[Tutor] reading file, adding to each line, writing file

[OkaMthembo]

Hmm...thanks Kent. Could use such information myself. I did feel that my
code was bloated or could be tweaked somehow.

Ha...there i double posted again :( Am having trouble paying attention
today.

On Wed, Feb 4, 2009 at 5:42 PM, Kent Johnson <kent37 at tds.net> wrote:

> On Wed, Feb 4, 2009 at 10:18 AM, OkaMthembo <zebra05 at gmail.com> wrote:
> > The following is adapted from my humble text processing script that i use
> at
> > work for a recurring task of mine. Any excuse not to use Java all day :)
> >
> > There was an error with my other posts. Pardon the triple posting - won't
> > happen again soon.
> >
> >
> >
> >     file_1 = open('step2', 'r+')
> >     lines = file_1.readlines()
> >     sentences = []
> >     for line in lines:
> >         if line:
>
> I don't think line will ever be empty, so this test is not needed.
>
> >             sentences.insert(len(sentences), line + '-d')
>
> sentences.append(line + '-d') is simpler. Note this appends after the
> newline so it is not really what the OP wants.
>
> >     file_1.close()
> >     file_2 = open('pyout', 'w+')
> >     if len(sentences) > 0:
>
> This test is not needed, if sentences is empty the for statement won't
> do anything.
>
> >         for sentence in sentences:
> >             file_2.write(sentence)
>
> The loop could be replaced with
> file_2.writelines(sentences)
>
> Kent
>



-- 
Lloyd Dube
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