| 584 | ## OK bash STDOUT:
|
| 585 | shopt -u nullglob
|
| 586 | shopt -u failglob
|
| 587 | status=1
|
| 588 | nullglob off
|
| 589 | failglob off
|
| 590 | status=1
|
| 591 | ## END
|
| 592 | ## N-I dash/mksh STDOUT:
|
| 593 | status=127
|
| 594 | status=127
|
| 595 | ## END
|
| 596 |
|
| 597 | #### shopt -p -o validates option names
|
| 598 | shopt -p -o errexit invalid nounset
|
| 599 | echo status=$?
|
| 600 | ## STDOUT:
|
| 601 | set +o errexit
|
| 602 | status=2
|
| 603 | ## END
|
| 604 | ## OK bash STDOUT:
|
| 605 | set +o errexit
|
| 606 | set +o nounset
|
| 607 | status=1
|
| 608 | ## END
|
| 609 | ## N-I dash/mksh STDOUT:
|
| 610 | status=127
|
| 611 | ## END
|
| 612 |
|
| 613 | #### stubbed out bash options
|
| 614 | shopt -s ignore_shopt_not_impl
|
| 615 | for name in foo autocd cdable_vars checkwinsize; do
|
| 616 | shopt -s $name
|
| 617 | echo $?
|
| 618 | done
|
| 619 | ## STDOUT:
|
| 620 | 2
|
| 621 | 0
|
| 622 | 0
|
| 623 | 0
|
| 624 | ## END
|
| 625 | ## OK bash STDOUT:
|
| 626 | 1
|
| 627 | 0
|
| 628 | 0
|
| 629 | 0
|
| 630 | ## END
|
| 631 | ## OK dash/mksh STDOUT:
|
| 632 | 127
|
| 633 | 127
|
| 634 | 127
|
| 635 | 127
|
| 636 | ## END
|
| 637 |
|
| 638 | #### shopt -s nounset works in YSH, not in bash
|
| 639 | case $SH in
|
| 640 | *dash|*mksh)
|
| 641 | echo N-I
|
| 642 | exit
|
| 643 | ;;
|
| 644 | esac
|
| 645 | shopt -s nounset
|
| 646 | echo status=$?
|
| 647 |
|
| 648 | # get rid of extra space in bash output
|
| 649 | set -o | grep nounset | sed 's/[ \t]\+/ /g'
|
| 650 |
|
| 651 | ## STDOUT:
|
| 652 | status=0
|
| 653 | set -o nounset
|
| 654 | ## END
|
| 655 | ## OK bash STDOUT:
|
| 656 | status=1
|
| 657 | nounset off
|
| 658 | # END
|
| 659 | ## N-I dash/mksh STDOUT:
|
| 660 | N-I
|
| 661 | ## END
|
| 662 |
|
| 663 | #### Unimplemented options - print, query, set, unset
|
| 664 | case $SH in dash|mksh) exit ;; esac
|
| 665 |
|
| 666 | opt_name=xpg_echo
|
| 667 |
|
| 668 | shopt -p xpg_echo
|
| 669 | shopt -q xpg_echo; echo q=$?
|
| 670 |
|
| 671 | shopt -s xpg_echo
|
| 672 | shopt -p xpg_echo
|
| 673 |
|
| 674 | shopt -u xpg_echo
|
| 675 | shopt -p xpg_echo
|
| 676 | echo p=$? # weird, bash also returns a status
|
| 677 |
|
| 678 | shopt xpg_echo >/dev/null
|
| 679 | echo noflag=$?
|
| 680 |
|
| 681 | shopt -o errexit >/dev/null
|
| 682 | echo set=$?
|
| 683 |
|
| 684 | ## STDOUT:
|
| 685 | q=2
|
| 686 | p=2
|
| 687 | noflag=2
|
| 688 | set=1
|
| 689 | ## END
|
| 690 |
|
| 691 | ## OK bash STDOUT:
|
| 692 | shopt -u xpg_echo
|
| 693 | q=1
|
| 694 | shopt -s xpg_echo
|
| 695 | shopt -u xpg_echo
|
| 696 | p=1
|
| 697 | noflag=1
|
| 698 | set=1
|
| 699 | ## END
|
| 700 |
|
| 701 | ## N-I dash/mksh STDOUT:
|
| 702 | ## END
|
| 703 |
|
| 704 | #### Unimplemented options - OSH shopt -s ignore_shopt_not_impl
|
| 705 | case $SH in dash|mksh) exit ;; esac
|
| 706 |
|
| 707 | shopt -s ignore_shopt_not_impl
|
| 708 |
|
| 709 | opt_name=xpg_echo
|
| 710 |
|
| 711 | shopt -p xpg_echo
|
| 712 | shopt -q xpg_echo; echo q=$?
|
| 713 |
|
| 714 | shopt -s xpg_echo
|
| 715 | shopt -p xpg_echo
|
| 716 |
|
| 717 | shopt -u xpg_echo
|
| 718 | shopt -p xpg_echo
|
| 719 | echo p=$? # weird, bash also returns a status
|
| 720 |
|
| 721 | shopt xpg_echo >/dev/null
|
| 722 | echo noflag=$?
|
| 723 |
|
| 724 | shopt -o errexit >/dev/null
|
| 725 | echo set=$?
|
| 726 |
|
| 727 | ## STDOUT:
|
| 728 | shopt -u xpg_echo
|
| 729 | q=1
|
| 730 | shopt -s xpg_echo
|
| 731 | shopt -u xpg_echo
|
| 732 | p=1
|
| 733 | noflag=1
|
| 734 | set=1
|
| 735 | ## END
|
| 736 |
|
| 737 | ## N-I dash/mksh STDOUT:
|
| 738 | ## END
|
| 739 |
|
| 740 | #### shopt -p exit code (regression)
|
| 741 | case $SH in dash|mksh) exit ;; esac
|
| 742 |
|
| 743 | shopt -p > /dev/null
|
| 744 | echo status=$?
|
| 745 |
|
| 746 | ## STDOUT:
|
| 747 | status=0
|
| 748 | ## END
|
| 749 |
|
| 750 | ## N-I dash/mksh STDOUT:
|
| 751 | ## END
|
| 752 |
|
| 753 | #### no-ops not shown by shopt -p
|
| 754 |
|
| 755 | shopt -p | grep xpg
|
| 756 | echo --
|
| 757 | ## STDOUT:
|
| 758 | --
|
| 759 | ## END
|
| 760 | ## OK bash STDOUT:
|
| 761 | shopt -u xpg_echo
|
| 762 | --
|
| 763 | ## END
|
| 764 |
|
| 765 |
|