| 1 | # printf |
| 2 | # bash-completion uses this odd printf -v construction. It seems to mostly use |
| 3 | # %s and %q though. |
| 4 | # |
| 5 | # %s should just be |
| 6 | # declare $var='val' |
| 7 | # |
| 8 | # NOTE: |
| 9 | # /usr/bin/printf %q "'" seems wrong. |
| 10 | # $ /usr/bin/printf %q "'" |
| 11 | # ''\''' |
| 12 | # |
| 13 | # I suppose it is technically correct, but it looks very ugly. |
| 14 | |
| 15 | #### printf with no args |
| 16 | printf |
| 17 | ## status: 2 |
| 18 | ## OK mksh/zsh status: 1 |
| 19 | ## stdout-json: "" |
| 20 | |
| 21 | #### printf -v %s |
| 22 | var=foo |
| 23 | printf -v $var %s 'hello there' |
| 24 | argv.py "$foo" |
| 25 | ## STDOUT: |
| 26 | ['hello there'] |
| 27 | ## END |
| 28 | ## N-I mksh/zsh/ash STDOUT: |
| 29 | -v[''] |
| 30 | ## END |
| 31 | ## N-I dash STDOUT: |
| 32 | [''] |
| 33 | ## END |
| 34 | |
| 35 | #### printf -v %q |
| 36 | val='"quoted" with spaces and \' |
| 37 | |
| 38 | # quote 'val' and store it in foo |
| 39 | printf -v foo %q "$val" |
| 40 | # then round trip back to eval |
| 41 | eval "bar=$foo" |
| 42 | |
| 43 | # debugging: |
| 44 | #echo foo="$foo" |
| 45 | #echo bar="$bar" |
| 46 | #echo val="$val" |
| 47 | |
| 48 | test "$bar" = "$val" && echo OK |
| 49 | ## STDOUT: |
| 50 | OK |
| 51 | ## END |
| 52 | ## N-I mksh/zsh/ash stdout-json: "-v" |
| 53 | ## N-I mksh/zsh/ash status: 1 |
| 54 | ## N-I dash stdout-json: "" |
| 55 | ## N-I dash status: 1 |
| 56 | |
| 57 | #### printf -v a[1] |
| 58 | a=(a b c) |
| 59 | printf -v 'a[1]' %s 'foo' |
| 60 | echo status=$? |
| 61 | argv.py "${a[@]}" |
| 62 | ## STDOUT: |
| 63 | status=0 |
| 64 | ['a', 'foo', 'c'] |
| 65 | ## END |
| 66 | ## N-I mksh/zsh STDOUT: |
| 67 | -vstatus=0 |
| 68 | ['a', 'b', 'c'] |
| 69 | ## END |
| 70 | ## N-I dash/ash stdout-json: "" |
| 71 | ## N-I dash/ash status: 2 |
| 72 | |
| 73 | #### printf -v syntax error |
| 74 | printf -v 'a[' %s 'foo' |
| 75 | echo status=$? |
| 76 | ## STDOUT: |
| 77 | status=2 |
| 78 | ## END |
| 79 | ## N-I ash/mksh/zsh stdout: -vstatus=0 |
| 80 | |
| 81 | #### dynamic declare instead of %s |
| 82 | var=foo |
| 83 | declare $var='hello there' |
| 84 | argv.py "$foo" |
| 85 | ## STDOUT: |
| 86 | ['hello there'] |
| 87 | ## END |
| 88 | ## N-I dash/mksh/ash STDOUT: |
| 89 | [''] |
| 90 | ## END |
| 91 | |
| 92 | #### dynamic declare instead of %q |
| 93 | var=foo |
| 94 | val='"quoted" with spaces and \' |
| 95 | # I think this is bash 4.4 only. |
| 96 | declare $var="${val@Q}" |
| 97 | echo "$foo" |
| 98 | ## STDOUT: |
| 99 | '"quoted" with spaces and \' |
| 100 | ## END |
| 101 | ## OK osh STDOUT: |
| 102 | $'"quoted" with spaces and \\' |
| 103 | ## END |
| 104 | ## N-I dash/ash stdout-json: "" |
| 105 | ## N-I dash/ash status: 2 |
| 106 | ## N-I mksh stdout-json: "\n" |
| 107 | ## N-I zsh stdout-json: "" |
| 108 | ## N-I zsh status: 1 |
| 109 | |
| 110 | #### printf -v dynamic scope |
