. uniq -c ^~~~ process_test.py:1: 'uniq' not found pipe_status: [-1, -1, -1, 127] . head ^~~~ process_test.py:1: 'head' not found cat ^~~ lshead process_test.py:1: 'cat' not found sort --reverse ^^ ^~~~ ~~~~ process_test.py:1: 'head' not found process_test.py:1: 'sort' not found process_test.py:1: 'ls' not found EEEdate returned 0 date returned 0 date returned 0 uniq -c ^~~~ process_test.py:1: Can't execute 'does-not-exist': No such file or directory uniq -c ^ ~~~ uniq -c ^~~~ process_test.py:1: Can't execute 'does-not-exist': No such file or directory process_test.py:1: Can't execute 'does-not-exist': No such file or directory EEE. ====================================================================== ERROR: testPipeline2 (__main__.ProcessTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 158, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 1046, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 995, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 712, in Run exit(status) SystemExit: 127 ====================================================================== ERROR: testProcess (__main__.ProcessTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 109, in testProcess print(p.Run(_WAITER)) File "/home/andy/git/oilshell/oil/core/process.py", line 913, in Run self.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 668, in Run self.ext_prog.Exec(self.argv0_path, self.cmd_val, self.environ) File "/home/andy/git/oilshell/oil/core/process.py", line 554, in Exec self._Exec(argv0_path, cmd_val.argv, cmd_val.arg_spids[0], environ, True) File "/home/andy/git/oilshell/oil/core/process.py", line 615, in _Exec exit(status) # raises SystemExit SystemExit: 127 ---------------------------------------------------------------------- .Ran 5 tests in 0.011s. FAILED (errors=2) ====================================================================== ====================================================================== ERROR: testPipeline2 (__main__.ProcessTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 158, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 1046, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 995, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 712, in Run exit(status) SystemExit: 127 ERROR: testPipeline2 (__main__.ProcessTest) ======================================================================---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 158, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 1046, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 995, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 712, in Run exit(status) SystemExit: 127 ERROR: testProcess (__main__.ProcessTest)====================================================================== ---------------------------------------------------------------------- ERROR: testProcess (__main__.ProcessTest)Traceback (most recent call last): File "core/process_test.py", line 109, in testProcess print(p.Run(_WAITER)) File "/home/andy/git/oilshell/oil/core/process.py", line 913, in Run self.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 668, in Run self.ext_prog.Exec(self.argv0_path, self.cmd_val, self.environ) File "/home/andy/git/oilshell/oil/core/process.py", line 554, in Exec self._Exec(argv0_path, cmd_val.argv, cmd_val.arg_spids[0], environ, True) File "/home/andy/git/oilshell/oil/core/process.py", line 615, in _Exec exit(status) # raises SystemExit SystemExit: 127 ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 109, in testProcess print(p.Run(_WAITER)) File "/home/andy/git/oilshell/oil/core/process.py", line 913, in Run self.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 668, in Run self.ext_prog.Exec(self.argv0_path, self.cmd_val, self.environ) File "/home/andy/git/oilshell/oil/core/process.py", line 554, in Exec self._Exec(argv0_path, cmd_val.argv, cmd_val.arg_spids[0], environ, True) File "/home/andy/git/oilshell/oil/core/process.py", line 615, in _Exec exit(status) # raises SystemExit SystemExit: 127 ---------------------------------------------------------------------- ---------------------------------------------------------------------- Ran 5 tests in 0.011sRan 5 tests in 0.011s FAILED (errors=2)FAILED (errors=2) .. ====================================================================== ERROR: testPipeline2 (__main__.ProcessTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 158, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 1046, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 995, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 712, in Run exit(status) SystemExit: 127 ---------------------------------------------------------------------- Ran 5 tests in 0.021s FAILED (errors=1) .. ====================================================================== ERROR: testPipeline2 (__main__.ProcessTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 158, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 1046, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 995, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 712, in Run exit(status) SystemExit: 127 ---------------------------------------------------------------------- Ran 5 tests in 0.022s FAILED (errors=1) .. ====================================================================== ERROR: testPipeline2 (__main__.ProcessTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 158, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 1046, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 995, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 712, in Run exit(status) SystemExit: 127 ---------------------------------------------------------------------- Ran 5 tests in 0.023s FAILED (errors=1) .Fri Nov 6 13:39:17 PST 2020 date returned 0 uniq -c ^~~~ process_test.py:1: Can't execute 'does-not-exist': No such file or directory E. ====================================================================== ERROR: testProcess (__main__.ProcessTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 109, in testProcess print(p.Run(_WAITER)) File "/home/andy/git/oilshell/oil/core/process.py", line 913, in Run self.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 867, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 668, in Run self.ext_prog.Exec(self.argv0_path, self.cmd_val, self.environ) File "/home/andy/git/oilshell/oil/core/process.py", line 554, in Exec self._Exec(argv0_path, cmd_val.argv, cmd_val.arg_spids[0], environ, True) File "/home/andy/git/oilshell/oil/core/process.py", line 615, in _Exec exit(status) # raises SystemExit SystemExit: 127 ---------------------------------------------------------------------- Ran 5 tests in 0.036s FAILED (errors=1) ('BEFORE', ['0', '1', '2', '3']) ('AFTER', ['0', '1', '2', '3']) ------------------------------------------------------------ ls | cut -d . -f 1 | head [-1, -1, 127] [-1, -1, -1, 127] ('FDS BEFORE', ['0', '1', '2', '3']) ------------------------------------------------------------ date ------------------------------------------------------------ does-not-exist .. ---------------------------------------------------------------------- Ran 5 tests in 0.047s OK ('BEFORE', ['0', '1', '2', '3']) ('AFTER', ['0', '1', '2', '3']) ------------------------------------------------------------ ls | cut -d . -f 1 | head [-1, -1, 127] [-1, -1, -1, 127] ('FDS BEFORE', ['0', '1', '2', '3']) ------------------------------------------------------------ date ------------------------------------------------------------ does-not-exist 1 ('FDS AFTER', ['0', '1', '2', '3'])