1 | ## oils_failures_allowed: 2
|
2 | ## compare_shells: bash mksh zsh ash
|
3 |
|
4 | #### read line from here doc
|
5 |
|
6 | # NOTE: there are TABS below
|
7 | read x <<EOF
|
8 | A B C D E
|
9 | FG
|
10 | EOF
|
11 | echo "[$x]"
|
12 | ## stdout: [A B C D E]
|
13 | ## status: 0
|
14 |
|
15 | #### read from empty file
|
16 | echo -n '' > $TMP/empty.txt
|
17 | read x < $TMP/empty.txt
|
18 | argv.py "status=$?" "$x"
|
19 |
|
20 | # No variable name, behaves the same
|
21 | read < $TMP/empty.txt
|
22 | argv.py "status=$?" "$REPLY"
|
23 |
|
24 | ## STDOUT:
|
25 | ['status=1', '']
|
26 | ['status=1', '']
|
27 | ## END
|
28 | ## OK dash STDOUT:
|
29 | ['status=1', '']
|
30 | ['status=2', '']
|
31 | ## END
|
32 | ## status: 0
|
33 |
|
34 | #### read /dev/null
|
35 | read -n 1 </dev/null
|
36 | echo $?
|
37 | ## STDOUT:
|
38 | 1
|
39 | ## END
|
40 | ## OK dash stdout: 2
|
41 |
|
42 | #### read with zero args
|
43 | echo | read
|
44 | echo status=$?
|
45 | ## STDOUT:
|
46 | status=0
|
47 | ## END
|
48 | ## BUG dash STDOUT:
|
49 | status=2
|
50 | ## END
|
51 |
|
52 | #### read builtin with no newline returns status 1
|
53 |
|
54 | # This is odd because the variable is populated successfully. OSH/YSH might
|
55 | # need a separate put reading feature that doesn't use IFS.
|
56 |
|
57 | echo -n ZZZ | { read x; echo status=$?; echo $x; }
|
58 |
|
59 | ## STDOUT:
|
60 | status=1
|
61 | ZZZ
|
62 | ## END
|
63 | ## status: 0
|
64 |
|
65 | #### read builtin splits value across multiple vars
|
66 | # NOTE: there are TABS below
|
67 | read x y z <<EOF
|
68 | A B C D E
|
69 | FG
|
70 | EOF
|
71 | echo "[$x/$y/$z]"
|
72 | ## stdout: [A/B/C D E]
|
73 | ## status: 0
|
74 |
|
75 | #### read builtin with too few variables
|
76 | set -o errexit
|
77 | set -o nounset # hm this doesn't change it
|
78 | read x y z <<EOF
|
79 | A B
|
80 | EOF
|
81 | echo /$x/$y/$z/
|
82 | ## stdout: /A/B//
|
83 | ## status: 0
|
84 |
|
85 | #### read -n (with $REPLY)
|
86 | echo 12345 > $TMP/readn.txt
|
87 | read -n 4 x < $TMP/readn.txt
|
88 | read -n 2 < $TMP/readn.txt # Do it again with no variable
|
89 | argv.py $x $REPLY
|
90 | ## stdout: ['1234', '12']
|
91 | ## N-I dash/zsh stdout: []
|
92 |
|
93 | #### IFS= read -n (OSH regression: value saved in tempenv)
|
94 | echo XYZ > "$TMP/readn.txt"
|
95 | IFS= TMOUT= read -n 1 char < "$TMP/readn.txt"
|
96 | argv.py "$char"
|
97 | ## stdout: ['X']
|
98 | ## N-I dash/zsh stdout: ['']
|
99 |
|
100 | #### read -n doesn't strip whitespace (bug fix)
|
101 | case $SH in dash|zsh) exit ;; esac
|
102 |
|
103 | echo ' a b ' | (read -n 4; echo "[$REPLY]")
|