| 111 | case $SH in mksh|zsh|dash|ash) echo not implemented; exit ;; esac |
| 112 | # OK so printf is like assigning to a var. |
| 113 | # printf -v foo %q "$bar" is like |
| 114 | # foo=${bar@Q} |
| 115 | dollar='dollar' |
| 116 | f() { |
| 117 | local mylocal=foo |
| 118 | printf -v dollar %q '$' # assign foo to a quoted dollar |
| 119 | printf -v mylocal %q 'mylocal' |
| 120 | echo dollar=$dollar |
| 121 | echo mylocal=$mylocal |
| 122 | } |
| 123 | echo dollar=$dollar |
| 124 | echo -- |
| 125 | f |
| 126 | echo -- |
| 127 | echo dollar=$dollar |
| 128 | echo mylocal=$mylocal |
| 129 | ## STDOUT: |
| 130 | dollar=dollar |
| 131 | -- |
| 132 | dollar=\$ |
| 133 | mylocal=mylocal |
| 134 | -- |
| 135 | dollar=\$ |
| 136 | mylocal= |
| 137 | ## END |
| 138 | ## OK osh STDOUT: |
| 139 | dollar=dollar |
| 140 | -- |
| 141 | dollar='$' |
| 142 | mylocal=mylocal |
| 143 | -- |
| 144 | dollar='$' |
| 145 | mylocal= |
| 146 | ## END |
| 147 | ## N-I dash/ash/mksh/zsh STDOUT: |
| 148 | not implemented |
| 149 | ## END |
| 150 | |
| 151 | #### printf with too few arguments |
| 152 | printf -- '-%s-%s-%s-\n' 'a b' 'x y' |
| 153 | ## STDOUT: |
| 154 | -a b-x y-- |
| 155 | ## END |
| 156 | |
| 157 | #### printf with too many arguments |
| 158 | printf -- '-%s-%s-\n' a b c d e |
| 159 | ## STDOUT: |
| 160 | -a-b- |
| 161 | -c-d- |
| 162 | -e-- |
| 163 | ## END |
| 164 | |
| 165 | #### printf width strings |
| 166 | printf '[%5s]\n' abc |
| 167 | printf '[%-5s]\n' abc |
| 168 | ## STDOUT: |
| 169 | [ abc] |
| 170 | [abc ] |
| 171 | ## END |
| 172 | |
| 173 | #### printf integer |
| 174 | printf '%d\n' 42 |
| 175 | printf '%i\n' 42 # synonym |
| 176 | printf '%d\n' \'a # if first character is a quote, use character code |
| 177 | printf '%d\n' \"a # double quotes work too |
| 178 | printf '[%5d]\n' 42 |
| 179 | printf '[%-5d]\n' 42 |
| 180 | printf '[%05d]\n' 42 |
| 181 | #printf '[%-05d]\n' 42 # the leading 0 is meaningless |
| 182 | #[42 ] |
| 183 | ## STDOUT: |
| 184 | 42 |
| 185 | 42 |
| 186 | 97 |
| 187 | 97 |
| 188 | [ 42] |
| 189 | [42 ] |
| 190 | [00042] |
| 191 | ## END |
| 192 | |
| 193 | #### printf %6.4d -- "precision" does padding for integers |
| 194 | printf '[%6.4d]\n' 42 |
| 195 | printf '[%.4d]\n' 42 |
| 196 | printf '[%6.d]\n' 42 |
| 197 | echo -- |
| 198 | printf '[%6.4d]\n' -42 |
| 199 | printf '[%.4d]\n' -42 |
| 200 | printf '[%6.d]\n' -42 |
| 201 | ## STDOUT: |
| 202 | [ 0042] |
| 203 | [0042] |
| 204 | [ 42] |
| 205 | -- |
| 206 | [ -0042] |
| 207 | [-0042] |
| 208 | [ -42] |
| 209 | ## END |
| 210 | |
| 211 | #### printf %6.4x X o |
| 212 | printf '[%6.4x]\n' 42 |
| 213 | printf '[%.4x]\n' 42 |
| 214 | printf '[%6.x]\n' 42 |
| 215 | echo -- |
| 216 | printf '[%6.4X]\n' 42 |
| 217 | printf '[%.4X]\n' 42 |
| 218 | printf '[%6.X]\n' 42 |
| 219 | echo -- |
| 220 | printf '[%6.4o]\n' 42 |
| 221 | printf '[%.4o]\n' 42 |
| 222 | printf '[%6.o]\n' 42 |
| 223 | ## STDOUT: |
