| 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 | ## N-I osh STDOUT: |
| 73 | status=2 |
| 74 | ['a', 'b', 'c'] |
| 75 | ## END |
| 76 | |
| 77 | #### dynamic declare instead of %s |
| 78 | var=foo |
| 79 | declare $var='hello there' |
| 80 | argv.py "$foo" |
| 81 | ## STDOUT: |
| 82 | ['hello there'] |
| 83 | ## END |
| 84 | ## N-I dash/mksh/ash STDOUT: |
| 85 | [''] |
| 86 | ## END |
| 87 | |
| 88 | #### dynamic declare instead of %q |
| 89 | var=foo |
| 90 | val='"quoted" with spaces and \' |
| 91 | # I think this is bash 4.4 only. |
| 92 | declare $var="${val@Q}" |
| 93 | echo "$foo" |
| 94 | ## STDOUT: |
| 95 | '"quoted" with spaces and \' |
| 96 | ## END |
| 97 | ## OK osh STDOUT: |
| 98 | $'"quoted" with spaces and \\' |
| 99 | ## END |
| 100 | ## N-I dash/ash stdout-json: "" |
| 101 | ## N-I dash/ash status: 2 |
| 102 | ## N-I mksh stdout-json: "\n" |
| 103 | ## N-I zsh stdout-json: "" |
| 104 | ## N-I zsh status: 1 |
| 105 | |
| 106 | #### printf -v dynamic scope |
| 107 | case $SH in mksh|zsh|dash|ash) echo not implemented; exit ;; esac |
| 108 | # OK so printf is like assigning to a var. |
| 109 | # printf -v foo %q "$bar" is like |
| 110 | # foo=${bar@Q} |
| 111 | dollar='dollar' |
| 112 | f() { |
| 113 | local mylocal=foo |
| 114 | printf -v dollar %q '$' # assign foo to a quoted dollar |
| 115 | printf -v mylocal %q 'mylocal' |
| 116 | echo dollar=$dollar |
| 117 | echo mylocal=$mylocal |
| 118 | } |
| 119 | echo dollar=$dollar |
| 120 | echo -- |
| 121 | f |
| 122 | echo -- |
| 123 | echo dollar=$dollar |
| 124 | echo mylocal=$mylocal |
| 125 | ## STDOUT: |
| 126 | dollar=dollar |
| 127 | -- |
| 128 | dollar=\$ |
| 129 | mylocal=mylocal |
| 130 | -- |
| 131 | dollar=\$ |
| 132 | mylocal= |
| 133 | ## END |
| 134 | ## OK osh STDOUT: |
| 135 | dollar=dollar |
| 136 | -- |
| 137 | dollar='$' |
| 138 | mylocal=mylocal |
| 139 | -- |
| 140 | dollar='$' |
| 141 | mylocal= |
| 142 | ## END |
| 143 | ## N-I dash/ash/mksh/zsh STDOUT: |
| 144 | not implemented |
| 145 | ## END |
| 146 | |
| 147 | #### printf with too few arguments |
| 148 | printf -- '-%s-%s-%s-\n' 'a b' 'x y' |
| 149 | ## STDOUT: |
| 150 | -a b-x y-- |
| 151 | ## END |
| 152 | |
| 153 | #### printf with too many arguments |
| 154 | printf -- '-%s-%s-\n' a b c d e |
| 155 | ## STDOUT: |
| 156 | -a-b- |
| 157 | -c-d- |
| 158 | -e-- |
| 159 | ## END |
| 160 | |
| 161 | #### printf width strings |
| 162 | printf '[%5s]\n' abc |
| 163 | printf '[%-5s]\n' abc |
| 164 | ## STDOUT: |
| 165 | [ abc] |
| 166 | [abc ] |
| 167 | ## END |
| 168 | |
| 169 | #### printf integer |
| 170 | printf '%d\n' 42 |
| 171 | printf '%i\n' 42 # synonym |
