Subprocess command with pipes exception

[corey-dawson]

When running a system command in ipyterminal exceptions being thrown and no output being displayed. However, when running in a normal python terminal, there are no issues. Running python 3.8.3. Running ipyterminal in vs code jupyter notebook.

from subprocess import run, PIPE, Popen, check_output
cmd = "ls | grep test"
output = check_output(cmd)
print(output.decode('utf-8'))

Error in ipyterminal

FileNotFoundError Traceback (most recent call last) C:\Temp/ipykernel_13876/3338296859.py in 1 from subprocess import run, PIPE, Popen, check_output 2 cmd = "ls | grep test" ----> 3 output = check_output(cmd) 4 #print(output.stdout.decode('utf-8'))

c:\Users\S279376\Miniconda3\envs\analytics\lib\subprocess.py in check_output(timeout, *popenargs, **kwargs) 413 kwargs['input'] = empty 414 --> 415 return run(*popenargs, stdout=PIPE, timeout=timeout, check=True, 416 **kwargs).stdout 417

c:\Users\S279376\Miniconda3\envs\analytics\lib\subprocess.py in run(input, capture_output, timeout, check, *popenargs, **kwargs) 491 kwargs['stderr'] = PIPE 492 --> 493 with Popen(*popenargs, **kwargs) as process: 494 try: 495 stdout, stderr = process.communicate(input, timeout=timeout)

c:\Users\S279376\Miniconda3\envs\analytics\lib\subprocess.py in init(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, encoding, errors, text) 856 encoding=encoding, errors=errors) 857 ... -> 1311 hp, ht, pid, tid = _winapi.CreateProcess(executable, args, 1312 # no special security 1313 None, None,

FileNotFoundError: [WinError 2] The system cannot find the file specified