Detecting Binary content in files

Josh Dukes josh.dukes at microvu.com
Tue Mar 31 19:23:51 CEST 2009


s/if ord(b) > 127/if ord(b) > 127 or ord(b) < 32/


On Tue, 31 Mar 2009 10:19:44 -0700
Josh Dukes <josh.dukes at microvu.com> wrote:

> There might be another way but off the top of my head:
> 
> #!/usr/bin/env python
> 
> def isbin(filename):
>    fd=open(filename,'rb')
>    for b in fd.read():
>        if ord(b) > 127:
>            fd.close()
>            return True
>    fd.close()
>    return False
> 
> for f in ['/bin/bash', '/etc/passwd']:
>    print "%s is binary: " % f, isbin(f)
> 
> 
> Of course this would detect unicode files as being binary and maybe
> that's not what you want. How are you thinking about doing it in
> perl exactly? 
> 
> 
> On Tue, 31 Mar 2009 09:23:05 -0700 (PDT)
> ritu <ritu_bhandari27 at yahoo.com> wrote:
> 
> > Hi,
> > 
> > I'm wondering if Python has a utility to detect binary content in
> > files? Or if anyone has any ideas on how that can be accomplished? I
> > haven't been able to find any useful information to accomplish this
> > (my other option is to fire off a perl script from within m python
> > script that will tell me whether the file is binary), so any
> > pointers will be appreciated.
> > 
> > Thanks,
> > Ritu
> > --
> > http://mail.python.org/mailman/listinfo/python-list
> 
> 


-- 

Josh Dukes
MicroVu IT Department



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