1 ## oils_failures_allowed: 2
2 ## compare_shells: dash bash mksh zsh ash
3
4
5 # echo, read, mapfile
6 # TODO mapfile options: -c, -C, -u, etc.
7
8 #### echo dashes
9 echo -
10 echo --
11 echo ---
12 ## stdout-json: "-\n--\n---\n"
13 ## BUG zsh stdout-json: "\n--\n---\n"
14
15 #### echo backslashes
16 echo \\
17 echo '\'
18 echo '\\'
19 echo "\\"
20 ## STDOUT:
21 \
22 \
23 \\
24 \
25 ## BUG dash/mksh/zsh STDOUT:
26 \
27 \
28 \
29 \
30 ## END
31
32 #### echo -e backslashes
33 echo -e \\
34 echo -e '\'
35 echo -e '\\'
36 echo -e "\\"
37 echo
38
39 # backslash at end of line
40 echo -e '\
41 line2'
42 ## STDOUT:
43 \
44 \
45 \
46 \
47
48 \
49 line2
50 ## N-I dash STDOUT:
51 -e \
52 -e \
53 -e \
54 -e \
55
56 -e \
57 line2
58 ## END
59
60 #### echo builtin should disallow typed args - literal
61 echo (42)
62 ## status: 2
63 ## OK mksh/zsh status: 1
64 ## STDOUT:
65 ## END
66
67 #### echo builtin should disallow typed args - variable
68 var x = 43
69 echo (x)
70 ## status: 2
71 ## OK mksh/zsh status: 1
72 ## STDOUT:
73 ## END
74
75 #### echo -en
76 echo -en 'abc\ndef\n'
77 ## stdout-json: "abc\ndef\n"
78 ## N-I dash stdout-json: "-en abc\ndef\n\n"
79
80 #### echo -ez (invalid flag)
81 # bash differs from the other three shells, but its behavior is possibly more
82 # sensible, if you're going to ignore the error. It doesn't make sense for
83 # the 'e' to mean 2 different things simultaneously: flag and literal to be
84 # printed.
85 echo -ez 'abc\n'
86 ## stdout-json: "-ez abc\\n\n"
87 ## OK dash/mksh/zsh stdout-json: "-ez abc\n\n"
88
89 #### echo -e with embedded newline
90 flags='-e'
91 case $SH in dash) flags='' ;; esac
92
93 echo $flags 'foo
94 bar'
95 ## STDOUT:
96 foo
97 bar
98 ## END
99
100 #### echo -e line continuation
101 flags='-e'
102 case $SH in dash) flags='' ;; esac
103
104 echo $flags 'foo\
105 bar'
106 ## STDOUT:
107 foo\
108 bar
109 ## END
110
111 #### echo -e with C escapes
112 # https://www.gnu.org/software/bash/manual/bashref.html#Bourne-Shell-Builtins
113 # not sure why \c is like NUL?
114 # zsh doesn't allow \E for some reason.
