From: anitawa <anitawa@...>
Date: 2007-08-16T06:40:06+09:00
Subject: Re: String parse

On Aug 14, 8:12 pm, Joel VanderWerf <vj...@path.berkeley.edu> wrote:
> James Edward Gray II wrote:
>
>
>
> > On Aug 14, 2007, at 6:00 PM, anitawa wrote:
>
> >> Hello,
>
> >> I want to be able to parse a string and put them into variables.
>
> >> for example, I have this string:
>
> >> "Menu: steak_and_egg | date: 0814 | who: Anita"
>
> >> I want to parse this string to assign variables like so:
>
> >> menu = "steak_and_egg"
> >> date = "0814"
> >> who = "Anita"
>
> >> What would be the fastest way of doing this.
>
> > This might work if your data isn't too complicated:
>
> >  >> str = "Menu: steak_and_egg | date: 0814 | who: Anita"
> > => "Menu: steak_and_egg | date: 0814 | who: Anita"
> >  >> Hash[*str.scan(/(\w+):\s*(\w+)/).flatten]
> > => {"date"=>"0814", "who"=>"Anita", "Menu"=>"steak_and_egg"}
>
> Might be more general than is needed. If you know in advance that the
> "fields" are menu, date, and who, then this will do:
>
> str = "Menu: steak_and_egg | date: 0814 | who: Anita"
> pat = /Menu: (\S+) \| date: (\S+) \| who: (\S+)/
>
> menu, date, who = str.scan(pat)[0]
>
> --
>        vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407

Thanks, just what i was looking for