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## compare_shells: bash dash mksh zsh ash
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## oils_failures_allowed: 1
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echo done
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## stdout: done
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if false; then
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echo THEN
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else
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echo ELSE
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fi
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## stdout: ELSE
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a=(1 2 3)
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(( a = 42 ))
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echo $a
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## stdout: 42
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## N-I dash/ash stdout-json: ""
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## N-I dash/ash status: 2
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readonly x=1; x=2; echo hi
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## status: 1
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## OK dash/mksh/ash status: 2
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## STDOUT:
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## END
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readonly x=1
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x=2
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echo hi
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## status: 1
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## OK dash/mksh/ash status: 2
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## STDOUT:
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## END
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## BUG bash status: 0
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## BUG bash STDOUT:
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hi
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## END
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set -o posix
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readonly x=1
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x=2
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echo hi
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## status: 1
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## OK dash/mksh/ash status: 2
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## STDOUT:
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## END
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readonly x=1; unset x; echo hi
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## STDOUT:
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hi
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## END
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## OK dash/ash status: 2
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## OK zsh status: 1
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## OK dash/ash stdout-json: ""
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## OK zsh stdout-json: ""
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readonly x=1
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unset x
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echo hi
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## OK dash/ash status: 2
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## OK zsh status: 1
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## OK dash/ash stdout-json: ""
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## OK zsh stdout-json: ""
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74 |
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# Problem: $x() func call broke this error message
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foo$identity('z')
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foo$[1+2]
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echo DONE
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## status: 2
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## OK mksh/zsh status: 1
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## STDOUT:
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## END
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foo$x() {
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echo hi
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}
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foo $x() {
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echo hi
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}
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## status: 2
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## OK mksh/zsh status: 1
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## BUG zsh status: 0
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## STDOUT:
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## END
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echo -e 'echo one \0 echo two' > tmp.sh
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$SH tmp.sh
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## STDOUT:
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one echo two
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## END
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## OK osh STDOUT:
|
112 |
one
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## END
|
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## N-I dash stdout-json: ""
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## N-I dash status: 127
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## OK bash stdout-json: ""
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## OK bash status: 126
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## OK zsh stdout-json: "one \u0000echo two\n"
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119 |
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case $SH in bash) exit ;; esac
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x=$'\\D{%H:%M' # leave off trailing }
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echo x=${x@P}
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125 |
|
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## STDOUT:
|
127 |
x=\D{%H:%M
|
128 |
## END
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# bash just ignores the missing }
|
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## BUG bash stdout-json: ""
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# These shells don't understand @P
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|
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## N-I dash/ash stdout-json: ""
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## N-I dash/ash status: 2
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137 |
|
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## N-I zsh stdout-json: ""
|
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## N-I zsh status: 1
|
140 |
|
141 |
|
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|
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|
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# Inspired by https://blog.sunfishcode.online/bugs-in-hello-world/
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echo hi > /dev/full
|
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echo status=$?
|
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printf '%s\n' hi > /dev/full
|
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echo status=$?
|
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## STDOUT:
|
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status=1
|
153 |
status=1
|
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## END
|
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# Ensures that spawning a subshell doesn't cause a seek on the file input stream
|
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# representing the current script (issue #1233).
