[Tutor] Problem Stripping

[Prasad, Ramit]

> Python 2.4.3 on Red Hat 5. Trying to use strip to remove characters
> but it doesn't seem to work like I thought.
> 
> 
> res = subprocess.Popen(['uname', '-a'], stdout=subprocess.PIPE)
> uname = res.stdout.read().strip()
> 
> >>> uname
> 'Linux myserver 2.6.18-274.el5PAE #1 SMP Fri Jul 8 17:59:09 EDT 2011
> i686 i686 i386 GNU/Linux'
> 
> >>> uname.strip(':')
> 'Linux myserver 2.6.18-274.el5PAE #1 SMP Fri Jul 8 17:59:09 EDT 2011
> i686 i686 i386 GNU/Linux'
> 
> >>> 'www.example.com'.strip('cmowz.')
> 'example'
> 
> Thoughts?

Read the documentation. It is excellent and explains this behavior.
http://docs.python.org/library/string.html

If you are trying to remove ':' from the result of uname what you 
really want is uname.replace(':','')

Ramit


Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
712 Main Street | Houston, TX 77002
work phone: 713 - 216 - 5423

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