1 |
## oils_failures_allowed: 2
|
2 |
## compare_shells: dash bash mksh
|
3 |
|
4 |
|
5 |
cat <<< 'hi'
|
6 |
## STDOUT:
|
7 |
hi
|
8 |
## END
|
9 |
## N-I dash stdout-json: ""
|
10 |
## N-I dash status: 2
|
11 |
|
12 |
|
13 |
cat <<< $'one\ntwo\n'
|
14 |
## STDOUT:
|
15 |
one
|
16 |
two
|
17 |
|
18 |
## END
|
19 |
## N-I dash stdout-json: ""
|
20 |
## N-I dash status: 2
|
21 |
|
22 |
|
23 |
# A space between 0 and <<EOF causes it to pass '0' as an arg to cat.
|
24 |
cat 0<<EOF
|
25 |
one
|
26 |
EOF
|
27 |
## stdout: one
|
28 |
|
29 |
|
30 |
# NOTE: OSH fails on descriptor 9, but not descriptor 8? Is this because of
|
31 |
# the Python VM? How to inspect state?
|
32 |
read_from_fd.py 8 8<<EOF
|
33 |
here doc on descriptor
|
34 |
EOF
|
35 |
## stdout: 8: here doc on descriptor
|
36 |
|
37 |
|
38 |
read_from_fd.py 0 3 <<EOF 3<<EOF3
|
39 |
fd0
|
40 |
EOF
|
41 |
fd3
|
42 |
EOF3
|
43 |
## STDOUT:
|
44 |
0: fd0
|
45 |
3: fd3
|
46 |
## END
|
47 |
|
48 |
|
49 |
# Most shells accept this, but OSH is stricter.
|
50 |
cat <<${a}
|
51 |
here
|
52 |
${a}
|
53 |
## stdout: here
|
54 |
## OK osh stdout-json: ""
|
55 |
## OK osh status: 2
|
56 |
|
57 |
|
58 |
# bash is OK with this; dash isn't. Should be a parse error.
|
59 |
cat <<$(a)
|
60 |
here
|
61 |
$(a)
|
62 |
## stdout-json: ""
|
63 |
## status: 2
|
64 |
## BUG bash stdout: here
|
65 |
## BUG bash status: 0
|
66 |
## OK mksh status: 1
|
67 |
|
68 |
|
69 |
|
70 |
echo hello >$TMP/hello.txt
|
71 |
|
72 |
cat <<EOF <$TMP/hello.txt
|
73 |
here
|
74 |
EOF
|
75 |
## stdout: hello
|
76 |
|
77 |
|
78 |
|
79 |
echo hello >$TMP/hello.txt
|
80 |
|
81 |
cat <$TMP/hello.txt <<EOF
|
82 |
here
|
83 |
EOF
|
84 |
## stdout: here
|
85 |
|
86 |
|
87 |
var=v
|
88 |
cat <<EOF
|
89 |
var: ${var}
|
90 |
command: $(echo hi)
|
91 |
arith: $((1+2))