104 | echo ' a b ' | (read -n 5; echo "[$REPLY]")
|
105 | echo ' a b ' | (read -n 6; echo "[$REPLY]")
|
106 | echo
|
107 |
|
108 | echo 'one var strips whitespace'
|
109 | echo ' a b ' | (read -n 4 myvar; echo "[$myvar]")
|
110 | echo ' a b ' | (read -n 5 myvar; echo "[$myvar]")
|
111 | echo ' a b ' | (read -n 6 myvar; echo "[$myvar]")
|
112 | echo
|
113 |
|
114 | echo 'three vars'
|
115 | echo ' a b ' | (read -n 4 x y z; echo "[$x] [$y] [$z]")
|
116 | echo ' a b ' | (read -n 5 x y z; echo "[$x] [$y] [$z]")
|
117 | echo ' a b ' | (read -n 6 x y z; echo "[$x] [$y] [$z]")
|
118 |
|
119 | ## STDOUT:
|
120 | [ a ]
|
121 | [ a b]
|
122 | [ a b ]
|
123 |
|
124 | one var strips whitespace
|
125 | [a]
|
126 | [a b]
|
127 | [a b]
|
128 |
|
129 | three vars
|
130 | [a] [] []
|
131 | [a] [b] []
|
132 | [a] [b] []
|
133 | ## END
|
134 |
|
135 | ## N-I dash/zsh STDOUT:
|
136 | ## END
|
137 |
|
138 | ## BUG mksh STDOUT:
|
139 | [a]
|
140 | [a b]
|
141 | [a b]
|
142 |
|
143 | one var strips whitespace
|
144 | [a]
|
145 | [a b]
|
146 | [a b]
|
147 |
|
148 | three vars
|
149 | [a] [] []
|
150 | [a] [b] []
|
151 | [a] [b] []
|
152 | ## END
|
153 |
|
154 | #### read -d -n - respects delimiter and splits
|
155 |
|
156 | case $SH in dash|zsh|ash) exit ;; esac
|
157 |
|
158 | echo 'delim c'
|
159 | echo ' a b c ' | (read -d 'c' -n 3; echo "[$REPLY]")
|
160 | echo ' a b c ' | (read -d 'c' -n 4; echo "[$REPLY]")
|
161 | echo ' a b c ' | (read -d 'c' -n 5; echo "[$REPLY]")
|
162 | echo
|
163 |
|
164 | echo 'one var'
|
165 | echo ' a b c ' | (read -d 'c' -n 3 myvar; echo "[$myvar]")
|
166 | echo ' a b c ' | (read -d 'c' -n 4 myvar; echo "[$myvar]")
|
167 | echo ' a b c ' | (read -d 'c' -n 5 myvar; echo "[$myvar]")
|
168 | echo
|
169 |
|
170 | echo 'three vars'
|
171 | echo ' a b c ' | (read -d 'c' -n 3 x y z; echo "[$x] [$y] [$z]")
|
172 | echo ' a b c ' | (read -d 'c' -n 4 x y z; echo "[$x] [$y] [$z]")
|
173 | echo ' a b c ' | (read -d 'c' -n 5 x y z; echo "[$x] [$y] [$z]")
|
174 |
|
175 | ## STDOUT:
|
176 | delim c
|
177 | [ a]
|
178 | [ a ]
|
179 | [ a b]
|
180 |
|
181 | one var
|
182 | [a]
|
183 | [a]
|
184 | [a b]
|
185 |
|
186 | three vars
|
187 | [a] [] []
|
188 | [a] [] []
|
189 | [a] [b] []
|
190 | ## END
|
191 |
|
192 | ## N-I dash/zsh/ash STDOUT:
|
193 | ## END
|
194 |
|
195 | ## BUG mksh STDOUT:
|
196 | delim c
|
197 | [a]
|
198 | [a]
|
199 | [a b]
|
200 |
|
201 | one var
|
202 | [a]
|
203 | [a]
|
204 | [a b]
|
205 |
|
206 | three vars
|
207 | [a] [] []
|
208 | [a] [] []
|
209 | [a] [b] []
|
210 | ## END
|
211 |
|
212 |
|
213 | #### read -n with invalid arg
|
214 | read -n not_a_number
|
215 | echo status=$?