| 172 | printf '%d\n' \'a # if first character is a quote, use character code |
| 173 | printf '%d\n' \"a # double quotes work too |
| 174 | printf '[%5d]\n' 42 |
| 175 | printf '[%-5d]\n' 42 |
| 176 | printf '[%05d]\n' 42 |
| 177 | #printf '[%-05d]\n' 42 # the leading 0 is meaningless |
| 178 | #[42 ] |
| 179 | ## STDOUT: |
| 180 | 42 |
| 181 | 42 |
| 182 | 97 |
| 183 | 97 |
| 184 | [ 42] |
| 185 | [42 ] |
| 186 | [00042] |
| 187 | ## END |
| 188 | |
| 189 | #### printf %6.4d -- precision means something different for integers !? |
| 190 | printf '[%6.4d]\n' 42 |
| 191 | ## STDOUT: |
| 192 | [ 0042] |
| 193 | ## END |
| 194 | ## N-I osh stdout-json: "" |
| 195 | ## N-I osh status: 2 |
| 196 | |
| 197 | #### printf %6.4s does both truncation and padding |
| 198 | printf '[%6s]\n' foo |
| 199 | printf '[%6.4s]\n' foo |
| 200 | printf '[%-6.4s]\n' foo |
| 201 | printf '[%6s]\n' spam-eggs |
| 202 | printf '[%6.4s]\n' spam-eggs |
| 203 | printf '[%-6.4s]\n' spam-eggs |
| 204 | ## STDOUT: |
| 205 | [ foo] |
| 206 | [ foo] |
| 207 | [foo ] |
| 208 | [spam-eggs] |
| 209 | [ spam] |
| 210 | [spam ] |
| 211 | ## END |
| 212 | |
| 213 | #### printf %6.0s and %0.0s |
| 214 | printf '[%6.0s]\n' foo |
| 215 | printf '[%0.0s]\n' foo |
| 216 | ## STDOUT: |
| 217 | [ ] |
| 218 | [] |
| 219 | ## END |
| 220 | ## N-I mksh stdout-json: "[ ]\n[" |
| 221 | ## N-I mksh status: 1 |
| 222 | |
| 223 | #### printf %6.s and %0.s |
| 224 | printf '[%6.s]\n' foo |
| 225 | printf '[%0.s]\n' foo |
| 226 | ## STDOUT: |
| 227 | [ ] |
| 228 | [] |
| 229 | ## END |
| 230 | ## BUG zsh STDOUT: |
| 231 | [ foo] |
| 232 | [foo] |
| 233 | ## END |
| 234 | ## N-I mksh stdout-json: "[ ]\n[" |
| 235 | ## N-I mksh status: 1 |
| 236 | |
| 237 | #### printf %*.*s (width/precision from args) |
| 238 | printf '[%*s]\n' 9 hello |
| 239 | printf '[%.*s]\n' 3 hello |
| 240 | printf '[%*.3s]\n' 9 hello |
| 241 | printf '[%9.*s]\n' 3 hello |
| 242 | printf '[%*.*s]\n' 9 3 hello |
| 243 | ## STDOUT: |
| 244 | [ hello] |
| 245 | [hel] |
| 246 | [ hel] |
| 247 | [ hel] |
| 248 | [ hel] |
| 249 | ## END |
| 250 | |
| 251 | #### unsigned / octal / hex |
| 252 | printf '[%u]\n' 42 |
| 253 | printf '[%o]\n' 42 |
| 254 | printf '[%x]\n' 42 |
| 255 | printf '[%X]\n' 42 |
| 256 | printf '[%X]\n' \'a # if first character is a quote, use character code |
| 257 | printf '[%X]\n' \'ab # extra chars ignored |
| 258 | ## STDOUT: |
| 259 | [42] |
| 260 | [52] |
| 261 | [2a] |
| 262 | [2A] |
| 263 | [61] |
| 264 | [61] |
| 265 | ## END |
| 266 | |
| 267 | #### empty string (osh is more strict) |
| 268 | printf '%d\n' '' |
| 269 | ## OK osh stdout-json: "" |
| 270 | ## OK osh status: 1 |
