On 10/01/2013 09:31, Hugo Arts wrote:
On Thu, Jan 10, 2013 at 7:01 AM, Karim <kliat...@gmail.com
<mailto:kliat...@gmail.com>> wrote:
Hello all,
I want to run multiline shell command within python without using
a command file but directly execute several lines of shell.
I already use *subprocess.checkoutput("csh -f
my_file.csh".split())* but I want to know if it is posssible to
avoid making file and execute
shell lines of code directly.
Yes, this is very possible. Specify shell=True as an argument and you
can do anything you can do in a shell:
>>> commands = """echo hello
... echo hello | wc -l
... ps aux | grep python"""
>>> b = subprocess.check_output(commands, shell=True)
>>> print(b.decode('ascii'))
hello
1
hugo 1255 1.0 0.6 777316 49924 ? Sl 09:14 0:08
/usr/bin/python2 /usr/bi
hugo 6529 0.0 0.0 42408 7196 pts/0 S+ 09:23 0:00 python
hugo 6559 0.0 0.0 10656 1128 pts/0 S+ 09:28 0:00 grep python
>>>
watch out though, accepting user input into the commands variable will
lead to shell injection, which can be a dangerous security vulnerability.
HTH,
Hugo
Many thanks Hugo. It makes my day!
In my case there are no possibilities for shell injection. It is
internal to a class.
Regards
Karim
--
http://mail.python.org/mailman/listinfo/python-list
