1 |
|
2 |
|
3 |
var x = $(echo hi)
|
4 |
var y = $(echo '')
|
5 |
# Make sure we can operate on these values
|
6 |
echo x=${x:-default} y=${y:-default}
|
7 |
## STDOUT:
|
8 |
x=hi y=default
|
9 |
## END
|
10 |
|
11 |
|
12 |
shopt -s parse_at
|
13 |
var x = %(a 'b c')
|
14 |
var empty = %()
|
15 |
argv.py / @x @empty /
|
16 |
|
17 |
## STDOUT:
|
18 |
['/', 'a', 'b c', '/']
|
19 |
## END
|
20 |
|
21 |
|
22 |
shopt -s parse_at simple_word_eval
|
23 |
var empty = :| |
|
24 |
echo len=$[len(empty)]
|
25 |
argv.py / @empty /
|
26 |
|
27 |
## STDOUT:
|
28 |
len=0
|
29 |
['/', '/']
|
30 |
## END
|
31 |
|
32 |
|
33 |
# Bug happens with shell arrays too
|
34 |
empty=()
|
35 |
declare z=1 "${empty[@]}"
|
36 |
echo z=$z
|
37 |
## STDOUT:
|
38 |
z=1
|
39 |
## END
|
40 |
|
41 |
|
42 |
shopt -s parse_at simple_word_eval
|
43 |
touch {foo,bar}.py
|
44 |
HOME=/home/bob
|
45 |
no_dynamic_glob='*.py'
|
46 |
|
47 |
var x = %(~/src *.py {andy,bob}@example.com $no_dynamic_glob)
|
48 |
argv.py @x
|
49 |
## STDOUT:
|
50 |
['/home/bob/src', 'bar.py', 'foo.py', 'andy@example.com', 'bob@example.com', '*.py']
|
51 |
## END
|
52 |
|
53 |
|
54 |
var HOME = "foo"
|
55 |
echo $HOME
|
56 |
echo ~
|
57 |
## STDOUT:
|
58 |
foo
|
59 |
foo
|
60 |
## END
|
61 |
|
62 |
|
63 |
x='abc'
|
64 |
var length = len(x) # length in BYTES, unlike ${#x}
|
65 |
echo $length
|
66 |
## STDOUT:
|
67 |
3
|
68 |
## END
|
69 |
|
70 |
|
71 |
x=(a b c)
|
72 |
x[10]=A
|
73 |
x[20]=B
|
74 |
|
75 |
# shell style: length is 5
|
76 |
echo shell=${#x[@]}
|
77 |
|
78 |
# Length could be 20, but we may change the representation to Dict[int, str]
|
79 |
echo ysh=$[len(x)]
|
80 |
|
81 |
## status: 3
|
82 |
## STDOUT:
|
83 |
shell=5
|
84 |
## END
|
85 |
|
86 |
|
87 |
var s = "abc"
|
88 |
echo -$[len(s)]-
|
89 |
|
90 |
# This already has a meaning ...
|
91 |
#echo "-$len(x)-"
|
92 |
#echo "-${len}(x)-"
|
93 |
|
94 |
## STDOUT:
|
95 |
-3-
|
96 |
## END
|
97 |
|
98 |
|
99 |
shopt --set ysh:upgrade # needed for math.ysh
|
100 |
|
101 |
source --builtin math.ysh
|
102 |
|
103 |
var x = max(1+2, 3+4)
|
104 |
echo $x $[max(1+2, 3+4)]
|
105 |
|
106 |
## STDOUT:
|
107 |
7 7
|
108 |
## END
|
109 |
|
110 |
|
111 |
|
112 |
shopt --set ysh:upgrade # needed for math.ysh
|
113 |
|
114 |
source --builtin math.ysh
|
115 |
|
116 |
var x = max(1+2, 3+4,)
|
117 |
echo $x $[max(1+2, 3+4,)]
|
118 |
|
119 |
## STDOUT:
|
120 |
7 7
|
121 |
## END
|
122 |
|
123 |
|
124 |
var s = "123"
|
125 |
|
126 |
# lex_mode_e.ShCommand -> Expr -> ShCommand -> Expr
|
127 |
var x = $(echo $'len\n' $[len(s)])
|
128 |
echo $x
|
129 |
## STDOUT:
|
130 |
len 3
|
131 |
## END
|
132 |
|
133 |
|
134 |
# TODO:
|
135 |
# - test keyword args
|
136 |
# - test splatting *args, **kwargs
|
137 |
# - Multiline parsing
|
138 |
#
|
139 |
# var x = max(
|
140 |
# 1+2,
|
141 |
# 3+4,
|
142 |
# )
|
143 |
# echo $x $max(
|
144 |
# 1+2,
|
145 |
# 3+4,
|
146 |
# )
|
147 |
|
148 |
|
149 |
var w = "3"
|
150 |
echo lt=$(( w < 4 ))
|
151 |
echo gt=$(( w > 4 ))
|
152 |
|
153 |
var z = 3
|
154 |
echo lt=$(( z < 4 ))
|
155 |
echo gt=$(( z > 4 ))
|
156 |
## STDOUT:
|
157 |
lt=1
|
158 |
gt=0
|
159 |
lt=1
|
160 |
gt=0
|
161 |
## END
|
162 |
|
163 |
|
164 |