|
216 | ## stdout: status=2
|
217 | ## OK bash stdout: status=1
|
218 | ## N-I zsh stdout-json: ""
|
219 |
|
220 | #### read -n from pipe
|
221 | case $SH in (dash|ash|zsh) exit ;; esac
|
222 |
|
223 | echo abcxyz | { read -n 3; echo reply=$REPLY; }
|
224 | ## status: 0
|
225 | ## stdout: reply=abc
|
226 | ## N-I dash/ash stdout-json: ""
|
227 |
|
228 | # zsh appears to hang with -k
|
229 | ## N-I zsh stdout-json: ""
|
230 |
|
231 | #### read without args uses $REPLY, no splitting occurs (without -n)
|
232 |
|
233 | # mksh and zsh implement splitting with $REPLY, bash/ash don't
|
234 |
|
235 | echo ' a b ' | (read; echo "[$REPLY]")
|
236 | echo ' a b ' | (read myvar; echo "[$myvar]")
|
237 |
|
238 | echo ' a b \
|
239 | line2' | (read; echo "[$REPLY]")
|
240 | echo ' a b \
|
241 | line2' | (read myvar; echo "[$myvar]")
|
242 |
|
243 | # Now test with -r
|
244 | echo ' a b \
|
245 | line2' | (read -r; echo "[$REPLY]")
|
246 | echo ' a b \
|
247 | line2' | (read -r myvar; echo "[$myvar]")
|
248 |
|
249 | ## STDOUT:
|
250 | [ a b ]
|
251 | [a b]
|
252 | [ a b line2]
|
253 | [a b line2]
|
254 | [ a b \]
|
255 | [a b \]
|
256 | ## END
|
257 | ## BUG mksh/zsh STDOUT:
|
258 | [a b]
|
259 | [a b]
|
260 | [a b line2]
|
261 | [a b line2]
|
262 | [a b \]
|
263 | [a b \]
|
264 | ## END
|
265 | ## BUG dash STDOUT:
|
266 | []
|
267 | [a b ]
|
268 | []
|
269 | [a b line2]
|
270 | []
|
271 | [a b \]
|
272 | ## END
|
273 |
|
274 | #### read -n vs. -N
|
275 | # dash, ash and zsh do not implement read -N
|
276 | # mksh treats -N exactly the same as -n
|
277 | case $SH in (dash|ash|zsh) exit ;; esac
|
278 |
|
279 | # bash docs: https://www.gnu.org/software/bash/manual/html_node/Bash-Builtins.html
|
280 |
|
281 | echo 'a b c' > $TMP/readn.txt
|
282 |
|
283 | echo 'read -n'
|
284 | read -n 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
|
285 | read -n 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
|
286 | echo
|
287 |
|
288 | echo 'read -N'
|
289 | read -N 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
|
290 | read -N 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
|
291 | ## STDOUT:
|
292 | read -n
|
293 | 'a' 'b' 'c'
|
294 | 'a' 'b' ''
|
295 |
|
296 | read -N
|
297 | 'a b c' '' ''
|
298 | 'a b ' '' ''
|
299 | ## END
|
300 | ## N-I dash/ash/zsh stdout-json: ""
|
301 | ## BUG mksh STDOUT:
|
302 | read -n
|
303 | 'a' 'b' 'c'
|
304 | 'a' 'b' ''
|
305 |
|
306 | read -N
|
307 | 'a' 'b' 'c'
|
308 | 'a' 'b' ''
|
309 | ## END
|
310 |
|
311 | #### read -N ignores delimiters
|
312 | case $SH in (dash|ash|zsh) exit ;; esac
|
313 |
|
314 | echo $'a\nb\nc' > $TMP/read-lines.txt
|
315 |
|
316 | read -N 3 out < $TMP/read-lines.txt
|
317 | echo "$out"
|
318 | ## STDOUT:
|
319 | a
|
320 | b
|
321 | ## END
|
322 | ## N-I dash/ash/zsh stdout-json: ""
|
323 |
|
324 | #### read will unset extranous vars
|
325 |
|
326 | echo 'a b' > $TMP/read-few.txt
|
327 |
|
328 | c='some value'
|
329 | read a b c < $TMP/read-few.txt
|
330 | echo "'$a' '$b' '$c'"
|
331 |
|
332 | case $SH in (dash) exit ;; esac # dash does not implement -n
|
333 |
|
334 | c='some value'
|
335 | read -n 3 a b c < $TMP/read-few.txt
|
336 | echo "'$a' '$b' '$c'"
|
337 | ## STDOUT:
|
338 | 'a' 'b' ''
|
339 | 'a' 'b' ''
|
340 | ## END
|
341 | ## N-I dash STDOUT:
|
342 | 'a' 'b' ''
|
343 | ## END
|
344 | ## BUG zsh STDOUT:
|
345 | 'a' 'b' ''
|
346 | 'b' '' ''
|
347 | ## END
|
348 |
|
349 | #### read -r ignores backslashes
|
350 | echo 'one\ two' > $TMP/readr.txt
|
351 | read escaped < $TMP/readr.txt
|
352 | read -r raw < $TMP/readr.txt
|
353 | argv.py "$escaped" "$raw"
|
354 | ## stdout: ['one two', 'one\\ two']
|
355 |
|
356 | #### read -r with other backslash escapes
|
357 | echo 'one\ two\x65three' > $TMP/readr.txt
|
358 | read escaped < $TMP/readr.txt
|
359 | read -r raw < $TMP/readr.txt
|
360 | argv.py "$escaped" "$raw"
|
361 | # mksh respects the hex escapes here, but other shells don't!
