changing current dir and executing a shell script

[Thorsten Kampe]

* suresh (Fri, 27 May 2011 14:25:52 -0700 (PDT))
> I want to execute the following command line stuff from inside python. 
> $cd directory
> $./executable
> 
> I tried the following but I get errors
> import subprocess
> subprocess.check_call('cd dir_name;./executable')
> 
> Due to filename path issues, I cannot try this version.
> subprocess.check_call('./dir_name/executable')

os.chdir?