| 224 | [ 002a] |
| 225 | [002a] |
| 226 | [ 2a] |
| 227 | -- |
| 228 | [ 002A] |
| 229 | [002A] |
| 230 | [ 2A] |
| 231 | -- |
| 232 | [ 0052] |
| 233 | [0052] |
| 234 | [ 52] |
| 235 | ## END |
| 236 | |
| 237 | #### %06d zero padding vs. %6.6d |
| 238 | printf '[%06d]\n' 42 |
| 239 | printf '[%06d]\n' -42 # 6 TOTAL |
| 240 | echo -- |
| 241 | printf '[%6.6d]\n' 42 |
| 242 | printf '[%6.6d]\n' -42 # 6 + 1 for the - sign!!! |
| 243 | ## STDOUT: |
| 244 | [000042] |
| 245 | [-00042] |
| 246 | -- |
| 247 | [000042] |
| 248 | [-000042] |
| 249 | ## END |
| 250 | |
| 251 | #### %06x %06X %06o |
| 252 | printf '[%06x]\n' 42 |
| 253 | printf '[%06X]\n' 42 |
| 254 | printf '[%06o]\n' 42 |
| 255 | ## STDOUT: |
| 256 | [00002a] |
| 257 | [00002A] |
| 258 | [000052] |
| 259 | ## END |
| 260 | |
| 261 | #### %06s is no-op |
| 262 | printf '(%6s)\n' 42 |
| 263 | printf '(%6s)\n' -42 |
| 264 | printf '(%06s)\n' 42 |
| 265 | printf '(%06s)\n' -42 |
| 266 | echo status=$? |
| 267 | ## STDOUT: |
| 268 | ( 42) |
| 269 | ( -42) |
| 270 | ( 42) |
| 271 | ( -42) |
| 272 | status=0 |
| 273 | ## END |
| 274 | # mksh is stricter |
| 275 | ## OK mksh STDOUT: |
| 276 | ( 42) |
| 277 | ( -42) |
| 278 | ((status=1 |
| 279 | ## END |
| 280 | |
| 281 | #### printf %6.4s does both truncation and padding |
| 282 | printf '[%6s]\n' foo |
| 283 | printf '[%6.4s]\n' foo |
| 284 | printf '[%-6.4s]\n' foo |
| 285 | printf '[%6s]\n' spam-eggs |
| 286 | printf '[%6.4s]\n' spam-eggs |
| 287 | printf '[%-6.4s]\n' spam-eggs |
| 288 | ## STDOUT: |
| 289 | [ foo] |
| 290 | [ foo] |
| 291 | [foo ] |
| 292 | [spam-eggs] |
| 293 | [ spam] |
| 294 | [spam ] |
| 295 | ## END |
| 296 | |
| 297 | #### printf %6.0s and %0.0s |
| 298 | printf '[%6.0s]\n' foo |
| 299 | printf '[%0.0s]\n' foo |
| 300 | ## STDOUT: |
| 301 | [ ] |
| 302 | [] |
| 303 | ## END |
| 304 | ## N-I mksh stdout-json: "[ ]\n[" |
| 305 | ## N-I mksh status: 1 |
| 306 | |
| 307 | #### printf %6.s and %0.s |
| 308 | printf '[%6.s]\n' foo |
| 309 | printf '[%0.s]\n' foo |
| 310 | ## STDOUT: |
| 311 | [ ] |
| 312 | [] |
| 313 | ## END |
| 314 | ## BUG zsh STDOUT: |
| 315 | [ foo] |
| 316 | [foo] |
| 317 | ## END |
| 318 | ## N-I mksh stdout-json: "[ ]\n[" |
| 319 | ## N-I mksh status: 1 |
| 320 | |
| 321 | #### printf %*.*s (width/precision from args) |
| 322 | printf '[%*s]\n' 9 hello |
| 323 | printf '[%.*s]\n' 3 hello |
| 324 | printf '[%*.3s]\n' 9 hello |
| 325 | printf '[%9.*s]\n' 3 hello |
| 326 | printf '[%*.*s]\n' 9 3 hello |
| 327 | ## STDOUT: |
| 328 | [ hello] |
| 329 | [hel] |
| 330 | [ hel] |
| 331 | [ hel] |
| 332 | [ hel] |
| 333 | ## END |
| 334 | |
| 335 | #### unsigned / octal / hex |
| 336 | printf '[%u]\n' 42 |
| 337 | printf '[%o]\n' 42 |
| 338 | printf '[%x]\n' 42 |
| 339 | printf '[%X]\n' 42 |
| 340 | printf '[%X]\n' \'a # if first character is a quote, use character code |
| 341 | printf '[%X]\n' \'ab # extra chars ignored |