115 echo -e '\a\b\d\e\f'
116 ## stdout-json: "\u0007\u0008\\d\u001b\u000c\n"
117 ## N-I dash stdout-json: "-e \u0007\u0008\\d\\e\u000c\n"
118
119 #### echo -e with whitespace C escapes
120 echo -e '\n\r\t\v'
121 ## stdout-json: "\n\r\t\u000b\n"
122 ## N-I dash stdout-json: "-e \n\r\t\u000b\n"
123
124 #### \0
125 echo -e 'ab\0cd'
126 ## stdout-json: "ab\u0000cd\n"
127 ## N-I dash stdout-json: "-e ab\u0000cd\n"
128
129 #### \c stops processing input
130 flags='-e'
131 case $SH in dash) flags='' ;; esac
132
133 echo $flags xy 'ab\cde' 'zzz'
134 ## stdout-json: "xy ab"
135 ## N-I mksh stdout-json: "xy abde zzz"
136
137 #### echo -e with hex escape
138 echo -e 'abcd\x65f'
139 ## stdout-json: "abcdef\n"
140 ## N-I dash stdout-json: "-e abcd\\x65f\n"
141
142 #### echo -e with octal escape
143 flags='-e'
144 case $SH in dash) flags='' ;; esac
145
146 echo $flags 'abcd\044e'
147 ## stdout-json: "abcd$e\n"
148
149 #### echo -e with 4 digit unicode escape
150 flags='-e'
151 case $SH in dash) flags='' ;; esac
152
153 echo $flags 'abcd\u0065f'
154 ## STDOUT:
155 abcdef
156 ## END
157 ## N-I dash/ash stdout-json: "abcd\\u0065f\n"
158
159 #### echo -e with 8 digit unicode escape
160 flags='-e'
161 case $SH in dash) flags='' ;; esac
162
163 echo $flags 'abcd\U00000065f'
164 ## STDOUT:
165 abcdef
166 ## END
167 ## N-I dash/ash stdout-json: "abcd\\U00000065f\n"
168
169 #### \0377 is the highest octal byte
170 echo -en '\03777' | od -A n -t x1 | sed 's/ \+/ /g'
171 ## stdout-json: " ff 37\n"
172 ## N-I dash stdout-json: " 2d 65 6e 20 ff 37 0a\n"
173
174 #### \0400 is one more than the highest octal byte
175 # It is 256 % 256 which gets interpreted as a NUL byte.
176 echo -en '\04000' | od -A n -t x1 | sed 's/ \+/ /g'
177 ## stdout-json: " 00 30\n"
178 ## BUG ash stdout-json: " 20 30 30\n"
179 ## N-I dash stdout-json: " 2d 65 6e 20 00 30 0a\n"
180
181 #### \0777 is out of range
182 flags='-en'
183 case $SH in dash) flags='-n' ;; esac
184
185 echo $flags '\0777' | od -A n -t x1 | sed 's/ \+/ /g'
186 ## stdout-json: " ff\n"
187 ## BUG mksh stdout-json: " c3 bf\n"
188 ## BUG ash stdout-json: " 3f 37\n"
189
190 #### incomplete hex escape
191 echo -en 'abcd\x6' | od -A n -c | sed 's/ \+/ /g'
192 ## stdout-json: " a b c d 006\n"
193 ## N-I dash stdout-json: " - e n a b c d \\ x 6 \\n\n"
194
195 #### \x
196 # I consider mksh and zsh a bug because \x is not an escape
197 echo -e '\x' '\xg' | od -A n -c | sed 's/ \+/ /g'
198 ## stdout-json: " \\ x \\ x g \\n\n"
199 ## N-I dash stdout-json: " - e \\ x \\ x g \\n\n"
200 ## BUG mksh/zsh stdout-json: " \\0 \\0 g \\n\n"
201
202 #### incomplete octal escape
203 flags='-en'
204 case $SH in dash) flags='-n' ;; esac
205
206 echo $flags 'abcd\04' | od -A n -c | sed 's/ \+/ /g'
207 ## stdout-json: " a b c d 004\n"
208
209 #### incomplete unicode escape
