[%1] PID 4107 Done
status = 99
status = 127
.pids [4109, 4110]
job_ids [1, 2]
i=8
[%2] PID 4110 Done
i=9
[%1] PID 4109 Done
.pids [4113, 4114, 4116]
job_ids [1, 2, 3]
i=7
[%3] PID 4116 Done
i=8
[%2] PID 4114 Done
.pids [4119, 4120]
job_ids [1, 2]
i=9
oils: PID 4113 exited, but oils didn't start it
i=8
[%2] PID 4120 Done
i=9
[%1] PID 4119 Done
.pids [4123, 4124, 4126]
job_ids [1, 2, 3]
i=7
[%3] PID 4126 Done
i=8
[%2] PID 4124 Done
i=9
[%1] PID 4123 Done
..  uniq -c
  ^~~~
process_test.py:1: Command 'uniq' not found (OILS-ERR-100)
pipe_status: [-1, -1, -1, 127]
.  head
  ^~~~
process_test.py:1: Command 'head' not found (OILS-ERR-100)
  ls
  ^~
process_test.py:1: Command 'ls' not found (OILS-ERR-100)
  head
  ^~~~
process_test.py:1: Command 'head' not found (OILS-ERR-100)
  cat
  ^~~
  sort --reverse
  ^~~~
process_test.py:1: Command 'cat' not found (OILS-ERR-100)
process_test.py:1: Command 'sort' not found (OILS-ERR-100)
.  cat
  ^~~
process_test.py:1: Command 'cat' not found (OILS-ERR-100)
('BEFORE', ['0', '1', '2', '3', '4'])
('AFTER', ['0', '1', '2', '3', '4'])
------------------------------------------------------------
ls | cut -d . -f 1 | head
[-1, -1, 127]
[-1, -1, -1, 127]
.  cat
  ^~~
process_test.py:1: Command 'cat' not found (OILS-ERR-100)
('BEFORE', ['0', '1', '2', '3', '4'])
('AFTER', ['0', '1', '2', '3', '4'])
------------------------------------------------------------
ls | cut -d . -f 1 | head
[-1, -1, 127]
[-1, -1, -1, 127]
Sat Apr 26 21:51:22 UTC 2025
date returned 0
[??? no location ???] Can't execute 'does-not-exist': No such file or directory
..
----------------------------------------------------------------------
Ran 11 tests in 0.392s

OK
('BEFORE', ['0', '1', '2', '3', '4'])
('AFTER', ['0', '1', '2', '3', '4'])
------------------------------------------------------------
ls | cut -d . -f 1 | head
[-1, -1, 127]
[-1, -1, -1, 127]
('FDS BEFORE', ['0', '1', '2', '3', '4'])
------------------------------------------------------------
date
------------------------------------------------------------
does-not-exist
127
('FDS AFTER', ['0', '1', '2', '3', '4'])