| 342 | ## STDOUT: |
| 343 | [42] |
| 344 | [52] |
| 345 | [2a] |
| 346 | [2A] |
| 347 | [61] |
| 348 | [61] |
| 349 | ## END |
| 350 | |
| 351 | #### empty string (osh is more strict) |
| 352 | printf '%d\n' '' |
| 353 | ## OK osh stdout-json: "" |
| 354 | ## OK osh status: 1 |
| 355 | ## OK ash status: 1 |
| 356 | ## STDOUT: |
| 357 | 0 |
| 358 | ## END |
| 359 | |
| 360 | #### No char after ' (osh is more strict) |
| 361 | |
| 362 | # most shells use 0 here |
| 363 | printf '%d\n' \' |
| 364 | printf '%d\n' \" |
| 365 | |
| 366 | ## OK mksh status: 1 |
| 367 | ## STDOUT: |
| 368 | 0 |
| 369 | 0 |
| 370 | ## END |
| 371 | |
| 372 | #### Unicode char with ' (osh is more strict) |
| 373 | |
| 374 | # the mu character is U+03BC |
| 375 | |
| 376 | printf '%x\n' \'μ |
| 377 | |
| 378 | ## STDOUT: |
| 379 | 3bc |
| 380 | ## END |
| 381 | ## BUG dash/mksh/ash STDOUT: |
| 382 | ce |
| 383 | ## END |
| 384 | |
| 385 | #### negative numbers with unsigned / octal / hex |
| 386 | printf '[%u]\n' -42 |
| 387 | printf '[%o]\n' -42 |
| 388 | printf '[%x]\n' -42 |
| 389 | printf '[%X]\n' -42 |
| 390 | ## STDOUT: |
| 391 | [18446744073709551574] |
| 392 | [1777777777777777777726] |
| 393 | [ffffffffffffffd6] |
| 394 | [FFFFFFFFFFFFFFD6] |
| 395 | ## END |
| 396 | |
| 397 | # osh DISALLOWS this because the output depends on the machine architecture. |
| 398 | ## N-I osh stdout-json: "" |
| 399 | ## N-I osh status: 1 |
| 400 | |
| 401 | #### printf floating point (not required, but they all implement it) |
| 402 | printf '[%f]\n' 3.14159 |
| 403 | printf '[%.2f]\n' 3.14159 |
| 404 | printf '[%8.2f]\n' 3.14159 |
| 405 | printf '[%-8.2f]\n' 3.14159 |
| 406 | printf '[%-f]\n' 3.14159 |
| 407 | printf '[%-f]\n' 3.14 |
| 408 | ## STDOUT: |
| 409 | [3.141590] |
| 410 | [3.14] |
| 411 | [ 3.14] |
| 412 | [3.14 ] |
| 413 | [3.141590] |
| 414 | [3.140000] |
| 415 | ## END |
| 416 | ## N-I osh stdout-json: "" |
| 417 | ## N-I osh status: 2 |
| 418 | |
| 419 | #### printf floating point with - and 0 |
| 420 | printf '[%8.4f]\n' 3.14 |
| 421 | printf '[%08.4f]\n' 3.14 |
| 422 | printf '[%8.04f]\n' 3.14 # meaning less 0 |
| 423 | printf '[%08.04f]\n' 3.14 |
| 424 | echo --- |
| 425 | # these all boil down to the same thing. The -, 8, and 4 are respected, but |
| 426 | # none of the 0 are. |
| 427 | printf '[%-8.4f]\n' 3.14 |
| 428 | printf '[%-08.4f]\n' 3.14 |
| 429 | printf '[%-8.04f]\n' 3.14 |
| 430 | printf '[%-08.04f]\n' 3.14 |
| 431 | ## STDOUT: |
| 432 | [ 3.1400] |
| 433 | [003.1400] |
| 434 | [ 3.1400] |
| 435 | [003.1400] |
| 436 | --- |
| 437 | [3.1400 ] |
| 438 | [3.1400 ] |
| 439 | [3.1400 ] |
| 440 | [3.1400 ] |
| 441 | ## END |
| 442 | ## N-I osh STDOUT: |
| 443 | --- |
| 444 | ## END |
| 445 | ## N-I osh status: 2 |
| 446 | |
| 447 | #### printf eE fF gG |
| 448 | printf '[%e]\n' 3.14 |
| 449 | printf '[%E]\n' 3.14 |
| 450 | printf '[%f]\n' 3.14 |
| 451 | # bash is the only one that implements %F? Is it a synonym? |