210 echo -en 'abcd\u006' | od -A n -c | sed 's/ \+/ /g'
211 ## stdout-json: " a b c d 006\n"
212 ## N-I dash stdout-json: " - e n a b c d \\ u 0 0 6 \\n\n"
213 ## BUG ash stdout-json: " a b c d \\ u 0 0 6\n"
214
215 #### \u6
216 flags='-en'
217 case $SH in dash) flags='-n' ;; esac
218
219 echo $flags '\u6' | od -A n -c | sed 's/ \+/ /g'
220 ## stdout-json: " 006\n"
221 ## N-I dash/ash stdout-json: " \\ u 6\n"
222
223 #### \0 \1 \8
224 # \0 is special, but \1 isn't in bash
225 # \1 is special in dash! geez
226 flags='-en'
227 case $SH in dash) flags='-n' ;; esac
228
229 echo $flags '\0' '\1' '\8' | od -A n -c | sed 's/ \+/ /g'
230 ## stdout-json: " \\0 \\ 1 \\ 8\n"
231 ## BUG dash/ash stdout-json: " \\0 001 \\ 8\n"
232
233 #### Read builtin
234 # NOTE: there are TABS below
235 read x <<EOF
236 A B C D E
237 FG
238 EOF
239 echo "[$x]"
240 ## stdout: [A B C D E]
241 ## status: 0
242
243 #### Read from empty file
244 echo -n '' > $TMP/empty.txt
245 read x < $TMP/empty.txt
246 argv.py "status=$?" "$x"
247
248 # No variable name, behaves the same
249 read < $TMP/empty.txt
250 argv.py "status=$?" "$REPLY"
251
252 ## STDOUT:
253 ['status=1', '']
254 ['status=1', '']
255 ## END
256 ## OK dash STDOUT:
257 ['status=1', '']
258 ['status=2', '']
259 ## END
260 ## status: 0
261
262 #### read /dev/null
263 read -n 1 </dev/null
264 echo $?
265 ## STDOUT:
266 1
267 ## END
268 ## OK dash stdout: 2
269
270 #### read with zero args
271 echo | read
272 echo status=$?
273 ## STDOUT:
274 status=0
275 ## END
276 ## BUG dash STDOUT:
277 status=2
278 ## END
279
280 #### Read builtin with no newline.
281 # This is odd because the variable is populated successfully. OSH/Oil might
282 # need a separate put reading feature that doesn't use IFS.
283 echo -n ZZZ | { read x; echo $?; echo $x; }
284 ## stdout-json: "1\nZZZ\n"
285 ## status: 0
286
287 #### Read builtin with multiple variables
288 # NOTE: there are TABS below
289 read x y z <<EOF
290 A B C D E
291 FG
292 EOF
293 echo "[$x/$y/$z]"
294 ## stdout: [A/B/C D E]
295 ## status: 0
296
297 #### Read builtin with not enough variables
298 set -o errexit
299 set -o nounset # hm this doesn't change it
300 read x y z <<EOF
301 A B
302 EOF
303 echo /$x/$y/$z/
304 ## stdout: /A/B//
305 ## status: 0
306
307 #### Read -n (with $REPLY)
308 echo 12345 > $TMP/readn.txt
309 read -n 4 x < $TMP/readn.txt
310 read -n 2 < $TMP/readn.txt # Do it again with no variable
311 argv.py $x $REPLY
312 ## stdout: ['1234', '12']
313 ## N-I dash/zsh stdout: []
314
315 #### IFS= read -n (OSH regression: value saved in tempenv)
316 echo XYZ > "$TMP/readn.txt"
317 IFS= TMOUT= read -n 1 char < "$TMP/readn.txt"
318 argv.py "$char"
319 ## stdout: ['X']
320 ## N-I dash/zsh stdout: ['']
321
322 #### read -n with invalid arg
323 read -n not_a_number
324 echo status=$?
