Hi. I've found it convenient to use the function below to make system
calls, as I sometimes the strings I need to pass as arguments confuse
the shell used in os.system. I was wondering whether it's worth passing
this upstream. The main problem with doing so is that I have no idea
how to implement it on Windows, as I can't use the os.fork and os.wait*
functions in that context.
Alex.
import os
def system(command, args, environ=os.environ):
'''The 'args' variable is a sequence of strings that are to be
passed as the arguments to the command 'command'.'''
# Fork off a process to be replaced by the command to be executed
# when 'execve' is run.
pid = os.fork()
if pid == 0:
# This is the child process; replace it.
os.execvpe(command, [command,] + args, environ)
# In the parent process; wait for the child process to finish.
return_pid, return_value = os.waitpid(pid, 0)
assert return_pid == pid
return return_value
if __name__ == '__main__':
print system('/bin/cat', ['/etc/hosts.allow', '/etc/passwd'])
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