From: "ara.t.howard" <ara.t.howard@...>
Date: 2008-08-15T02:19:19+09:00
Subject: Re: Idiom of removing a particular character from a String?


On Aug 14, 2008, at 8:21 AM, Lorenzo E. Danielsson wrote:

> Hi all,
>
> Is there any particular idiom for removing a particular character  
> from a
> string *by index* and returning the resulting string? The following
> makes my old eyes sore:
>
> rem = str.clone
> rem[i] = ""
> rem
>
> as does this:
>
> rem = str.scan(/./)
> rem.delete_at(i)
> rem.to_s
>
> It seems there should be some more idiomatic way to do this, something
> like str.annihilate_char_at_index_possibly_without_a_bang(i), read as
> String#delete_at(i) and String#delete_at!(i). