From: spooq <spoooq@...>
Date: 2006-11-14T19:45:02+09:00
Subject: Re: capitalize bug?

foo = "do_it_now"
foo.gsub(/_+(.)/, $1.upcase)
=> "doNtNow"

On 11/14/06, Carlos <angus@quovadis.com.ar> wrote:
> Jean-pierre Riviere wrote:
> > Hi!
> >
> > I'm a new member here, though I use and enjoy ruby for about three
> > years. There's a beginning to everyuthing, including thing not doing the
> > way you think they should, even in ruby!
> >
> > So here's my problem:
> >
> > @nom = wnom.gsub(/_+(.)/, '\1'.upcase)
>
> The parameters to gsub are: 1. a regex, 2. the result of '\1'.upcase
> (that is, '\1').
>
> > What this code should do is taking the string wnom, and removing every _
> > and at the same time capitalizing the letter immediatly after.
> >
> > for instance do_it_now would become doItNow. One way to translate ruby
> > usage into camel case.
> >
> > but this code does in fact producte doitnow instead of doItNow.
> >
> > Now, I am not blocked, because I have achieved my goal with this code:
> >
> > nom = wnom.gsub(/_+(.)/) { |deb| deb[1, 1].upcase }
>
> If you want to substitute the substring with the result of applying a
> function to it, your only choice is to use the block parameter to gsub,
> yes. (Did the previous sentence parse?) Another possibility is to use
> $1.upcase.
>
> HTH
> --
>
>
>