|
362 | ## stdout: ['one twox65three', 'one\\ two\\x65three']
|
363 | ## BUG mksh/zsh stdout: ['one twoethree', 'one\\ twoethree']
|
364 |
|
365 | #### read with line continuation reads multiple physical lines
|
366 | # NOTE: osh failing because of file descriptor issue. stdin has to be closed!
|
367 | tmp=$TMP/$(basename $SH)-readr.txt
|
368 | echo -e 'one\\\ntwo\n' > $tmp
|
369 | read escaped < $tmp
|
370 | read -r raw < $tmp
|
371 | argv.py "$escaped" "$raw"
|
372 | ## stdout: ['onetwo', 'one\\']
|
373 | ## N-I dash stdout: ['-e onetwo', '-e one\\']
|
374 |
|
375 | #### read multiple vars spanning many lines
|
376 | read x y << 'EOF'
|
377 | one-\
|
378 | two three-\
|
379 | four five-\
|
380 | six
|
381 | EOF
|
382 | argv.py "$x" "$y" "$z"
|
383 | ## stdout: ['one-two', 'three-four five-six', '']
|
384 |
|
385 | #### read -r with \n
|
386 | echo '\nline' > $TMP/readr.txt
|
387 | read escaped < $TMP/readr.txt
|
388 | read -r raw < $TMP/readr.txt
|
389 | argv.py "$escaped" "$raw"
|
390 | # dash/mksh/zsh are bugs because at least the raw mode should let you read a
|
391 | # literal \n.
|
392 | ## stdout: ['nline', '\\nline']
|
393 | ## BUG dash/mksh/zsh stdout: ['', '']
|
394 |
|
395 | #### read -s from pipe, not a terminal
|
396 | case $SH in (dash|zsh) exit ;; esac
|
397 |
|
398 | # It's hard to really test this because it requires a terminal. We hit a
|
399 | # different code path when reading through a pipe. There can be bugs there
|
400 | # too!
|
401 |
|
402 | echo foo | { read -s; echo $REPLY; }
|
403 | echo bar | { read -n 2 -s; echo $REPLY; }
|
404 |
|
405 | # Hm no exit 1 here? Weird
|
406 | echo b | { read -n 2 -s; echo $?; echo $REPLY; }
|
407 | ## STDOUT:
|
408 | foo
|
409 | ba
|
410 | 0
|
411 | b
|
412 | ## END
|
413 | ## N-I dash/zsh stdout-json: ""
|
414 |
|
415 | #### read with IFS=$'\n'
|
416 | # The leading spaces are stripped if they appear in IFS.
|
417 | IFS=$(echo -e '\n')
|
418 | read var <<EOF
|
419 | a b c
|
420 | d e f
|
421 | EOF
|
422 | echo "[$var]"
|
423 | ## stdout: [ a b c]
|
424 | ## N-I dash stdout: [a b c]
|
425 |
|
426 | #### read multiple lines with IFS=:
|
427 | # The leading spaces are stripped if they appear in IFS.
|
428 | # IFS chars are escaped with :.