| 271 | ## OK ash status: 1 |
| 272 | ## STDOUT: |
| 273 | 0 |
| 274 | ## END |
| 275 | |
| 276 | #### No char after ' (osh is more strict) |
| 277 | |
| 278 | # most shells use 0 here |
| 279 | printf '%d\n' \' |
| 280 | |
| 281 | ## OK osh stdout-json: "" |
| 282 | ## OK osh status: 1 |
| 283 | ## OK mksh status: 1 |
| 284 | ## STDOUT: |
| 285 | 0 |
| 286 | ## END |
| 287 | |
| 288 | #### Unicode char with ' (osh is more strict) |
| 289 | |
| 290 | # the mu character is U+03BC |
| 291 | |
| 292 | printf '%x\n' \'μ |
| 293 | |
| 294 | ## STDOUT: |
| 295 | 3bc |
| 296 | ## END |
| 297 | ## BUG dash/mksh/ash STDOUT: |
| 298 | ce |
| 299 | ## END |
| 300 | |
| 301 | #### negative numbers with unsigned / octal / hex |
| 302 | printf '[%u]\n' -42 |
| 303 | printf '[%o]\n' -42 |
| 304 | printf '[%x]\n' -42 |
| 305 | printf '[%X]\n' -42 |
| 306 | ## STDOUT: |
| 307 | [18446744073709551574] |
| 308 | [1777777777777777777726] |
| 309 | [ffffffffffffffd6] |
| 310 | [FFFFFFFFFFFFFFD6] |
| 311 | ## END |
| 312 | |
| 313 | # osh DISALLOWS this because the output depends on the machine architecture. |
| 314 | ## N-I osh stdout-json: "" |
| 315 | ## N-I osh status: 1 |
| 316 | |
| 317 | #### printf floating point (not required, but they all implement it) |
| 318 | printf '[%f]\n' 3.14159 |
| 319 | printf '[%.2f]\n' 3.14159 |
| 320 | printf '[%8.2f]\n' 3.14159 |
| 321 | printf '[%-8.2f]\n' 3.14159 |
| 322 | printf '[%-f]\n' 3.14159 |
| 323 | printf '[%-f]\n' 3.14 |
| 324 | ## STDOUT: |
| 325 | [3.141590] |
| 326 | [3.14] |
| 327 | [ 3.14] |
| 328 | [3.14 ] |
| 329 | [3.141590] |
| 330 | [3.140000] |
| 331 | ## END |
| 332 | ## N-I osh stdout-json: "" |
| 333 | ## N-I osh status: 2 |
| 334 | |
| 335 | #### printf floating point with - and 0 |
| 336 | printf '[%8.4f]\n' 3.14 |
| 337 | printf '[%08.4f]\n' 3.14 |
| 338 | printf '[%8.04f]\n' 3.14 # meaning less 0 |
| 339 | printf '[%08.04f]\n' 3.14 |
| 340 | echo --- |
| 341 | # these all boil down to the same thing. The -, 8, and 4 are respected, but |
| 342 | # none of the 0 are. |
| 343 | printf '[%-8.4f]\n' 3.14 |
| 344 | printf '[%-08.4f]\n' 3.14 |
| 345 | printf '[%-8.04f]\n' 3.14 |
| 346 | printf '[%-08.04f]\n' 3.14 |
| 347 | ## STDOUT: |
| 348 | [ 3.1400] |
| 349 | [003.1400] |
| 350 | [ 3.1400] |
| 351 | [003.1400] |
| 352 | --- |
| 353 | [3.1400 ] |
| 354 | [3.1400 ] |
| 355 | [3.1400 ] |
| 356 | [3.1400 ] |
| 357 | ## END |
| 358 | ## N-I osh STDOUT: |
| 359 | --- |
| 360 | ## END |
| 361 | ## N-I osh status: 2 |
| 362 | |
| 363 | #### printf eE fF gG |
| 364 | printf '[%e]\n' 3.14 |
| 365 | printf '[%E]\n' 3.14 |
| 366 | printf '[%f]\n' 3.14 |
