>
> From: MRAB <pyt...@mrabarnett.plus.com>
> To: python-list@python.org
> Date: Wed, 16 Jun 2010 03:06:58 +0100
> Subject: Re: Python editing .txt file
> 187braintr...@berkeley.edu wrote:
>
>> I am trying to write a program in Python that will edit .txt log files
>> that contain regression output from R. Any thoughts or suggestions would be
>> greatly appreciated.
>>
>
> How's this:
>
> input_file = open(input_path)
> output_file = open(output_path, "w")
> for line in input_file:
> if line.startswith("factor("):
> open_paren = line.find("(")
> close_paren = line.find(")")
> variable = line[open_paren + 1 : close_paren]
> output_file.write("*** Factors for %s ***\n" % variable)
> prefix = line[ : close_paren + 1]
> while line.startswith(prefix):
> line = input_file.readline()
> output_file.write(line)
> input_file.close()
> output_file.close()
Thank you very much for your reply. This code works perfectly, except that
the "line = input_file.readline()" part causes an error: "ValueError: Mixing
iteration and read methods would lose data." I've been working on figuring
out a work around. Do you have any ideas?
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