|
92 |
EOF
|
93 |
## STDOUT:
|
94 |
var: v
|
95 |
command: hi
|
96 |
arith: 3
|
97 |
## END
|
98 |
|
99 |
|
100 |
# This isn't specified by the POSIX grammar, but it's accepted by both dash and
|
101 |
# bash!
|
102 |
echo foo > _tmp/foo.txt
|
103 |
echo bar > _tmp/bar.txt
|
104 |
cat <<EOF 1>&2 _tmp/foo.txt - _tmp/bar.txt
|
105 |
here
|
106 |
EOF
|
107 |
## STDERR:
|
108 |
foo
|
109 |
here
|
110 |
bar
|
111 |
## END
|
112 |
|
113 |
|
114 |
cat <<EOF \
|
115 |
; echo two
|
116 |
one
|
117 |
EOF
|
118 |
## STDOUT:
|
119 |
one
|
120 |
two
|
121 |
## END
|
122 |
|
123 |
|
124 |
cat <<'EOF'"2"
|
125 |
one
|
126 |
two
|
127 |
EOF2
|
128 |
## STDOUT:
|
129 |
one
|
130 |
two
|
131 |
## END
|
132 |
|
133 |
|
134 |
cat <<EOF; echo "two
|
135 |
three"
|
136 |
one
|
137 |
EOF
|
138 |
## STDOUT:
|
139 |
one
|
140 |
two
|
141 |
three
|
142 |
## END
|
143 |
|
144 |
|
145 |
<<EOF1 cat <<EOF2
|
146 |
hello
|
147 |
EOF1
|
148 |
there
|
149 |
EOF2
|
150 |
## stdout: there
|
151 |
|
152 |
|
153 |
cat <<EOF \
|
154 |
1
|
155 |
2
|
156 |
3
|
157 |
EOF
|
158 |
| tac
|
159 |
## status: 2
|
160 |
## OK mksh status: 1
|
161 |
|
162 |
|
163 |
cat <<EOF | tac
|
164 |
1
|
165 |
2
|
166 |
3
|
167 |
EOF
|
168 |
## STDOUT:
|
169 |
3
|
170 |
2
|
171 |
1
|
172 |
## END
|
173 |
|
174 |
|
175 |
cat <<EOF |
|
176 |
1
|
177 |
2
|
178 |
3
|
179 |
EOF
|
180 |
tac
|
181 |
## STDOUT:
|
182 |
3
|
183 |
2
|
184 |
1
|
185 |
## END
|
186 |
|
187 |
|
188 |
# read can't be run in a subshell.
|
189 |
read v1 v2 <<EOF
|
190 |
val1 val2
|
191 |
EOF
|
192 |
echo =$v1= =$v2=
|
193 |
## stdout: =val1= =val2=
|
194 |
|
195 |
|
196 |
while read line; do
|
197 |
echo X $line
|
198 |
done <<EOF
|
199 |
1
|
200 |
2
|
201 |
3
|
202 |
EOF
|
203 |
## STDOUT:
|
204 |
X 1
|
205 |
X 2
|
206 |
X 3
|
207 |
## END
|
208 |
|
209 |
|
210 |
|
211 |
while cat <<E1 && cat <<E2; do cat <<E3; break; done
|
212 |
1
|
213 |
E1
|
214 |
2
|
215 |
E2
|
216 |
3
|
217 |
E3
|
218 |
## STDOUT:
|
219 |
1
|
220 |
2
|
221 |
3
|
222 |
## END
|
223 |
|
224 |
|
225 |
while cat <<E1 && cat <<E2
|
226 |
1
|
227 |
E1
|
228 |
2
|
229 |
E2
|
230 |
do
|
231 |
cat <<E3
|
232 |
3
|
233 |
E3
|
234 |
break
|
235 |
done
|
236 |
## STDOUT:
|
237 |
1
|
238 |
2
|
239 |
3
|
240 |
## END
|
241 |
|
242 |
|
243 |
while cat <<E1
|
244 |
1
|
245 |
E1
|
246 |
|
247 |
cat <<E2
|
248 |
2
|
249 |
E2
|
250 |
|
251 |
do
|
252 |
cat <<E3
|
253 |
3
|
254 |
E3
|
255 |
break
|
256 |
done
|
257 |
## STDOUT:
|
258 |
1
|
259 |
2
|
260 |
3
|
261 |
## END
|
262 |
|
263 |
|
264 |
cat <<-EOF; echo --; cat <<EOF2
|
265 |
one
|
266 |
EOF
|
267 |
two
|
268 |
EOF2
|
269 |
## STDOUT:
|
270 |
one
|
271 |
--
|
272 |
two
|
273 |
## END
|
274 |
|
275 |
|
276 |
|
277 |
|
278 |
while read line; do echo X $line; done <<EOF; echo ==; while read line; do echo Y $line; done <<EOF2