325 ## stdout: status=2
326 ## OK bash stdout: status=1
327 ## N-I zsh stdout-json: ""
328
329 #### read -n from pipe
330 case $SH in (dash|ash|zsh) exit ;; esac
331
332 echo abcxyz | { read -n 3; echo reply=$REPLY; }
333 ## status: 0
334 ## stdout: reply=abc
335 ## N-I dash/ash/zsh stdout-json: ""
336
337 # zsh appears to hang with -k
338 ## N-I zsh stdout-json: ""
339
340 #### Read uses $REPLY (without -n)
341 echo 123 > $TMP/readreply.txt
342 read < $TMP/readreply.txt
343 echo $REPLY
344 ## stdout: 123
345 ## N-I dash stdout:
346
347 #### read -n vs. -N
348 # dash, ash and zsh do not implement read -N
349 # mksh treats -N exactly the same as -n
350 case $SH in (dash|ash|zsh) exit ;; esac
351
352 # bash docs: https://www.gnu.org/software/bash/manual/html_node/Bash-Builtins.html
353
354 echo 'a b c' > $TMP/readn.txt
355
356 echo 'read -n'
357 read -n 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
358 read -n 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
359 echo
360
361 echo 'read -N'
362 read -N 5 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
363 read -N 4 A B C < $TMP/readn.txt; echo "'$A' '$B' '$C'"
364 ## STDOUT:
365 read -n
366 'a' 'b' 'c'
367 'a' 'b' ''
368
369 read -N
370 'a b c' '' ''
371 'a b ' '' ''
372 ## END
373 ## N-I dash/ash/zsh stdout-json: ""
374 ## BUG mksh STDOUT:
375 read -n
376 'a' 'b' 'c'
377 'a' 'b' ''
378
379 read -N
380 'a' 'b' 'c'
381 'a' 'b' ''
382 ## END
383
384 #### read -N ignores delimiters
385 case $SH in (dash|ash|zsh) exit ;; esac
386
387 echo $'a\nb\nc' > $TMP/read-lines.txt
388
389 read -N 3 out < $TMP/read-lines.txt
390 echo "$out"
391 ## STDOUT:
392 a
393 b
394 ## END
395 ## N-I dash/ash/zsh stdout-json: ""
396
397 #### read will unset extranous vars
398
399 echo 'a b' > $TMP/read-few.txt
400
401 c='some value'
402 read a b c < $TMP/read-few.txt
403 echo "'$a' '$b' '$c'"
404
405 case $SH in (dash) exit ;; esac # dash does not implement -n
406
407 c='some value'
408 read -n 3 a b c < $TMP/read-few.txt
409 echo "'$a' '$b' '$c'"
410 ## STDOUT:
411 'a' 'b' ''
412 'a' 'b' ''
413 ## END
414 ## N-I dash STDOUT:
415 'a' 'b' ''
416 ## END
417 ## BUG zsh STDOUT:
418 'a' 'b' ''
419 'b' '' ''
420 ## END
421
422 #### read -r ignores backslashes
423 echo 'one\ two' > $TMP/readr.txt
424 read escaped < $TMP/readr.txt
425 read -r raw < $TMP/readr.txt
426 argv.py "$escaped" "$raw"
427 ## stdout: ['one two', 'one\\ two']
428
429 #### read -r with other backslash escapes
430 echo 'one\ two\x65three' > $TMP/readr.txt
431 read escaped < $TMP/readr.txt
432 read -r raw < $TMP/readr.txt
433 argv.py "$escaped" "$raw"
434 # mksh respects the hex escapes here, but other shells don't!
435 ## stdout: ['one twox65three', 'one\\ two\\x65three']
436 ## BUG mksh/zsh stdout: ['one twoethree', 'one\\ twoethree']
437
438 #### read with line continuation reads multiple physical lines
439 # NOTE: osh failing because of file descriptor issue. stdin has to be closed!
440 tmp=$TMP/$(basename $SH)-readr.txt
441 echo -e 'one\\\ntwo\n' > $tmp
442 read escaped < $tmp
443 read -r raw < $tmp
444 argv.py "$escaped" "$raw"
445 ## stdout: ['onetwo', 'one\\']
446 ## N-I dash stdout: ['-e onetwo', '-e one\\']
447
448 #### read multiple vars spanning many lines
449 read x y << 'EOF'
450 one-\
451 two three-\
452 four five-\
453 six
454 EOF
455 argv.py "$x" "$y" "$z"
456 ## stdout: ['one-two', 'three-four five-six', '']
457
458 #### read -r with \n
459 echo '\nline' > $TMP/readr.txt
460 read escaped < $TMP/readr.txt
461 read -r raw < $TMP/readr.txt
462 argv.py "$escaped" "$raw"
463 # dash/mksh/zsh are bugs because at least the raw mode should let you read a
464 # literal \n.
