code to parse a file

[Pedro Silva]

Hi

I had write some code in a Python Method, a Zope Product, that will open a file and will read line-by-line and check if some string is in that line, if yes, it will return the line to a variable. 
The code I write is:

        f=open('/var/spool/news/articles/esoterica/geral/1','r')
        for lines in f.readline():
            if string.find('From:'):
                from=lines
            if string.find('Subject:'):
                sub=lines
            if string.find('Date:'):
                date=lines
            if string.find('Xref:'):
                f.seek(0,2)
                for text in f.read():
                        cont=text
        return from,sub,date,cont

Is this code correct to do what I pretend?
If not, can anyone help me to solve this?

Please send your answers to: psilva at ruido-visual.pt

Thanks,

Pedro
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