| 367 | # bash is the only one that implements %F? Is it a synonym? |
| 368 | #printf '[%F]\n' 3.14 |
| 369 | printf '[%g]\n' 3.14 |
| 370 | printf '[%G]\n' 3.14 |
| 371 | ## STDOUT: |
| 372 | [3.140000e+00] |
| 373 | [3.140000E+00] |
| 374 | [3.140000] |
| 375 | [3.14] |
| 376 | [3.14] |
| 377 | ## END |
| 378 | ## N-I osh stdout-json: "" |
| 379 | ## N-I osh status: 2 |
| 380 | |
| 381 | #### printf backslash escapes |
| 382 | argv.py "$(printf 'a\tb')" |
| 383 | argv.py "$(printf '\xE2\x98\xA0')" |
| 384 | argv.py "$(printf '\044e')" |
| 385 | argv.py "$(printf '\0377')" # out of range |
| 386 | ## STDOUT: |
| 387 | ['a\tb'] |
| 388 | ['\xe2\x98\xa0'] |
| 389 | ['$e'] |
| 390 | ['\x1f7'] |
| 391 | ## END |
| 392 | ## N-I dash STDOUT: |
| 393 | ['a\tb'] |
| 394 | ['\\xE2\\x98\\xA0'] |
| 395 | ['$e'] |
| 396 | ['\x1f7'] |
| 397 | ## END |
| 398 | |
| 399 | #### printf octal backslash escapes |
| 400 | argv.py "$(printf '\0377')" |
| 401 | argv.py "$(printf '\377')" |
| 402 | ## STDOUT: |
| 403 | ['\x1f7'] |
| 404 | ['\xff'] |
| 405 | ## END |
| 406 | |
| 407 | #### printf unicode backslash escapes |
| 408 | argv.py "$(printf '\u2620')" |
| 409 | argv.py "$(printf '\U0000065f')" |
| 410 | ## STDOUT: |
| 411 | ['\xe2\x98\xa0'] |
| 412 | ['\xd9\x9f'] |
| 413 | ## END |
| 414 | ## N-I dash/ash STDOUT: |
| 415 | ['\\u2620'] |
| 416 | ['\\U0000065f'] |
| 417 | ## END |
| 418 | |
| 419 | #### printf invalid backslash escape (is ignored) |
| 420 | printf '[\Z]\n' |
| 421 | ## STDOUT: |
| 422 | [\Z] |
| 423 | ## END |
| 424 | |
| 425 | #### printf % escapes |
| 426 | printf '[%%]\n' |
| 427 | ## STDOUT: |
| 428 | [%] |
| 429 | ## END |
| 430 | |
| 431 | #### printf %b backslash escaping |
| 432 | printf '[%s]\n' '\044' # escapes not evaluated |
| 433 | printf '[%b]\n' '\044' # YES, escapes evaluated |
| 434 | echo status=$? |
| 435 | ## STDOUT: |
| 436 | [\044] |
| 437 | [$] |
| 438 | status=0 |
| 439 | ## END |
| 440 | |
| 441 | #### printf %b with \c early return |
| 442 | printf '[%b]\n' 'ab\ncd\cxy' |
| 443 | echo $? |
| 444 | ## STDOUT: |
| 445 | [ab |
| 446 | cd0 |
| 447 | ## END |
| 448 | |
| 449 | #### printf %c -- doesn't respect UTF-8! Bad. |
| 450 | twomu=$'\u03bc\u03bc' |
| 451 | printf '[%s]\n' "$twomu" |
| 452 | printf '%c' "$twomu" | wc --bytes |
| 453 | ## STDOUT: |
| 454 | [μμ] |
| 455 | 1 |
| 456 | ## END |
| 457 | ## N-I dash STDOUT: |
| 458 | [$\u03bc\u03bc] |
| 459 | 1 |
| 460 | ## END |
| 461 | ## N-I ash STDOUT: |
| 462 | [\u03bc\u03bc] |
| 463 | 1 |
| 464 | ## END |
| 465 | ## N-I osh STDOUT: |
| 466 | [μμ] |
| 467 | 0 |
| 468 | ## END |
| 469 | |
| 470 | #### printf invalid format |
| 471 | printf '%z' 42 |
