[Tutor] how to split/partition a string on keywords?

[David Rock]

* eryksun <eryksun at gmail.com> [2012-08-23 17:02]:
> On Thu, Aug 23, 2012 at 3:05 PM, Jared Nielsen <nielsen.jared at gmail.com> wrote:
> > Hi all,
> > I'm new to programming and Python.
> > I want to write a script that takes a string input and breaks the string at
> > keywords then outputs the pieces on separate lines.
> 
> This is just for printing? You can use replace():
> 
> >>> text = "Ham and cheese omelette with hasbrowns and coffee."
> >>> print text.replace(" and ", "\nand\n")
> Ham
> and
> cheese omelette with hasbrowns
> and
> coffee.

I like that :-)

If you aren't just printing, and want to use partition you will need to do some
recursion (I assume that's the expected use case for partition).  

def repart(text):
    parts = text.partition('and')
    if parts[0] == text:
        return (parts[0],) 
    else:
        return parts[:-1] + repart(parts[-1]) 
        
        
if __name__ == '__main__':
    text = "Ham and cheese omelette with hasbrowns and coffee."
    parts = repart(text)

    for part in parts:
        print part.strip() # Clean up whitespace when printing.


-- 
David Rock
david at graniteweb.com