|
429 | tmp=$TMP/$(basename $SH)-read-ifs.txt
|
430 | IFS=:
|
431 | cat >$tmp <<'EOF'
|
432 | \\a :b\: c:d\
|
433 | e
|
434 | EOF
|
435 | read a b c d < $tmp
|
436 | # Use printf because echo in dash/mksh interprets escapes, while it doesn't in
|
437 | # bash.
|
438 | printf "%s\n" "[$a|$b|$c|$d]"
|
439 | ## stdout: [ \a |b: c|d e|]
|
440 |
|
441 | #### read with IFS=''
|
442 | IFS=''
|
443 | read x y <<EOF
|
444 | a b c d
|
445 | EOF
|
446 | echo "[$x|$y]"
|
447 | ## stdout: [ a b c d|]
|
448 |
|
449 | #### read does not respect C backslash escapes
|
450 |
|
451 | # bash doesn't respect these, but other shells do. Gah! I think bash
|
452 | # behavior makes more sense. It only escapes IFS.
|
453 | echo '\a \b \c \d \e \f \g \h \x65 \145 \i' > $TMP/read-c.txt
|
454 | read line < $TMP/read-c.txt
|
455 | echo $line
|
456 | ## STDOUT:
|
457 | a b c d e f g h x65 145 i
|
458 | ## END
|
459 | ## BUG ash STDOUT:
|
460 | abcdefghx65 145 i
|
461 | ## END
|
462 | ## BUG dash/zsh stdout-json: "\u0007 \u0008\n"
|
463 | ## BUG mksh stdout-json: "\u0007 \u0008 d \u001b \u000c g h e 145 i\n"
|
464 |
|
465 | #### dynamic scope used to set vars
|
466 | f() {
|
467 | read head << EOF
|
468 | ref: refs/heads/dev/andy
|
469 | EOF
|
470 | }
|
471 | f
|
472 | echo $head
|
473 | ## STDOUT:
|
474 | ref: refs/heads/dev/andy
|
475 | ## END
|
476 |
|
477 | #### read -a reads into array
|
478 |
|
479 | # read -a is used in bash-completion
|
480 | # none of these shells implement it
|
481 | case $SH in
|
482 | *mksh|*dash|*zsh|*/ash)
|
483 | exit 2;
|
484 | ;;
|
485 | esac
|
486 |
|
487 | read -a myarray <<'EOF'
|
488 | a b c\ d
|
489 | EOF
|
490 | argv.py "${myarray[@]}"
|
491 |
|
492 | # arguments are ignored here
|
493 | read -r -a array2 extra arguments <<'EOF'
|
494 | a b c\ d
|
495 | EOF
|
496 | argv.py "${array2[@]}"
|
497 | argv.py "${extra[@]}"
|
498 | argv.py "${arguments[@]}"
|
499 | ## status: 0
|
500 | ## STDOUT:
|
501 | ['a', 'b', 'c d']
|
502 | ['a', 'b', 'c\\', 'd']
|
503 | []
|
504 | []
|
505 | ## END
|
506 | ## N-I dash/mksh/zsh/ash status: 2
|
507 | ## N-I dash/mksh/zsh/ash stdout-json: ""
|
508 |
|
509 | #### read -d : (colon-separated records)
|
510 | printf a,b,c:d,e,f:g,h,i | {
|
511 | IFS=,
|
512 | read -d : v1
|
513 | echo "v1=$v1"
|
514 | read -d : v1 v2
|
515 | echo "v1=$v1 v2=$v2"
|
516 | read -d : v1 v2 v3
|
517 | echo "v1=$v1 v2=$v2 v3=$v3"
|
518 | }
|
519 | ## STDOUT:
|
520 | v1=a,b,c
|
521 | v1=d v2=e,f
|
522 | v1=g v2=h v3=i
|
523 | ## END
|
524 | ## N-I dash STDOUT:
|
525 | v1=
|
526 | v1= v2=
|
527 | v1= v2= v3=
|
528 | ## END
|
529 |
|
530 | #### read -d '' (null-separated records)
|
531 | printf 'a,b,c\0d,e,f\0g,h,i' | {
|
532 | IFS=,
|
533 | read -d '' v1
|
534 | echo "v1=$v1"
|
535 | read -d '' v1 v2
|
536 | echo "v1=$v1 v2=$v2"
|
537 | read -d '' v1 v2 v3
|
538 | echo "v1=$v1 v2=$v2 v3=$v3"
|
539 | }
|
540 | ## STDOUT:
|
541 | v1=a,b,c
|
542 | v1=d v2=e,f
|
543 | v1=g v2=h v3=i
|
544 | ## END
|
545 | ## N-I dash STDOUT:
|
546 | v1=
|
547 | v1= v2=
|
548 | v1= v2= v3=
|
549 | ## END
|
550 |
|
551 | #### read -rd
|
552 | read -rd '' var <<EOF
|
553 | foo
|
554 | bar
|
555 | EOF
|
556 | echo "$var"
|
557 | ## STDOUT:
|
558 | foo
|
559 | bar
|
560 | ## END
|
561 | ## N-I dash STDOUT:
|
562 |
|
563 | ## END
|
564 |
|
565 | #### read -d when there's no delimiter
|
566 | { read -d : part
|
567 | echo $part $?