| 452 | #printf '[%F]\n' 3.14 |
| 453 | printf '[%g]\n' 3.14 |
| 454 | printf '[%G]\n' 3.14 |
| 455 | ## STDOUT: |
| 456 | [3.140000e+00] |
| 457 | [3.140000E+00] |
| 458 | [3.140000] |
| 459 | [3.14] |
| 460 | [3.14] |
| 461 | ## END |
| 462 | ## N-I osh stdout-json: "" |
| 463 | ## N-I osh status: 2 |
| 464 | |
| 465 | #### printf backslash escapes |
| 466 | argv.py "$(printf 'a\tb')" |
| 467 | argv.py "$(printf '\xE2\x98\xA0')" |
| 468 | argv.py "$(printf '\044e')" |
| 469 | argv.py "$(printf '\0377')" # out of range |
| 470 | ## STDOUT: |
| 471 | ['a\tb'] |
| 472 | ['\xe2\x98\xa0'] |
| 473 | ['$e'] |
| 474 | ['\x1f7'] |
| 475 | ## END |
| 476 | ## N-I dash STDOUT: |
| 477 | ['a\tb'] |
| 478 | ['\\xE2\\x98\\xA0'] |
| 479 | ['$e'] |
| 480 | ['\x1f7'] |
| 481 | ## END |
| 482 | |
| 483 | #### printf octal backslash escapes |
| 484 | argv.py "$(printf '\0377')" |
| 485 | argv.py "$(printf '\377')" |
| 486 | ## STDOUT: |
| 487 | ['\x1f7'] |
| 488 | ['\xff'] |
| 489 | ## END |
| 490 | |
| 491 | #### printf unicode backslash escapes |
| 492 | argv.py "$(printf '\u2620')" |
| 493 | argv.py "$(printf '\U0000065f')" |
| 494 | ## STDOUT: |
| 495 | ['\xe2\x98\xa0'] |
| 496 | ['\xd9\x9f'] |
| 497 | ## END |
| 498 | ## N-I dash/ash STDOUT: |
| 499 | ['\\u2620'] |
| 500 | ['\\U0000065f'] |
| 501 | ## END |
| 502 | |
| 503 | #### printf invalid backslash escape (is ignored) |
| 504 | printf '[\Z]\n' |
| 505 | ## STDOUT: |
| 506 | [\Z] |
| 507 | ## END |
| 508 | |
| 509 | #### printf % escapes |
| 510 | printf '[%%]\n' |
| 511 | ## STDOUT: |
| 512 | [%] |
| 513 | ## END |
| 514 | |
| 515 | #### printf %b backslash escaping |
| 516 | printf '[%s]\n' '\044' # escapes not evaluated |
| 517 | printf '[%b]\n' '\044' # YES, escapes evaluated |
| 518 | echo status=$? |
| 519 | ## STDOUT: |
| 520 | [\044] |
| 521 | [$] |
| 522 | status=0 |
| 523 | ## END |
| 524 | |
| 525 | #### printf %b with \c early return |
| 526 | printf '[%b]\n' 'ab\ncd\cxy' |
| 527 | echo $? |
| 528 | ## STDOUT: |
| 529 | [ab |
| 530 | cd0 |
| 531 | ## END |
| 532 | |
| 533 | #### printf %c -- doesn't respect UTF-8! Bad. |
| 534 | twomu=$'\u03bc\u03bc' |
| 535 | printf '[%s]\n' "$twomu" |
| 536 | printf '%c' "$twomu" | wc --bytes |
| 537 | ## STDOUT: |
| 538 | [μμ] |
| 539 | 1 |
| 540 | ## END |
| 541 | ## N-I dash STDOUT: |
| 542 | [$\u03bc\u03bc] |
| 543 | 1 |
| 544 | ## END |
| 545 | ## N-I ash STDOUT: |
| 546 | [\u03bc\u03bc] |
| 547 | 1 |
| 548 | ## END |
| 549 | ## N-I osh STDOUT: |
| 550 | [μμ] |
| 551 | 0 |
| 552 | ## END |
| 553 | |
| 554 | #### printf invalid format |
| 555 | printf '%z' 42 |
| 556 | echo status=$? |
| 557 | printf '%-z' 42 |
| 558 | echo status=$? |
| 559 | ## STDOUT: |
| 560 | status=1 |
| 561 | status=1 |
| 562 | ## END |
| 563 | # osh emits parse errors |
| 564 | ## OK dash/osh STDOUT: |
| 565 | status=2 |
| 566 | status=2 |
| 567 | ## END |
| 568 | |
