. uniq -c ^~~~ process_test.py:1: 'uniq' not found pipe_status: [-1, -1, -1, 127] . head ^~~~ process_test.py:1: 'head' not found head ^catls ~~~ ^ ~~ ^ sort --reverse~ ^process_test.py:1: 'cat' not found ~~~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 ^~~~ process_test.py:1: Can't execute 'does-not-exist': No such file or directory uniq -c ^E~~~ process_test.py:1: Can't execute 'does-not-exist': No such file or directory EE.. ====================================================================== ====================================================================== ERROR: testPipeline2 (__main__.ProcessTest) ---------------------------------------------------------------------- ERROR: testPipeline2 (__main__.ProcessTest)Traceback (most recent call last): File "core/process_test.py", line 150, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 880, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 837, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 581, in Run sys.exit(status) SystemExit: 127 ----------------------------------------------------------------------====================================================================== Traceback (most recent call last): File "core/process_test.py", line 150, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 880, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 837, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 581, in Run sys.exit(status) SystemExit: 127 ERROR: testProcess (__main__.ProcessTest) ======================================================================---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 101, in testProcess print(p.Run(_WAITER)) File "/home/andy/git/oilshell/oil/core/process.py", line 760, in Run self.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 542, in Run self.ext_prog.Exec(self.argv0_path, self.arg_vec, self.environ) File "/home/andy/git/oilshell/oil/core/process.py", line 441, in Exec self._Exec(argv0_path, arg_vec.strs, arg_vec.spids[0], environ, True) File "/home/andy/git/oilshell/oil/core/process.py", line 501, in _Exec sys.exit(status) # raises SystemExit SystemExit: 127 ERROR: testProcess (__main__.ProcessTest) -------------------------------------------------------------------------------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 101, in testProcess print(p.Run(_WAITER)) File "/home/andy/git/oilshell/oil/core/process.py", line 760, in Run self.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 542, in Run self.ext_prog.Exec(self.argv0_path, self.arg_vec, self.environ) File "/home/andy/git/oilshell/oil/core/process.py", line 441, in Exec self._Exec(argv0_path, arg_vec.strs, arg_vec.spids[0], environ, True) File "/home/andy/git/oilshell/oil/core/process.py", line 501, in _Exec sys.exit(status) # raises SystemExit SystemExit: 127 ---------------------------------------------------------------------- Ran 5 tests in 0.009s Ran 5 tests in 0.009s FAILEDFAILED (errors=2) (errors=2) . ====================================================================== ERROR: testPipeline2 (__main__.ProcessTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 150, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 880, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 837, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 581, in Run sys.exit(status) SystemExit: 127 ====================================================================== ERROR: testProcess (__main__.ProcessTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "core/process_test.py", line 101, in testProcess print(p.Run(_WAITER)) File "/home/andy/git/oilshell/oil/core/process.py", line 760, in Run self.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 542, in Run self.ext_prog.Exec(self.argv0_path, self.arg_vec, self.environ) File "/home/andy/git/oilshell/oil/core/process.py", line 441, in Exec self._Exec(argv0_path, arg_vec.strs, arg_vec.spids[0], environ, True) File "/home/andy/git/oilshell/oil/core/process.py", line 501, in _Exec sys.exit(status) # raises SystemExit SystemExit: 127 ---------------------------------------------------------------------- Ran 5 tests in 0.009s FAILED (errors=2) ...... ================================================================================================================================================================================================================== ERROR: testPipeline2 (__main__.ProcessTest)ERROR: testPipeline2 (__main__.ProcessTest)ERROR: testPipeline2 (__main__.ProcessTest) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Traceback (most recent call last): File "core/process_test.py", line 150, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 880, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 837, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 581, in Run sys.exit(status) SystemExit: 127 Traceback (most recent call last): File "core/process_test.py", line 150, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 880, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 837, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 581, in Run sys.exit(status) SystemExit: 127 Traceback (most recent call last): File "core/process_test.py", line 150, in testPipeline2 print(p.Run(_WAITER, _FD_STATE)) File "/home/andy/git/oilshell/oil/core/process.py", line 880, in Run self.Start(waiter) File "/home/andy/git/oilshell/oil/core/process.py", line 837, in Start pid = proc.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 581, in Run sys.exit(status) SystemExit: 127 -------------------------------------------------------------------------------------------------------------------------------------------- ---------------------------------------------------------------------- Ran 5 tests in 0.018sRan 5 tests in 0.018sRan 5 tests in 0.018s FAILEDFAILEDFAILED (errors=1) (errors=1) (errors=1) .Thu Dec 5 19:41:56 PST 2019 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 101, in testProcess print(p.Run(_WAITER)) File "/home/andy/git/oilshell/oil/core/process.py", line 760, in Run self.Start() File "/home/andy/git/oilshell/oil/core/process.py", line 723, in Start self.thunk.Run() File "/home/andy/git/oilshell/oil/core/process.py", line 542, in Run self.ext_prog.Exec(self.argv0_path, self.arg_vec, self.environ) File "/home/andy/git/oilshell/oil/core/process.py", line 441, in Exec self._Exec(argv0_path, arg_vec.strs, arg_vec.spids[0], environ, True) File "/home/andy/git/oilshell/oil/core/process.py", line 501, in _Exec sys.exit(status) # raises SystemExit SystemExit: 127 ---------------------------------------------------------------------- Ran 5 tests in 0.030s FAILED (errors=1) ('BEFORE', ['0', '1', '2', '3', '10']) ('AFTER', ['0', '1', '2', '3', '10']) ------------------------------------------------------------ ls | cut -d . -f 1 | head [-1, -1, 127] [-1, -1, -1, 127] ('FDS BEFORE', ['0', '1', '2', '3', '10']) ------------------------------------------------------------ date ------------------------------------------------------------ does-not-exist .. ---------------------------------------------------------------------- Ran 5 tests in 0.038s OK ('BEFORE', ['0', '1', '2', '3', '10']) ('AFTER', ['0', '1', '2', '3', '10']) ------------------------------------------------------------ ls | cut -d . -f 1 | head [-1, -1, 127] [-1, -1, -1, 127] ('FDS BEFORE', ['0', '1', '2', '3', '10']) ------------------------------------------------------------ date ------------------------------------------------------------ does-not-exist 1 ('FDS AFTER', ['0', '1', '2', '3', '10'])