shopt -s oil:upgrade
|
165 |
g() { var x = 42 }
|
166 |
|
167 |
var x = 1
|
168 |
f() { var x = 42; setvar x = 43 }
|
169 |
f
|
170 |
echo x=$x
|
171 |
## STDOUT:
|
172 |
x=1
|
173 |
## END
|
174 |
|
175 |
|
176 |
var foo = "bar"
|
177 |
var x = "-$foo-${foo}-${undef:-default}-"
|
178 |
echo $x
|
179 |
## STDOUT:
|
180 |
-bar-bar-default-
|
181 |
## END
|
182 |
|
183 |
|
184 |
shopt -s strict:all
|
185 |
declare -a a=(one two three)
|
186 |
var x = "-${a[@]}-"
|
187 |
echo $x
|
188 |
## status: 1
|
189 |
## stdout-json: ""
|
190 |
|
191 |
|
192 |
( exit 42 )
|
193 |
var status = $?
|
194 |
echo status=$status
|
195 |
|
196 |
set -- a b c
|
197 |
var one = $1
|
198 |
var two = $2
|
199 |
echo $one $two
|
200 |
|
201 |
var named = "$one" # equivalent to 'one'
|
202 |
echo named=$named
|
203 |
|
204 |
## STDOUT:
|
205 |
status=42
|
206 |
a b
|
207 |
named=a
|
208 |
## END
|
209 |
|
210 |
|
211 |
|
212 |
# without double quotes
|
213 |
|
214 |
var b = ${foo:-default}
|
215 |
echo $b
|
216 |
var c = ${bar:-"-$b-"}
|
217 |
echo $c
|
218 |
|
219 |
var d = "${bar:-"-$c-"}" # another one
|
220 |
echo $d
|
221 |
|
222 |
## STDOUT:
|
223 |
default
|
224 |
-default-
|
225 |
--default--
|
226 |
## END
|
227 |
|
228 |
|
229 |
set -- a b c
|
230 |
var x = ${undef:-"$@"}
|
231 |
echo $x
|
232 |
shopt -s strict_array
|
233 |
setvar x = ${undef:-"$@"}
|
234 |
echo $x
|
235 |
## status: 1
|
236 |
## STDOUT:
|
237 |
a b c
|
238 |
## END
|
239 |
|
240 |
|
241 |
|
242 |
shopt -s oil:upgrade
|
243 |
var n = null
|
244 |
if (n) {
|
245 |
echo yes
|
246 |
} else {
|
247 |
echo no
|
248 |
}
|
249 |
var t = true
|
250 |
if (t) {
|
251 |
echo yes
|
252 |
} else {
|
253 |
echo no
|
254 |
}
|
255 |
var f = false
|
256 |
if (f) {
|
257 |
echo yes
|
258 |
} else {
|
259 |
echo no
|
260 |
}
|
261 |
## STDOUT:
|
262 |
no
|
263 |
yes
|
264 |
no
|
265 |
## END
|
266 |
|
267 |
|
268 |
var d = 123
|
269 |
var b = 0b11
|
270 |
var o = 0o123
|
271 |
var h = 0xff
|
272 |
echo $d $b $o $h
|
273 |
## STDOUT:
|
274 |
123 3 83 255
|
275 |
## END
|
276 |
|
277 |
|
278 |
const dec = 65_536
|
279 |
const bin = 0b0001_0101
|
280 |
const oct = 0o001_755
|
281 |
const hex = 0x0001_000f
|
282 |
|
283 |
echo SHELL
|
284 |
echo $dec
|
285 |
echo $bin
|
286 |
echo $oct
|
287 |
echo $hex
|
288 |
const x = 1_1 + 0b1_1 + 0o1_1 + 0x1_1
|
289 |
echo sum $x
|
290 |
|
291 |
# This works under Python 3.6, but the continuous build has earlier versions
|
292 |
if false; then
|
293 |
echo ---
|
294 |
echo PYTHON
|
295 |
|
296 |
python3 -c '
|
297 |
print(65_536)
|
298 |
print(0b0001_0101)
|
299 |
print(0o001_755)
|
300 |
print(0x0001_000f)
|
301 |
|
302 |
# Weird syntax
|
303 |
print("sum", 1_1 + 0b1_1 + 0o1_1 + 0x1_1)
|
304 |
'
|
305 |
fi
|
306 |
|
307 |
## STDOUT:
|
308 |
SHELL
|
309 |
65536
|
310 |
21
|
311 |
1005
|
312 |
65551
|
313 |
sum 40
|
314 |
## END
|
315 |
|
316 |
|
317 |
const newline = \n
|
318 |
const backslash = \\
|
319 |
const sq = \'
|
320 |
const dq = \"
|
321 |
echo "$newline $backslash $sq $dq"
|
322 |
## STDOUT:
|
323 |
10 92 39 34
|
324 |
## END
|
325 |
|
326 |
|
327 |
shopt -s oil:all
|
328 |
|
329 |
var mu = \u{3bc}
|
330 |
if (mu === 0x3bc) { # this is the same!