| 569 | #### printf %q |
| 570 | x='a b' |
| 571 | printf '[%q]\n' "$x" |
| 572 | ## STDOUT: |
| 573 | ['a b'] |
| 574 | ## END |
| 575 | ## OK bash/zsh STDOUT: |
| 576 | [a\ b] |
| 577 | ## END |
| 578 | ## N-I ash/dash stdout-json: "[" |
| 579 | ## N-I ash status: 1 |
| 580 | ## N-I dash status: 2 |
| 581 | |
| 582 | #### printf %6q (width) |
| 583 | # NOTE: coreutils /usr/bin/printf does NOT implement this %6q !!! |
| 584 | x='a b' |
| 585 | printf '[%6q]\n' "$x" |
| 586 | printf '[%1q]\n' "$x" |
| 587 | ## STDOUT: |
| 588 | [ 'a b'] |
| 589 | ['a b'] |
| 590 | ## END |
| 591 | ## OK bash/zsh STDOUT: |
| 592 | [ a\ b] |
| 593 | [a\ b] |
| 594 | ## END |
| 595 | ## N-I mksh/ash/dash stdout-json: "[[" |
| 596 | ## N-I mksh/ash status: 1 |
| 597 | ## N-I dash status: 2 |
| 598 | |
| 599 | #### printf negative numbers |
| 600 | printf '[%d] ' -42 |
| 601 | echo status=$? |
| 602 | printf '[%i] ' -42 |
| 603 | echo status=$? |
| 604 | |
| 605 | # extra LEADING space too |
| 606 | printf '[%d] ' ' -42' |
| 607 | echo status=$? |
| 608 | printf '[%i] ' ' -42' |
| 609 | echo status=$? |
| 610 | |
| 611 | # extra TRAILING space too |
| 612 | printf '[%d] ' ' -42 ' |
| 613 | echo status=$? |
| 614 | printf '[%i] ' ' -42 ' |
| 615 | echo status=$? |
| 616 | |
| 617 | # extra TRAILING chars |
| 618 | printf '[%d] ' ' -42z' |
| 619 | echo status=$? |
| 620 | printf '[%i] ' ' -42z' |
| 621 | echo status=$? |
| 622 | |
| 623 | exit 0 # ok |
| 624 | |
| 625 | ## STDOUT: |
| 626 | [-42] status=0 |
| 627 | [-42] status=0 |
| 628 | [-42] status=0 |
| 629 | [-42] status=0 |
| 630 | [-42] status=1 |
| 631 | [-42] status=1 |
| 632 | [-42] status=1 |
| 633 | [-42] status=1 |
| 634 | ## END |
| 635 | # zsh is LESS STRICT |
| 636 | ## OK zsh STDOUT: |
| 637 | [-42] status=0 |
| 638 | [-42] status=0 |
| 639 | [-42] status=0 |
| 640 | [-42] status=0 |
| 641 | [-42] status=0 |
| 642 | [-42] status=0 |
| 643 | [0] status=1 |
| 644 | [0] status=1 |
| 645 | ## END |
| 646 | |
| 647 | # osh is like zsh but has a hard failure (TODO: could be an option?) |
| 648 | ## OK osh STDOUT: |
| 649 | [-42] status=0 |
| 650 | [-42] status=0 |
| 651 | [-42] status=0 |
| 652 | [-42] status=0 |
| 653 | [-42] status=0 |
| 654 | [-42] status=0 |
| 655 | status=1 |
| 656 | status=1 |
| 657 | ## END |
| 658 | |
| 659 | # ash is MORE STRICT |
| 660 | ## OK ash STDOUT: |
| 661 | [-42] status=0 |
| 662 | [-42] status=0 |
| 663 | [-42] status=0 |
| 664 | [-42] status=0 |
| 665 | [0] status=1 |
| 666 | [0] status=1 |
| 667 | [0] status=1 |
| 668 | [0] status=1 |
| 669 | ## END |
| 670 | |
| 671 | |
| 672 | #### printf + and space flags |
| 673 | # I didn't know these existed -- I only knew about - and 0 ! |
| 674 | printf '[%+d]\n' 42 |
| 675 | printf '[%+d]\n' -42 |
| 676 | printf '[% d]\n' 42 |
| 677 | printf '[% d]\n' -42 |
| 678 | ## STDOUT: |
| 679 | [+42] |
| 680 | [-42] |
| 681 | [ 42] |
| 682 | [-42] |