465 ## stdout: ['nline', '\\nline']
466 ## BUG dash/mksh/zsh stdout: ['', '']
467
468 #### read -s from pipe, not a terminal
469 case $SH in (dash|zsh) exit ;; esac
470
471 # It's hard to really test this because it requires a terminal. We hit a
472 # different code path when reading through a pipe. There can be bugs there
473 # too!
474
475 echo foo | { read -s; echo $REPLY; }
476 echo bar | { read -n 2 -s; echo $REPLY; }
477
478 # Hm no exit 1 here? Weird
479 echo b | { read -n 2 -s; echo $?; echo $REPLY; }
480 ## STDOUT:
481 foo
482 ba
483 0
484 b
485 ## END
486 ## N-I dash/zsh stdout-json: ""
487
488 #### Read with IFS=$'\n'
489 # The leading spaces are stripped if they appear in IFS.
490 IFS=$(echo -e '\n')
491 read var <<EOF
492 a b c
493 d e f
494 EOF
495 echo "[$var]"
496 ## stdout: [ a b c]
497 ## N-I dash stdout: [a b c]
498
499 #### Read multiple lines with IFS=:
500 # The leading spaces are stripped if they appear in IFS.
501 # IFS chars are escaped with :.
502 tmp=$TMP/$(basename $SH)-read-ifs.txt
503 IFS=:
504 cat >$tmp <<'EOF'
505 \\a :b\: c:d\
506 e
507 EOF
508 read a b c d < $tmp
509 # Use printf because echo in dash/mksh interprets escapes, while it doesn't in
510 # bash.
511 printf "%s\n" "[$a|$b|$c|$d]"
512 ## stdout: [ \a |b: c|d e|]
513
514 #### Read with IFS=''
515 IFS=''
516 read x y <<EOF
517 a b c d
518 EOF
519 echo "[$x|$y]"
520 ## stdout: [ a b c d|]
521
522 #### Read should not respect C escapes.
523 # bash doesn't respect these, but other shells do. Gah! I think bash
524 # behavior makes more sense. It only escapes IFS.
525 echo '\a \b \c \d \e \f \g \h \x65 \145 \i' > $TMP/read-c.txt
526 read line < $TMP/read-c.txt
527 echo $line
528 ## stdout-json: "a b c d e f g h x65 145 i\n"
529 ## BUG ash stdout-json: "abcdefghx65 145 i\n"
530 ## BUG dash/zsh stdout-json: "\u0007 \u0008\n"
531 ## BUG mksh stdout-json: "\u0007 \u0008 d \u001b \u000c g h e 145 i\n"
532
533 #### Read builtin uses dynamic scope
534 f() {
535 read head << EOF
536 ref: refs/heads/dev/andy
537 EOF
538 }
539 f
540 echo $head
541 ## STDOUT:
542 ref: refs/heads/dev/andy
543 ## END
544
545 #### read -a reads into array
546
547 # read -a is used in bash-completion
548 # none of these shells implement it
549 case $SH in
550 *mksh|*dash|*zsh|*/ash)
551 exit 2;
552 ;;
553 esac
554
555 read -a myarray <<'EOF'
556 a b c\ d
557 EOF
558 argv.py "${myarray[@]}"
559
560 # arguments are ignored here
561 read -r -a array2 extra arguments <<'EOF'
562 a b c\ d
563 EOF
564 argv.py "${array2[@]}"
565 argv.py "${extra[@]}"
566 argv.py "${arguments[@]}"
