problem with read() write()

Zeynel azeynel1 at gmail.com
Sat Oct 31 09:46:09 EDT 2009


On Oct 31, 9:23 am, "Alf P. Steinbach" <al... at start.no> wrote:
> * Zeynel:
>
>
>
>
>
> > Hello,
>
> > I've been studying the official tutorial, so far it's been fun, but
> > today I ran into a problem with the write(). So, I open the file pw
> > and write "hello" and read:
>
> > f = open("pw", "r+")
> > f.write("hello")
> > f.read()
>
> > But read() returns a bunch of what looks like meta code:
>
> > "ont': 1, 'center_insert_even\xc4\x00K\x02\xe8\xe1[\x02z\x8e
> > \xa5\x02\x0b
> > \x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0 0'QUEUE'\np1\n
> > (S'exec' ....
>
> > What am I doing wrong? Thank you.
>
> After the 'write' the current position in the file is after the "hello", so
> reading will read further content from there.
>
> The following works (disclaimer: I'm utter newbie in Python, and didn't consult
> the documentation, and it's the first time I've seen the Python 'open'):
>
> f = open("pw", "r+")
> f.write( "hello" )
> f.seek( 0 )  # Go back to start of file
> f.read()
> f.close()
>
> Cheers & hth.,
>
> - Alf

Thanks, but it didn't work for me. I still get the meta file. Although
I see that "hello" is there.



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