| 683 | ## END |
| 684 | ## N-I osh stdout-json: "" |
| 685 | ## N-I osh status: 2 |
| 686 | |
| 687 | #### printf # flag |
| 688 | # I didn't know these existed -- I only knew about - and 0 ! |
| 689 | # Note: '#' flag for integers outputs a prefix ONLY WHEN the value is non-zero |
| 690 | printf '[%#o][%#o]\n' 0 42 |
| 691 | printf '[%#x][%#x]\n' 0 42 |
| 692 | printf '[%#X][%#X]\n' 0 42 |
| 693 | echo --- |
| 694 | # Note: '#' flag for %f, %g always outputs the decimal point. |
| 695 | printf '[%.0f][%#.0f]\n' 3 3 |
| 696 | # Note: In addition, '#' flag for %g does not omit zeroes in fraction |
| 697 | printf '[%g][%#g]\n' 3 3 |
| 698 | ## STDOUT: |
| 699 | [0][052] |
| 700 | [0][0x2a] |
| 701 | [0][0X2A] |
| 702 | --- |
| 703 | [3][3.] |
| 704 | [3][3.00000] |
| 705 | ## END |
| 706 | ## N-I osh STDOUT: |
| 707 | --- |
| 708 | ## END |
| 709 | ## N-I osh status: 2 |
| 710 | |
| 711 | #### Runtime error for invalid integer |
| 712 | x=3abc |
| 713 | printf '%d\n' $x |
| 714 | echo status=$? |
| 715 | printf '%d\n' xyz |
| 716 | echo status=$? |
| 717 | ## STDOUT: |
| 718 | 3 |
| 719 | status=1 |
| 720 | 0 |
| 721 | status=1 |
| 722 | ## END |
| 723 | # zsh should exit 1 in both cases |
| 724 | ## BUG zsh STDOUT: |
| 725 | 0 |
| 726 | status=1 |
| 727 | 0 |
| 728 | status=0 |
| 729 | ## END |
| 730 | # fails but also prints 0 instead of 3abc |
| 731 | ## BUG ash STDOUT: |
| 732 | 0 |
| 733 | status=1 |
| 734 | 0 |
| 735 | status=1 |
| 736 | ## END |
| 737 | # osh doesn't print anything invalid |
| 738 | ## OK osh STDOUT: |
| 739 | status=1 |
| 740 | status=1 |
| 741 | ## END |
| 742 | |
| 743 | #### %(strftime format)T |
| 744 | # The result depends on timezone |
| 745 | export TZ=Asia/Tokyo |
| 746 | printf '%(%Y-%m-%d)T\n' 1557978599 |
| 747 | export TZ=US/Eastern |
| 748 | printf '%(%Y-%m-%d)T\n' 1557978599 |
| 749 | echo status=$? |
| 750 | ## STDOUT: |
| 751 | 2019-05-16 |
| 752 | 2019-05-15 |
| 753 | status=0 |
| 754 | ## END |
| 755 | ## N-I mksh/zsh/ash STDOUT: |
| 756 | status=1 |
| 757 | ## END |
| 758 | ## N-I dash STDOUT: |
| 759 | status=2 |
| 760 | ## END |
| 761 | |
| 762 | #### %(strftime format)T doesn't respect TZ if not exported |
| 763 | |
| 764 | # note: this test leaks! It assumes that /etc/localtime is NOT Portugal. |
| 765 | |
| 766 | TZ=Portugal # NOT exported |
| 767 | localtime=$(printf '%(%Y-%m-%d %H:%M:%S)T\n' 1557978599) |
| 768 | |
| 769 | # TZ is respected |
| 770 | export TZ=Portugal |
| 771 | tz=$(printf '%(%Y-%m-%d %H:%M:%S)T\n' 1557978599) |
| 772 | |
| 773 | #echo $localtime |
| 774 | #echo $tz |
| 775 | |
| 776 | if ! test "$localtime" = "$tz"; then |
| 777 | echo 'not equal' |
| 778 | fi |
| 779 | ## STDOUT: |
| 780 | not equal |
| 781 | ## END |
| 782 | ## N-I mksh/zsh/ash/dash stdout-json: "" |
| 783 | |
| 784 | #### %(strftime format)T TZ in environ but not in shell's memory |
| 785 | |
| 786 | # note: this test leaks! It assumes that /etc/localtime is NOT Portugal. |