567 ## status: 0
568 ## STDOUT:
569 ['a', 'b', 'c d']
570 ['a', 'b', 'c\\', 'd']
571 []
572 []
573 ## END
574 ## N-I dash/mksh/zsh/ash status: 2
575 ## N-I dash/mksh/zsh/ash stdout-json: ""
576
577 #### read -d : (colon-separated records)
578 printf a,b,c:d,e,f:g,h,i | {
579 IFS=,
580 read -d : v1
581 echo "v1=$v1"
582 read -d : v1 v2
583 echo "v1=$v1 v2=$v2"
584 read -d : v1 v2 v3
585 echo "v1=$v1 v2=$v2 v3=$v3"
586 }
587 ## STDOUT:
588 v1=a,b,c
589 v1=d v2=e,f
590 v1=g v2=h v3=i
591 ## END
592 ## N-I dash STDOUT:
593 v1=
594 v1= v2=
595 v1= v2= v3=
596 ## END
597
598 #### read -d '' (null-separated records)
599 printf 'a,b,c\0d,e,f\0g,h,i' | {
600 IFS=,
601 read -d '' v1
602 echo "v1=$v1"
603 read -d '' v1 v2
604 echo "v1=$v1 v2=$v2"
605 read -d '' v1 v2 v3
606 echo "v1=$v1 v2=$v2 v3=$v3"
607 }
608 ## STDOUT:
609 v1=a,b,c
610 v1=d v2=e,f
611 v1=g v2=h v3=i
612 ## END
613 ## N-I dash STDOUT:
614 v1=
615 v1= v2=
616 v1= v2= v3=
617 ## END
618
619 #### read -rd
620 read -rd '' var <<EOF
621 foo
622 bar
623 EOF
624 echo "$var"
625 ## STDOUT:
626 foo
627 bar
628 ## END
629 ## N-I dash stdout-json: "\n"
630
631 #### read -d when there's no delimiter
632 { read -d : part
633 echo $part $?
634 read -d : part
635 echo $part $?
636 } <<EOF
637 foo:bar
638 EOF
639 ## STDOUT:
640 foo 0
641 bar 1
642 ## END
643 ## N-I dash STDOUT:
644 2
645 2
646 ## END
647
648 #### read -t 0 tests if input is available
649 case $SH in (dash|zsh|mksh) exit ;; esac
650
651 # is there input available?
652 read -t 0 < /dev/null
653 echo $?
654
655 # floating point
656 read -t 0.0 < /dev/null
657 echo $?
658
659 # floating point
660 echo foo | { read -t 0; echo reply=$REPLY; }
661 echo $?
662
663 ## STDOUT:
664 0
665 0
666 reply=
667 0
668 ## END
669 ## N-I dash/zsh/mksh stdout-json: ""
670
671 #### read -t 0.5
672 case $SH in (dash) exit ;; esac
673
674 read -t 0.5 < /dev/null
675 echo $?
676
677 ## STDOUT:
678 1
679 ## END
680 ## BUG zsh/mksh STDOUT:
681 1
682 ## END
683 ## N-I dash stdout-json: ""
684
685 #### read -t -0.5 is invalid
686 # bash appears to just take the absolute value?
687
688 read -t -0.5 < /dev/null
689 echo $?
690
691 ## STDOUT:
692 2
693 ## END
694 ## BUG bash STDOUT:
695 1
696 ## END
697 ## BUG zsh stdout-json: ""
698 ## BUG zsh status: 1
699
700 #### read -u
701 case $SH in (dash|mksh) exit ;; esac
702
703 # file descriptor
704 read -u 3 3<<EOF
705 hi
706 EOF
707 echo reply=$REPLY
708 ## STDOUT:
709 reply=hi
710 ## END
711 ## N-I dash/mksh stdout-json: ""
712
713 #### read -u syntax error
714 read -u -3
715 echo status=$?