|
279 |
1
|
280 |
2
|
281 |
EOF
|
282 |
3
|
283 |
4
|
284 |
EOF2
|
285 |
## STDOUT:
|
286 |
X 1
|
287 |
X 2
|
288 |
==
|
289 |
Y 3
|
290 |
Y 4
|
291 |
## END
|
292 |
|
293 |
|
294 |
fun() { cat; } <<EOF; echo before; fun; echo after
|
295 |
1
|
296 |
2
|
297 |
EOF
|
298 |
## STDOUT:
|
299 |
before
|
300 |
1
|
301 |
2
|
302 |
after
|
303 |
## END
|
304 |
|
305 |
|
306 |
<<EOF tac
|
307 |
1
|
308 |
2
|
309 |
3
|
310 |
EOF
|
311 |
## STDOUT:
|
312 |
3
|
313 |
2
|
314 |
1
|
315 |
## END
|
316 |
|
317 |
# NOTE that you can have redirection AFTER the here doc thing. And you don't
|
318 |
# need a space! Those are operators.
|
319 |
#
|
320 |
# POSIX doesn't seem to have this? They have io_file, which is for
|
321 |
# filenames, and io_here, which is here doc. But about 1>&2 syntax? Geez.
|
322 |
|
323 |
cat <<EOF 1>&2
|
324 |
out
|
325 |
EOF
|
326 |
## stderr: out
|
327 |
|
328 |
|
329 |
cat <<-EOF
|
330 |
1
|
331 |
2
|
332 |
3 # 2 tabs are both stripped
|
333 |
4 # spaces are preserved
|
334 |
EOF
|
335 |
## STDOUT:
|
336 |
1
|
337 |
2
|
338 |
3 # 2 tabs are both stripped
|
339 |
4 # spaces are preserved
|
340 |
## END
|
341 |
|
342 |
|
343 |
[[ $(cat <<EOF
|
344 |
foo
|
345 |
EOF
|
346 |
) == foo ]]; echo $?
|
347 |
## stdout: 0
|
348 |
## N-I dash stdout: 127
|
349 |
|
350 |
|
351 |
if cat <<EOF; then
|
352 |
here doc in IF CONDITION
|
353 |
EOF
|
354 |
echo THEN executed
|
355 |
fi
|
356 |
## STDOUT:
|
357 |
here doc in IF CONDITION
|
358 |
THEN executed
|
359 |
## END
|
360 |
|
361 |
|
362 |
cat <<- EOF
|
363 |
outside
|
364 |
$(cat <<- INSIDE
|
365 |
inside
|
366 |
INSIDE
|
367 |
)
|
368 |
EOF
|
369 |
## STDOUT:
|
370 |
outside
|
371 |
inside
|
372 |
## END
|
373 |
|
374 |
|
375 |
case $SH in *osh) exit ;; esac
|
376 |
|
377 |
# The second instance reads its stdin from the pipe, and fd 5 from a here doc.
|
378 |
read_from_fd.py 3 3<<EOF3 | read_from_fd.py 0 5 5<<EOF5
|
379 |
fd3
|
380 |
EOF3
|
381 |
fd5
|
382 |
EOF5
|
383 |
|
384 |
echo ok
|
385 |
|
386 |
## STDOUT:
|
387 |
0: 3: fd3
|
388 |
5: fd5
|
389 |
ok
|
390 |
## END
|
391 |
|
392 |
|
393 |
case $SH in *osh) exit ;; esac
|
394 |
|
395 |
# SKIPPED: hangs with osh on Debian
|
396 |
# The second instance reads its stdin from the pipe, and fd 5 from a here doc.
|
397 |
read_from_fd.py 3 3<<EOF3 |
|
398 |
fd3
|
399 |
EOF3
|
400 |
read_from_fd.py 0 5 5<<EOF5
|
401 |
fd5
|
402 |
EOF5
|
403 |
|
404 |
echo ok
|
405 |
|
406 |
## STDOUT:
|
407 |
0: 3: fd3
|
408 |
5: fd5
|
409 |
ok
|
410 |
## END
|
411 |
|