downloading files

[Ehsan]

On Aug 3, 10:10 pm, Steve Holden <st... at holdenweb.com> wrote:
> Ehsan wrote:
> > I foundd this code in ASPN  Python Cookbook for downloading files in
> > python but when it finished downloading files the files became
> > corrupted and didn't open, the files in internet havn't any problem:
>
> > def download(url,fileName):
> >    """Copy the contents of a file from a given URL
> >    to a local file.
> >    """
> >    import urllib
> >    webFile = urllib.urlopen(url)
> >    localFile = open(fileName, 'w')
> >    localFile.write(webFile.read())
> >    webFile.close()
> >    localFile.close()
> > download('http://www.2shared.com/download/1839752/cd520048/
> > xpersia14.3gp?tsid=20070803-143313-49566ea2', 'xpersia4.3gp' )
>
> I'm guessing there are binary files and you are running on Windows,
> which is inserting a carriage return before ebery newline. Try
>
>         localFile = open(fileName, 'wb')
>
> to avoid thus behavior.
>
> regards
>   Steve
> --
> Steve Holden        +1 571 484 6266   +1 800 494 3119
> Holden Web LLC/Ltd          http://www.holdenweb.com
> Skype: holdenweb      http://del.icio.us/steve.holden
> --------------- Asciimercial ------------------
> Get on the web: Blog, lens and tag the Internet
> Many services currently offer free registration
> ----------- Thank You for Reading -------------- Hide quoted text -
>
> - Show quoted text -

thanx Steve
It works but could you explain more what's wrong with just 'w'?