|
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cat >tmp.sh <<'EOF'
|
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echo start
|
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(:)
|
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echo end
|
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EOF
|
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$SH tmp.sh
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## STDOUT:
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start
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end
|
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## END
|
169 |
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case $SH in (dash|mksh|ash) exit ;; esac
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172 |
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for (( n=0; n<(3-(1)); n++ )) ; do echo $n; done
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174 |
|
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## STDOUT:
|
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0
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1
|
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## END
|
179 |
## N-I dash/mksh/ash STDOUT:
|
180 |
## END
|
181 |
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182 |
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183 |
|
184 |
|
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case $SH in (dash|mksh|ash) exit ;; esac
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186 |
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|
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for (( n=0; n<(3- (1)); n++ )) ; do echo $n; done
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189 |
|
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## STDOUT:
|
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0
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1
|
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## END
|
194 |
## N-I dash/mksh/ash STDOUT:
|
195 |
## END
|
196 |
|
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|
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mysed() {
|
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for line in "$@"; do
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echo "[$line]"
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done
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}
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sedinputs="f1 f2"
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sedscript='my sed command'
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# Parsed and evaluated correctly: with word_part.EscapedLiteral \"
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209 |
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x=$(eval "mysed -n \"\$sedscript\" $sedinputs")
|
211 |
echo '--- $()'
|
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echo "$x"
|
213 |
|
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# With backticks, the \" gets lost somehow
|
215 |
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x=`eval "mysed -n \"\$sedscript\" $sedinputs"`
|
217 |
echo '--- backticks'
|
218 |
echo "$x"
|
219 |
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220 |
|
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# Test it in a case statement
|
222 |
|
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case `eval "mysed -n \"\$sedscript\" $sedinputs"` in
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224 |
(*'[my sed command]'*)
|
225 |
echo 'NOT SPLIT'
|
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;;
|
227 |
esac
|
228 |
|
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## STDOUT:
|
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--- $()
|
231 |
[-n]
|
232 |
[my sed command]
|
233 |
[f1]
|
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[f2]
|
235 |
--- backticks
|
236 |
[-n]
|
237 |
[my sed command]
|
238 |
[f1]
|
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[f2]
|
240 |
NOT SPLIT
|
241 |
## END
|
242 |
|
243 |
|
244 |
|
245 |
as_fn_arith ()
|
246 |
{
|
247 |
as_val=$(( $* ))
|
248 |
}
|
249 |
as_fn_arith 1 + 1
|
250 |
echo $as_val
|
251 |
|
252 |
## STDOUT:
|
253 |
2
|
254 |
## END
|
255 |
|
256 |
|
257 |
|
258 |
rm -f PWNED
|
259 |
|
260 |
x='a[$(echo 42 | tee PWNED)]=1'
|
261 |
echo $(( x ))
|
262 |
|
263 |
if test -f PWNED; then
|
264 |
cat PWNED
|
265 |
else
|
266 |
echo NOPE
|
267 |
fi
|
268 |
|
269 |
## status: 1
|
270 |
## OK dash/ash status: 2
|
271 |
## stdout-json: ""
|
272 |
## BUG bash/mksh/zsh status: 0
|
273 |
## BUG bash/mksh/zsh STDOUT:
|
274 |
1
|
275 |
42
|
276 |
## END
|
277 |
|
278 |
|
279 |
|
280 |
rm -f PWNED
|
281 |
|
282 |
x='a[<(echo 42 | tee PWNED)]=1'
|
283 |
echo $(( x ))
|
284 |
|
285 |
if test -f PWNED; then
|
286 |
cat PWNED
|
287 |
else
|
288 |
echo NOPE
|
289 |
fi
|
290 |
|
291 |
## status: 1
|
292 |
## stdout-json: ""
|
293 |
|
294 |
## OK dash/ash status: 2
|
295 |
|
296 |
# bash keeps going
|
297 |
## BUG bash status: 0
|
298 |
## BUG bash STDOUT:
|
299 |
NOPE
|
300 |
## END
|
301 |
|
302 |
|
303 |
|
304 |
|
305 |
typeset -a a # for mksh
|
306 |
a=(42)
|
307 |
echo len=${#a[@]}
|
308 |
|
309 |
unset -v 'a[$(echo 0 | tee PWNED)]'
|
310 |
echo len=${#a[@]}
|
311 |
|
312 |
if test -f PWNED; then
|
313 |
echo PWNED
|
314 |
cat PWNED
|
315 |
else
|
316 |
echo NOPE
|
317 |
fi
|
318 |
|
319 |
## status: 1
|
320 |
## STDOUT:
|
321 |
len=1
|
322 |
## END
|
323 |
|
324 |
## N-I dash/ash status: 2
|
325 |
## N-I dash/ash stdout-json: ""
|
326 |
|
327 |
## BUG bash/mksh status: 0
|
328 |
## BUG bash/mksh STDOUT:
|
329 |
len=1
|
330 |
len=0
|
331 |
PWNED
|
332 |
0
|
333 |
## END
|
334 |
|
335 |
## BUG zsh status: 0
|
336 |
## BUG zsh STDOUT:
|
337 |
len=1
|
338 |
len=1
|
339 |
PWNED
|
340 |
0
|
341 |
## END
|
342 |
|