|
568 | read -d : part
|
569 | echo $part $?
|
570 | } <<EOF
|
571 | foo:bar
|
572 | EOF
|
573 | ## STDOUT:
|
574 | foo 0
|
575 | bar 1
|
576 | ## END
|
577 | ## N-I dash STDOUT:
|
578 | 2
|
579 | 2
|
580 | ## END
|
581 |
|
582 | #### read -t 0 tests if input is available
|
583 | case $SH in (dash|zsh|mksh) exit ;; esac
|
584 |
|
585 | # is there input available?
|
586 | read -t 0 < /dev/null
|
587 | echo $?
|
588 |
|
589 | # floating point
|
590 | read -t 0.0 < /dev/null
|
591 | echo $?
|
592 |
|
593 | # floating point
|
594 | echo foo | { read -t 0; echo reply=$REPLY; }
|
595 | echo $?
|
596 |
|
597 | ## STDOUT:
|
598 | 0
|
599 | 0
|
600 | reply=
|
601 | 0
|
602 | ## END
|
603 | ## N-I dash/zsh/mksh stdout-json: ""
|
604 |
|
605 | #### read -t 0.5
|
606 | case $SH in (dash) exit ;; esac
|
607 |
|
608 | read -t 0.5 < /dev/null
|
609 | echo $?
|
610 |
|
611 | ## STDOUT:
|
612 | 1
|
613 | ## END
|
614 | ## BUG zsh/mksh STDOUT:
|
615 | 1
|
616 | ## END
|
617 | ## N-I dash stdout-json: ""
|
618 |
|
619 | #### read -t -0.5 is invalid
|
620 | # bash appears to just take the absolute value?
|
621 |
|
622 | read -t -0.5 < /dev/null
|
623 | echo $?
|
624 |
|
625 | ## STDOUT:
|
626 | 2
|
627 | ## END
|
628 | ## BUG bash STDOUT:
|
629 | 1
|
630 | ## END
|
631 | ## BUG zsh stdout-json: ""
|
632 | ## BUG zsh status: 1
|
633 |
|
634 | #### read -u
|
635 | case $SH in (dash|mksh) exit ;; esac
|
636 |
|
637 | # file descriptor
|
638 | read -u 3 3<<EOF
|
639 | hi
|
640 | EOF
|
641 | echo reply=$REPLY
|
642 | ## STDOUT:
|
643 | reply=hi
|
644 | ## END
|
645 | ## N-I dash/mksh stdout-json: ""
|
646 |
|
647 | #### read -u syntax error
|
648 | read -u -3
|
649 | echo status=$?