716 ## STDOUT:
717 status=2
718 ## END
719 ## OK bash/zsh STDOUT:
720 status=1
721 ## END
722
723 #### read -N doesn't respect delimiter, while read -n does
724 case $SH in (dash|zsh|ash) exit ;; esac
725
726 echo foobar | { read -n 5 -d b; echo $REPLY; }
727 echo foobar | { read -N 5 -d b; echo $REPLY; }
728 ## STDOUT:
729 foo
730 fooba
731 ## END
732 ## OK mksh STDOUT:
733 fooba
734 fooba
735 ## END
736 ## N-I dash/zsh/ash stdout-json: ""
737
738 #### read -p (not fully tested)
739
740 # hm DISABLED if we're not going to the terminal
741 # so we're only testing that it accepts the flag here
742
743 case $SH in (dash|mksh|zsh) exit ;; esac
744
745 echo hi | { read -p 'P'; echo $REPLY; }
746 echo hi | { read -p 'P' -n 1; echo $REPLY; }
747 ## STDOUT:
748 hi
749 h
750 ## END
751 ## stderr-json: ""
752 ## N-I dash/mksh/zsh stdout-json: ""
753
754 #### read usage
755 read -n -1
756 echo status=$?
757 ## STDOUT:
758 status=2
759 ## END
760 ## OK bash stdout: status=1
761 ## BUG mksh stdout-json: ""
762 # zsh gives a fatal error? seems inconsistent
763 ## BUG zsh stdout-json: ""
764 ## BUG zsh status: 1
765
766 #### read with smooshed args
767 echo hi | { read -rn1 var; echo var=$var; }
768 ## STDOUT:
769 var=h
770 ## END
771 ## N-I dash/zsh STDOUT:
772 var=
773 ## END
774
775 #### read -r -d '' for NUL strings, e.g. find -print0
776
777
778 case $SH in (dash|zsh|mksh) exit ;; esac # NOT IMPLEMENTED
779
780 mkdir -p read0
781 cd read0
782 rm -f *
783
784 touch a\\b\\c\\d # -r is necessary!
785
786 find . -type f -a -print0 | { read -r -d ''; echo "[$REPLY]"; }
787
788 ## STDOUT:
789 [./a\b\c\d]
790 ## END
791 ## N-I dash/zsh/mksh STDOUT:
792 ## END
793
794
795 #### redirection from directory is non-fatal error)
796
797 # This tickles an infinite loop bug in our version of mksh! TODO: upgrade the
798 # version and enable this
799 case $SH in (mksh) return ;; esac
800
801 cd $TMP
802 mkdir -p dir
803 read x < ./dir
804 echo status=$?
805
806 ## STDOUT:
807 status=1
808 ## END
809 # OK mksh stdout: status=2
810 ## OK mksh stdout-json: ""
811
812 #### read -n from directory
813
814 case $SH in (dash|ash) return ;; esac # not implemented
815
816 # same hanging bug
817 case $SH in (mksh) return ;; esac
818
819 mkdir -p dir
820 read -n 3 x < ./dir
821 echo status=$?
822 ## STDOUT:
823 status=1
824 ## END
825 ## OK mksh stdout-json: ""
826 ## N-I dash/ash stdout-json: ""
827
828 #### mapfile from directory (bash doesn't handle errors)
829 case $SH in (dash|ash|mksh|zsh) return ;; esac # not implemented
830
831 mkdir -p dir
832 mapfile $x < ./dir
833 echo status=$?
834
835 ## STDOUT:
836 status=1
837 ## END
838 ## BUG bash STDOUT:
839 status=0
840 ## END
841 ## N-I dash/ash/mksh/zsh stdout-json: ""
842
843 #### Redirect to directory
844 mkdir -p dir
845
846 echo foo > ./dir
847 echo status=$?
848 printf foo > ./dir
849 echo status=$?
850
851 ## STDOUT:
852 status=1
853 status=1
854 ## END
855 ## OK dash STDOUT:
856 status=2
857 status=2
858 ## END
859