| 472 | echo status=$? |
| 473 | printf '%-z' 42 |
| 474 | echo status=$? |
| 475 | ## STDOUT: |
| 476 | status=1 |
| 477 | status=1 |
| 478 | ## END |
| 479 | # osh emits parse errors |
| 480 | ## OK dash/osh STDOUT: |
| 481 | status=2 |
| 482 | status=2 |
| 483 | ## END |
| 484 | |
| 485 | #### printf %q |
| 486 | x='a b' |
| 487 | printf '[%q]\n' "$x" |
| 488 | ## STDOUT: |
| 489 | ['a b'] |
| 490 | ## END |
| 491 | ## OK bash/zsh STDOUT: |
| 492 | [a\ b] |
| 493 | ## END |
| 494 | ## N-I ash/dash stdout-json: "[" |
| 495 | ## N-I ash status: 1 |
| 496 | ## N-I dash status: 2 |
| 497 | |
| 498 | #### printf %6q (width) |
| 499 | # NOTE: coreutils /usr/bin/printf does NOT implement this %6q !!! |
| 500 | x='a b' |
| 501 | printf '[%6q]\n' "$x" |
| 502 | ## STDOUT: |
| 503 | [ 'a b'] |
| 504 | ## END |
| 505 | ## OK bash/zsh STDOUT: |
| 506 | [ a\ b] |
| 507 | ## END |
| 508 | ## N-I mksh/ash/dash stdout-json: "[" |
| 509 | ## N-I mksh/ash status: 1 |
| 510 | ## N-I dash status: 2 |
| 511 | |
| 512 | #### printf + and space flags |
| 513 | # I didn't know these existed -- I only knew about - and 0 ! |
| 514 | printf '[%+d]\n' 42 |
| 515 | printf '[%+d]\n' -42 |
| 516 | printf '[% d]\n' 42 |
| 517 | printf '[% d]\n' -42 |
| 518 | ## STDOUT: |
| 519 | [+42] |
| 520 | [-42] |
| 521 | [ 42] |
| 522 | [-42] |
| 523 | ## END |
| 524 | ## N-I osh stdout-json: "" |
| 525 | ## N-I osh status: 2 |
| 526 | |
| 527 | #### printf # flag |
| 528 | # I didn't know these existed -- I only knew about - and 0 ! |
| 529 | # Note: '#' flag for integers outputs a prefix ONLY WHEN the value is non-zero |
| 530 | printf '[%#o][%#o]\n' 0 42 |
| 531 | printf '[%#x][%#x]\n' 0 42 |
| 532 | printf '[%#X][%#X]\n' 0 42 |
| 533 | echo --- |
| 534 | # Note: '#' flag for %f, %g always outputs the decimal point. |
| 535 | printf '[%.0f][%#.0f]\n' 3 3 |
| 536 | # Note: In addition, '#' flag for %g does not omit zeroes in fraction |
| 537 | printf '[%g][%#g]\n' 3 3 |
| 538 | ## STDOUT: |
| 539 | [0][052] |
| 540 | [0][0x2a] |
| 541 | [0][0X2A] |
| 542 | --- |
| 543 | [3][3.] |
| 544 | [3][3.00000] |
| 545 | ## END |
| 546 | ## N-I osh STDOUT: |
| 547 | --- |
| 548 | ## END |
| 549 | ## N-I osh status: 2 |
| 550 | |
| 551 | #### Runtime error for invalid integer |
| 552 | x=3abc |
| 553 | printf '%d\n' $x |
| 554 | echo status=$? |
| 555 | printf '%d\n' xyz |
| 556 | echo status=$? |
| 557 | ## STDOUT: |
| 558 | 3 |
| 559 | status=1 |
| 560 | 0 |
| 561 | status=1 |
| 562 | ## END |
| 563 | # zsh should exit 1 in both cases |
| 564 | ## BUG zsh STDOUT: |
| 565 | 0 |
| 566 | status=1 |
| 567 | 0 |
| 568 | status=0 |
| 569 | ## END |