| 787 | |
| 788 | # TZ is respected |
| 789 | export TZ=Portugal |
| 790 | tz=$(printf '%(%Y-%m-%d %H:%M:%S)T\n' 1557978599) |
| 791 | |
| 792 | unset TZ # unset in the shell, but still in the environment |
| 793 | |
| 794 | localtime=$(printf '%(%Y-%m-%d %H:%M:%S)T\n' 1557978599) |
| 795 | |
| 796 | if ! test "$localtime" = "$tz"; then |
| 797 | echo 'not equal' |
| 798 | fi |
| 799 | |
| 800 | ## STDOUT: |
| 801 | not equal |
| 802 | ## END |
| 803 | ## N-I mksh/zsh/ash/dash stdout-json: "" |
| 804 | |
| 805 | #### %10.5(strftime format)T |
| 806 | # The result depends on timezone |
| 807 | export TZ=Asia/Tokyo |
| 808 | printf '[%10.5(%Y-%m-%d)T]\n' 1557978599 |
| 809 | export TZ=US/Eastern |
| 810 | printf '[%10.5(%Y-%m-%d)T]\n' 1557978599 |
| 811 | echo status=$? |
| 812 | ## STDOUT: |
| 813 | [ 2019-] |
| 814 | [ 2019-] |
| 815 | status=0 |
| 816 | ## END |
| 817 | ## N-I dash/mksh/zsh/ash STDOUT: |
| 818 | [[status=1 |
| 819 | ## END |
| 820 | ## N-I dash STDOUT: |
| 821 | [[status=2 |
| 822 | ## END |
| 823 | |
| 824 | #### Regression for 'printf x y' |
| 825 | printf x y |
| 826 | printf '%s\n' z |
| 827 | ## STDOUT: |
| 828 | xz |
| 829 | ## END |
| 830 | |
| 831 | #### bash truncates long strftime string at 128 |
| 832 | |
| 833 | case $SH in (ash|dash|mksh|zsh) exit ;; esac |
| 834 | |
| 835 | strftime-format() { |
| 836 | local n=$1 |
| 837 | |
| 838 | # Prints increasingly long format strings: |
| 839 | # %(%Y)T %(%Y)T %(%Y%Y)T ... |
| 840 | |
| 841 | echo -n '%(' |
| 842 | for i in $(seq $n); do |
| 843 | echo -n '%Y' |
| 844 | done |
| 845 | echo -n ')T' |
| 846 | } |
| 847 | |
| 848 | printf $(strftime-format 1) | wc --bytes |
| 849 | printf $(strftime-format 10) | wc --bytes |
| 850 | printf $(strftime-format 30) | wc --bytes |
| 851 | printf $(strftime-format 31) | wc --bytes |
| 852 | printf $(strftime-format 32) | wc --bytes |
| 853 | |
| 854 | case $SH in |
| 855 | (*/_bin/cxx-dbg/*) |
| 856 | # Ensure that oils-for-unix detects the truncation of a fixed buffer. |
| 857 | # bash has a buffer of 128. |
| 858 | |
| 859 | set +o errexit |
| 860 | ( |
| 861 | printf $(strftime-format 1000) |
| 862 | ) |
| 863 | status=$? |
| 864 | if test $status -ne 1; then |
| 865 | echo FAIL |
| 866 | fi |
| 867 | ;; |
| 868 | esac |
| 869 | |
| 870 | ## STDOUT: |
| 871 | 4 |
| 872 | 40 |
| 873 | 120 |
| 874 | 124 |
| 875 | 0 |
| 876 | ## END |
| 877 | ## OK osh STDOUT: |
| 878 | 4 |
| 879 | 40 |
| 880 | 120 |
| 881 | 124 |
| 882 | 128 |
| 883 | ## END |
| 884 | |
| 885 | ## N-I ash/dash/mksh/zsh STDOUT: |
| 886 | ## END |
| 887 | |
| 888 | |
| 889 | #### printf with explicit NUL byte |
| 890 | case $SH in (dash|ash) return ;; esac |
| 891 | |
| 892 | printf $'x\U0z' |
| 893 | |
| 894 | printf $'\U0z' |
| 895 | |
| 896 | ## stdout-json: "x" |
| 897 | ## OK zsh stdout-repr: "x\0z\0z" |
| 898 | ## N-I dash/ash stdout-json: "" |