|
331 |
echo 'yes'
|
332 |
}
|
333 |
echo "mu $mu"
|
334 |
## STDOUT:
|
335 |
yes
|
336 |
mu 956
|
337 |
## END
|
338 |
|
339 |
|
340 |
var a = 0b0101 & 0b0011
|
341 |
echo $a
|
342 |
var b = 0b0101 | 0b0011
|
343 |
echo $b
|
344 |
var c = 0b0101 ^ 0b0011
|
345 |
echo $c
|
346 |
var d = ~b
|
347 |
echo $d
|
348 |
## STDOUT:
|
349 |
1
|
350 |
7
|
351 |
6
|
352 |
-8
|
353 |
## END
|
354 |
|
355 |
|
356 |
var a = 1 << 4
|
357 |
echo $a
|
358 |
var b = 16 >> 4
|
359 |
echo $b
|
360 |
## STDOUT:
|
361 |
16
|
362 |
1
|
363 |
## END
|
364 |
|
365 |
|
366 |
var x = 2**3
|
367 |
echo $x
|
368 |
|
369 |
var y = 2.0 ** 3.0 # NOT SUPPORTED
|
370 |
echo 'should not get here'
|
371 |
|
372 |
## status: 3
|
373 |
## STDOUT:
|
374 |
8
|
375 |
## END
|
376 |
|
377 |
|
378 |
var x = 5/2
|
379 |
echo $x
|
380 |
var y = 5 // 2
|
381 |
echo $y
|
382 |
## STDOUT:
|
383 |
2.5
|
384 |
2
|
385 |
## END
|
386 |
|
387 |
|
388 |
= 5 % 3
|
389 |
= -5 % 3
|
390 |
## STDOUT:
|
391 |
(Int) 2
|
392 |
(Int) 1
|
393 |
## END
|
394 |
|
395 |
|
396 |
var dq = "
|
397 |
dq
|
398 |
2
|
399 |
"
|
400 |
echo dq=$[len(dq)]
|
401 |
|
402 |
var sq = '
|
403 |
sq
|
404 |
2
|
405 |
'
|
406 |
echo sq=$[len(sq)]
|
407 |
|
408 |
var mylist = [
|
409 |
1,
|
410 |
2,
|
411 |
3,
|
412 |
]
|
413 |
echo mylist=$[len(mylist)]
|
414 |
|
415 |
var mytuple = (1,
|
416 |
2, 3)
|
417 |
echo mytuple=$[len(mytuple)]