|
650 | ## STDOUT:
|
651 | status=2
|
652 | ## END
|
653 | ## OK bash/zsh STDOUT:
|
654 | status=1
|
655 | ## END
|
656 |
|
657 | #### read -N doesn't respect delimiter, while read -n does
|
658 | case $SH in (dash|zsh|ash) exit ;; esac
|
659 |
|
660 | echo foobar | { read -n 5 -d b; echo $REPLY; }
|
661 | echo foobar | { read -N 5 -d b; echo $REPLY; }
|
662 | ## STDOUT:
|
663 | foo
|
664 | fooba
|
665 | ## END
|
666 | ## OK mksh STDOUT:
|
667 | fooba
|
668 | fooba
|
669 | ## END
|
670 | ## N-I dash/zsh/ash stdout-json: ""
|
671 |
|
672 | #### read -p (not fully tested)
|
673 |
|
674 | # hm DISABLED if we're not going to the terminal
|
675 | # so we're only testing that it accepts the flag here
|
676 |
|
677 | case $SH in (dash|mksh|zsh) exit ;; esac
|
678 |
|
679 | echo hi | { read -p 'P'; echo $REPLY; }
|
680 | echo hi | { read -p 'P' -n 1; echo $REPLY; }
|
681 | ## STDOUT:
|
682 | hi
|
683 | h
|
684 | ## END
|
685 | ## stderr-json: ""
|
686 | ## N-I dash/mksh/zsh stdout-json: ""
|
687 |
|
688 | #### read usage
|
689 | read -n -1
|
690 | echo status=$?
|
691 | ## STDOUT:
|
692 | status=2
|
693 | ## END
|
694 | ## OK bash stdout: status=1
|
695 | ## BUG mksh stdout-json: ""
|
696 | # zsh gives a fatal error? seems inconsistent
|
697 | ## BUG zsh stdout-json: ""
|
698 | ## BUG zsh status: 1
|
699 |
|
700 | #### read with smooshed args
|
701 | echo hi | { read -rn1 var; echo var=$var; }
|
702 | ## STDOUT:
|
703 | var=h
|
704 | ## END
|
705 | ## N-I dash/zsh STDOUT:
|
706 | var=
|
707 | ## END
|
708 |
|
709 | #### read -r -d '' for NUL strings, e.g. find -print0
|
710 |
|
711 |
|
712 | case $SH in (dash|zsh|mksh) exit ;; esac # NOT IMPLEMENTED
|
713 |
|
714 | mkdir -p read0
|
715 | cd read0
|
716 | rm -f *
|
717 |
|
718 | touch a\\b\\c\\d # -r is necessary!
|
719 |
|
720 | find . -type f -a -print0 | { read -r -d ''; echo "[$REPLY]"; }
|
721 |
|
722 | ## STDOUT:
|
723 | [./a\b\c\d]
|
724 | ## END
|
725 | ## N-I dash/zsh/mksh STDOUT:
|
726 | ## END
|
727 |
|
728 |
|
729 | #### read from redirected directory is non-fatal error
|
730 |
|
731 | # This tickles an infinite loop bug in our version of mksh! TODO: upgrade the
|
732 | # version and enable this
|
733 | case $SH in (mksh) return ;; esac
|
734 |
|
735 | cd $TMP
|
736 | mkdir -p dir
|
737 | read x < ./dir
|
738 | echo status=$?
|
739 |
|
740 | ## STDOUT:
|
741 | status=1
|
742 | ## END
|
743 | # OK mksh stdout: status=2
|
744 | ## OK mksh stdout-json: ""
|
745 |
|
746 | #### read -n from directory
|
747 |
|
748 | case $SH in (dash|ash) return ;; esac # not implemented
|
749 |
|
750 | # same hanging bug
|
751 | case $SH in (mksh) return ;; esac
|
752 |
|
753 | mkdir -p dir
|
754 | read -n 3 x < ./dir
|
755 | echo status=$?
|
756 | ## STDOUT:
|
757 | status=1
|
758 | ## END
|
759 | ## OK mksh stdout-json: ""
|
760 | ## N-I dash/ash stdout-json: ""
|
761 |
|
762 | #### mapfile from directory (bash doesn't handle errors)
|
763 | case $SH in (dash|ash|mksh|zsh) return ;; esac # not implemented
|
764 |
|
765 | mkdir -p dir
|
766 | mapfile $x < ./dir
|
767 | echo status=$?
|
768 |
|
769 | ## STDOUT:
|
770 | status=1
|
771 | ## END
|
772 | ## BUG bash STDOUT:
|
773 | status=0
|
774 | ## END
|
775 | ## N-I dash/ash/mksh/zsh stdout-json: ""
|