(
   ^
[ headless ]:1: Unexpected EOF while parsing command
  zzZZ
  ^~~~
[ headless ]:1: Command 'zzZZ' not found (OILS-ERR-100)
  declare -X
          ^~
[ headless ]:1: 'declare' doesn't accept flag -X
  break
  ^~~~~
[ headless ]:1: warning: Invalid control flow at top level
  continue
  ^~~~~~~~
[ headless ]:1: warning: Invalid control flow at top level
so
fastfunc.so
fastlex.so
frontend
install
libc.so
line_input.so
metrics
mycpp
oils-version.txt
opy
osh
pea
pgen2
posix_.so
prebuilt
pyext
pylib
shell.nix
soil
spec
stdlib
test
testdata
tools
trees
uninstall
vendor
web
win32
yaks
ysh
x: mystdin
PS1=osh-0.32$
0 /home/uke/oil
dbg '' _gen/core/runtime.asdl.cc _build/obj/cxx-dbg/_gen/core/runtime.asdl.o
[9/39] cxx dbg '' mycpp/hash.cc _build/obj/cxx-dbg/mycpp/hash.o
[10/39] cxx dbg '' mycpp/gc_builtins.cc _build/obj/cxx-dbg/mycpp/gc_builtins.o
[11/39] cxx dbg '' _gen/bin/text_files.cc _build/obj/cxx-dbg/_gen/bin/text_files.o
[12/39] cxx dbg '' _gen/cpp/build_stamp.cc _build/obj/cxx-dbg/_gen/cpp/build_stamp.o
[13/39] cxx dbg '' mycpp/gc_mops.cc _build/obj/cxx-dbg/mycpp/gc_mops.o
[14/39] cxx dbg '' cpp/fanos_shared.c _build/obj/cxx-dbg/cpp/fanos_shared.o
[15/39] cxx dbg '' cpp/fanos.cc _build/obj/cxx-dbg/cpp/fanos.o
[16/39] cxx dbg '' mycpp/mark_sweep_heap.cc _build/obj/cxx-dbg/mycpp/mark_sweep_heap.o
[17/39] cxx dbg '' _gen/frontend/syntax.asdl.cc _build/obj/cxx-dbg/_gen/frontend/syntax.asdl.o
[18/39] cxx dbg '' cpp/frontend_flag_spec.cc _build/obj/cxx-dbg/cpp/frontend_flag_spec.o
[19/39] cxx dbg '' cpp/core.cc _build/obj/cxx-dbg/cpp/core.o
[20/39] cxx dbg '' cpp/frontend_pyreadline.cc _build/obj/cxx-dbg/cpp/frontend_pyreadline.o
[21/39] cxx dbg '' cpp/libc.cc _build/obj/cxx-dbg/cpp/libc.o
[22/39] cxx dbg '' cpp/pylib.cc _build/obj/cxx-dbg/cpp/pylib.o
[23/39] cxx dbg '' cpp/osh_tdop.cc _build/obj/cxx-dbg/cpp/osh_tdop.o
[24/39] cxx dbg '' cpp/frontend_match.cc _build/obj/cxx-dbg/cpp/frontend_match.o
[25/39] cxx dbg '' cpp/osh.cc _build/obj/cxx-dbg/cpp/osh.o
[26/39] cxx dbg '' cpp/pgen2.cc _build/obj/cxx-dbg/cpp/pgen2.o
[27/39] cxx dbg '' _gen/data_lang/nil8.asdl.cc _build/obj/cxx-dbg/_gen/data_lang/nil8.asdl.o
[28/39] cxx dbg '' _gen/frontend/arg_types.cc _build/obj/cxx-dbg/_gen/frontend/arg_types.o
[29/39] cxx dbg '' _gen/frontend/consts.cc _build/obj/cxx-dbg/_gen/frontend/consts.o
[30/39] cxx dbg '' cpp/stdlib.cc _build/obj/cxx-dbg/cpp/stdlib.o
[31/39] cxx dbg '' _gen/frontend/help_meta.cc _build/obj/cxx-dbg/_gen/frontend/help_meta.o
[32/39] cxx dbg '' _gen/frontend/signal.cc _build/obj/cxx-dbg/_gen/frontend/signal.o
[33/39] cxx dbg '' _gen/osh/arith_parse.cc _build/obj/cxx-dbg/_gen/osh/arith_parse.o
[34/39] cxx dbg '' _gen/bin/oils_for_unix.mycpp-main.cc _build/obj/cxx-dbg/_gen/bin/oils_for_unix.mycpp-main.o
[35/39] cxx dbg '' mycpp/gc_str.cc _build/obj/cxx-dbg/mycpp/gc_str.o
[36/39] cxx dbg '' _gen/ysh/grammar_tables.cc _build/obj/cxx-dbg/_gen/ysh/grammar_tables.o
[37/39] cxx dbg '' _gen/bin/oils_for_unix.mycpp.cc _build/obj/cxx-dbg/_gen/bin/oils_for_unix.mycpp.o
[38/39] LINK cxx dbg '' _bin/cxx-dbg/bin/oils_for_unix.mycpp _build/obj/cxx-dbg/_gen/bin/oils_for_unix.mycpp-main.o _build/obj/cxx-dbg/_gen/bin/oils_for_unix.mycpp.o _build/obj/cxx-dbg/_gen/bin/text_files.o _build/obj/cxx-dbg/_gen/core/runtime.asdl.o _build/obj/cxx-dbg/_gen/core/value.asdl.o _build/obj/cxx-dbg/_gen/cpp/build_stamp.o _build/obj/cxx-dbg/cpp/core.o _build/obj/cxx-dbg/cpp/data_lang.o _build/obj/cxx-dbg/cpp/fanos.o _build/obj/cxx-dbg/cpp/fanos_shared.o _build/obj/cxx-dbg/cpp/frontend_flag_spec.o _build/obj/cxx-dbg/cpp/frontend_match.o _build/obj/cxx-dbg/cpp/frontend_pyreadline.o _build/obj/cxx-dbg/cpp/libc.o _build/obj/cxx-dbg/cpp/osh.o _build/obj/cxx-dbg/cpp/osh_tdop.o _build/obj/cxx-dbg/cpp/pgen2.o _build/obj/cxx-dbg/cpp/pylib.o _build/obj/cxx-dbg/cpp/stdlib.o _build/obj/cxx-dbg/_gen/data_lang/nil8.asdl.o _build/obj/cxx-dbg/_gen/display/pretty.asdl.o _build/obj/cxx-dbg/_gen/frontend/arg_types.o _build/obj/cxx-dbg/_gen/frontend/consts.o _build/obj/cxx-dbg/_gen/frontend/help_meta.o _build/obj/cxx-dbg/_gen/frontend/id_kind.asdl.o _build/obj/cxx-dbg/_gen/frontend/signal.o _build/obj/cxx-dbg/_gen/frontend/syntax.asdl.o _build/obj/cxx-dbg/mycpp/bump_leak_heap.o _build/obj/cxx-dbg/mycpp/gc_iolib.o _build/obj/cxx-dbg/mycpp/gc_mylib.o _build/obj/cxx-dbg/mycpp/gc_builtins.o _build/obj/cxx-dbg/mycpp/gc_mops.o _build/obj/cxx-dbg/mycpp/gc_str.o _build/obj/cxx-dbg/mycpp/hash.o _build/obj/cxx-dbg/mycpp/mark_sweep_heap.o _build/obj/cxx-dbg/_gen/osh/arith_parse.o _build/obj/cxx-dbg/_gen/ysh/grammar_tables.o
[39/39] SYMLINK _bin/cxx-dbg/osh bin/oils_for_unix.mycpp
'_bin/cxx-dbg/osh' -> 'bin/oils_for_unix.mycpp'
parent/client BEFORE (PID 6812)
total 0
lr-x------ 1 uke uke 64 Jun 25 15:02 0 -> pipe:[23624]
l-wx------ 1 uke uke 64 Jun 25 15:02 1 -> /home/uke/oil/_tmp/soil/logs/headless.txt
l-wx------ 1 uke uke 64 Jun 25 15:02 2 -> /home/uke/oil/_tmp/soil/logs/headless.txt
l-wx------ 1 uke uke 64 Jun 25 15:02 3 -> /home/uke/oil/_tmp/soil/INDEX.tsv
lrwx------ 1 uke uke 64 Jun 25 15:02 4 -> socket:[22419]
lrwx------ 1 uke uke 64 Jun 25 15:02 5 -> socket:[22420]
parent/client AFTER (PID 6812)
total 0
lr-x------ 1 uke uke 64 Jun 25 15:02 0 -> pipe:[23624]
l-wx------ 1 uke uke 64 Jun 25 15:02 1 -> /home/uke/oil/_tmp/soil/logs/headless.txt
l-wx------ 1 uke uke 64 Jun 25 15:02 2 -> /home/uke/oil/_tmp/soil/logs/headless.txt
l-wx------ 1 uke uke 64 Jun 25 15:02 3 -> /home/uke/oil/_tmp/soil/INDEX.tsv
lrwx------ 1 uke uke 64 Jun 25 15:02 4 -> socket:[22419]
[headless_demo.py] stdout_fd = 6
child/server (PID 6815)
total 0
lrwx------ 1 uke uke 64 Jun 25 15:02 0 -> socket:[22420]
lrwx------ 1 uke uke 64 Jun 25 15:02 1 -> socket:[22420]
l-wx------ 1 uke uke 64 Jun 25 15:02 2 -> /home/uke/oil/_tmp/soil/logs/headless.txt
l-wx------ 1 uke uke 64 Jun 25 15:02 3 -> /home/uke/oil/_tmp/soil/INDEX.tsv
[FANOS] Connect stdin and stdout to one end of socketpair() and send control messages.  osh writes debug messages (like this one) to stderr.
[FANOS] received blob 'GETPID'
[headless_demo.py] reply b'OK 6815'
[FANOS] received blob 'EVAL echo hi'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL echo !!'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL echo one\necho two\necho three\n'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL echo 1;\necho 2;\necho 3\n'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL ( \necho subshell\n)\n'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL ls --color=auto'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL read x'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL echo "x: $x"'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL ('
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL zzZZ'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL declare -X'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL echo PS1=${PS1@P}'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL echo $? $PWD'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL break'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL continue'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL return'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply b'OK '
[FANOS] received blob 'EVAL exit'
[FANOS] received descriptor 7
[FANOS] received descriptor 8
[FANOS] received descriptor 9
[headless_demo.py] reply None