| 570 | # fails but also prints 0 instead of 3abc |
| 571 | ## BUG ash STDOUT: |
| 572 | 0 |
| 573 | status=1 |
| 574 | 0 |
| 575 | status=1 |
| 576 | ## END |
| 577 | # osh doesn't print anything invalid |
| 578 | ## OK osh STDOUT: |
| 579 | status=1 |
| 580 | status=1 |
| 581 | ## END |
| 582 | |
| 583 | #### %(strftime format)T |
| 584 | # The result depends on timezone |
| 585 | export TZ=Asia/Tokyo |
| 586 | printf '%(%Y-%m-%d)T\n' 1557978599 |
| 587 | export TZ=US/Eastern |
| 588 | printf '%(%Y-%m-%d)T\n' 1557978599 |
| 589 | echo status=$? |
| 590 | ## STDOUT: |
| 591 | 2019-05-16 |
| 592 | 2019-05-15 |
| 593 | status=0 |
| 594 | ## END |
| 595 | ## N-I mksh/zsh/ash STDOUT: |
| 596 | status=1 |
| 597 | ## END |
| 598 | ## N-I dash STDOUT: |
| 599 | status=2 |
| 600 | ## END |
| 601 | |
| 602 | #### %(strftime format)T doesn't respect TZ if not exported |
| 603 | |
| 604 | # note: this test leaks! It assumes that /etc/localtime is NOT Portugal. |
| 605 | |
| 606 | TZ=Portugal # NOT exported |
| 607 | localtime=$(printf '%(%Y-%m-%d %H:%M:%S)T\n' 1557978599) |
| 608 | |
| 609 | # TZ is respected |
| 610 | export TZ=Portugal |
| 611 | tz=$(printf '%(%Y-%m-%d %H:%M:%S)T\n' 1557978599) |
| 612 | |
| 613 | #echo $localtime |
| 614 | #echo $tz |
| 615 | |
| 616 | if ! test "$localtime" = "$tz"; then |
| 617 | echo 'not equal' |
| 618 | fi |
| 619 | ## STDOUT: |
| 620 | not equal |
| 621 | ## END |
| 622 | ## N-I mksh/zsh/ash/dash stdout-json: "" |
| 623 | |
| 624 | #### %(strftime format)T TZ in environ but not in shell's memory |
| 625 | |
| 626 | # note: this test leaks! It assumes that /etc/localtime is NOT Portugal. |
| 627 | |
| 628 | # TZ is respected |
| 629 | export TZ=Portugal |
| 630 | tz=$(printf '%(%Y-%m-%d %H:%M:%S)T\n' 1557978599) |
| 631 | |
| 632 | unset TZ # unset in the shell, but still in the environment |
| 633 | |
| 634 | localtime=$(printf '%(%Y-%m-%d %H:%M:%S)T\n' 1557978599) |
| 635 | |
| 636 | if ! test "$localtime" = "$tz"; then |
| 637 | echo 'not equal' |
| 638 | fi |
| 639 | |
| 640 | ## STDOUT: |
| 641 | not equal |
| 642 | ## END |
| 643 | ## N-I mksh/zsh/ash/dash stdout-json: "" |
| 644 | |
| 645 | #### %10.5(strftime format)T |
| 646 | # The result depends on timezone |
| 647 | export TZ=Asia/Tokyo |
| 648 | printf '[%10.5(%Y-%m-%d)T]\n' 1557978599 |
| 649 | export TZ=US/Eastern |
| 650 | printf '[%10.5(%Y-%m-%d)T]\n' 1557978599 |
| 651 | echo status=$? |
| 652 | ## STDOUT: |
| 653 | [ 2019-] |
| 654 | [ 2019-] |
| 655 | status=0 |
| 656 | ## END |
| 657 | ## N-I dash/mksh/zsh/ash STDOUT: |
| 658 | [[status=1 |
| 659 | ## END |
| 660 | ## N-I dash STDOUT: |
| 661 | [[status=2 |
| 662 | ## END |