|
418 |
|
419 |
## STDOUT:
|
420 |
dq=6
|
421 |
sq=6
|
422 |
mylist=3
|
423 |
mytuple=3
|
424 |
## END
|
425 |
|
426 |
|
427 |
|
428 |
# Note: a pair has to be all on one line. We could relax that but there isn't
|
429 |
# a strong reason to now.
|
430 |
|
431 |
var mydict = { a:1,
|
432 |
b: 2,
|
433 |
}
|
434 |
echo mydict=$[len(mydict)]
|
435 |
## STDOUT:
|
436 |
mydict=2
|
437 |
## END
|
438 |
|
439 |
|
440 |
var array = %(
|
441 |
one
|
442 |
two
|
443 |
three
|
444 |
)
|
445 |
echo array=$[len(array)]
|
446 |
|
447 |
var comsub = $(
|
448 |
echo hi
|
449 |
echo bye
|
450 |
)
|
451 |
echo comsub=$[len(comsub)]
|
452 |
|
453 |
## STDOUT:
|
454 |
array=3
|
455 |
comsub=6
|
456 |
## END
|
457 |
|
458 |
|
459 |
var s = 'hi'
|
460 |
|
461 |
# TODO: This does a bound method thing we probably don't want
|
462 |
var s2 = s->upper()
|
463 |
echo $s2
|
464 |
## STDOUT:
|
465 |
HI
|
466 |
## END
|
467 |
|
468 |
|
469 |
var s = 'hi'
|
470 |
var method = s->upper
|
471 |
echo $method
|
472 |
## status: 3
|
473 |
## stdout-json: ""
|
474 |
|
475 |
|
476 |
var d = {name: 'andy'}
|
477 |
var x = d.name
|
478 |
echo $x
|
479 |
## STDOUT:
|
480 |
andy
|
481 |
## END
|
482 |
|
483 |
|
484 |
shopt -s parse_brace
|
485 |
|
486 |
var i = 'abc'
|
487 |
var j = 'de'
|
488 |
var k = i ++ j
|
489 |
echo string $k
|
490 |
|
491 |
|
492 |
var a = [1, 2]
|
493 |
var b = [3]
|
494 |
var c = a ++ b
|
495 |
echo list len=$[len(c)]
|
496 |
|
497 |
echo ---
|
498 |
|
499 |
try {
|
500 |
= 'ab' ++ 3
|
501 |
}
|
502 |
echo Str Int $_status
|
503 |
|
504 |
try {
|
505 |
= [1, 2] ++ 3
|
506 |
}
|
507 |
echo List Int $_status
|
508 |
|
509 |
try {
|
510 |
= 3 ++ 'ab'
|
511 |
}
|
512 |
echo Int Str $_status
|
513 |
|
514 |
## STDOUT:
|
515 |
string abcde
|
516 |
list len=3
|
517 |
---
|
518 |
Str Int 3
|
519 |
List Int 3
|
520 |
Int Str 3
|
521 |
## END
|
522 |
|
523 |
|
524 |
shopt -s oil:all
|
525 |
|
526 |
if ('foo.py' ~~ '*.py') {
|
527 |
echo yes
|
528 |
}
|
529 |
if ('foo.py' !~~ '*.sh') {
|
530 |
echo no
|
531 |
}
|
532 |
## STDOUT:
|
533 |
yes
|
534 |
no
|
535 |
## END
|
536 |
|
537 |
|
538 |
shopt --set parse_brace
|
539 |
|
540 |
# TODO: It might be nice to get a message
|
541 |
try {
|
542 |
var x = {} + []
|
543 |
}
|
544 |
echo $_status
|
545 |
|
546 |
try {
|
547 |
setvar x = {} + 3
|
548 |
}
|
549 |
echo $_status
|
550 |
|
551 |
try {
|
552 |
= 'foo' ++ 3
|
553 |
}
|
554 |
echo $_status
|
555 |
|
556 |
try {
|
557 |
= 'foo' ++ 3
|
558 |
}
|
559 |
echo $_status
|
560 |
|
561 |
## STDOUT:
|
562 |
3
|
563 |
3
|
564 |
3
|
565 |
3
|
566 |
## END
|
567 |
|
568 |
|
569 |
|
570 |
var x = 12 ++ 3
|
571 |
echo $x
|
572 |
## status: 3
|
573 |
## STDOUT:
|
574 |
## END
|
575 |
|
576 |
|
577 |
= ["s"] + "t"
|
578 |
## status: 3
|
579 |
## STDOUT:
|
580 |
## END
|
581 |
|
582 |
|
583 |
|
584 |
var e = ^[1 + 2]
|
585 |
|
586 |
echo type=$[type(e)]
|
587 |
echo eval=$[evalExpr(e)]
|
588 |
## STDOUT:
|
589 |
type=Expr
|
590 |
eval=3
|
591 |
## END
|
592 |
|
593 |
|
594 |
var e = ^[1 / 0]
|
595 |
call evalExpr(e)
|
596 |
## status: 3
|
597 |
## STDOUT:
|
598 |
## END
|
599 |
|
600 |
|
601 |
var x = 0
|
602 |
var e = ^[x]
|
603 |
|
604 |
setvar x = 1
|
605 |
echo result=$[evalExpr(e)]
|
606 |
## STDOUT:
|
607 |
result=1
|
608 |
## END
|
609 |
|
610 |
|
611 |
var x = 0
|
612 |
var e = ^"x is $x"
|
613 |
|
614 |
setvar x = 1
|
615 |
echo result=$[evalExpr(e)]
|
616 |
## STDOUT:
|
617 |
result=x is 1
|
618 |
## END
|