without shell

Steven D'Aprano steve at REMOVETHIScyber.com.au
Fri Jun 10 16:05:46 CEST 2005


On Sun, 12 Jun 2005 23:16:35 +0530, km wrote:

> hi all,
> 
> can any linux command be invoked/  executed without using shell (bash) ?

py> import os
py> status = os.system("ls")

Prints the output of ls and stores the exit code into status.

py> file_list = os.popen("ls").read()

Stores the output of ls into file_list.

Or see the module "commands".

> what abt security concerns ? 

Yes, there are serious security concerns. You should be *very* careful
about executing strings generated by users. You probably don't want your
program executing something like os.system("rm -rf /").



-- 
Steven.





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