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python | subprocess module| subprocess.Popen| run OS command using subprocess
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This video will explain about running OS command using subprocess module.
In this module, we are using subprocess.Popen.
The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older modules and functions:
class subprocess.Popen(args, bufsize=-1, executable=None, stdin=None, stdout=None, stderr=None, preexec_fn=None, close_fds=True, shell=False, cwd=None, env=None, universal_newlines=False, startupinfo=None, creationflags=0, restore_signals=True, start_new_session=False, pass_fds=(), *, encoding=None, errors=None)
If shell=True, on POSIX the executable argument specifies a replacement shell for the default /bin/sh.
A negative value -N indicates that the child was terminated by signal N (POSIX only).
In this module, we are using subprocess.Popen.
The subprocess module allows you to spawn new processes, connect to their input/output/error pipes, and obtain their return codes. This module intends to replace several older modules and functions:
class subprocess.Popen(args, bufsize=-1, executable=None, stdin=None, stdout=None, stderr=None, preexec_fn=None, close_fds=True, shell=False, cwd=None, env=None, universal_newlines=False, startupinfo=None, creationflags=0, restore_signals=True, start_new_session=False, pass_fds=(), *, encoding=None, errors=None)
If shell=True, on POSIX the executable argument specifies a replacement shell for the default /bin/sh.
A negative value -N indicates that the child was terminated by signal N (POSIX only).
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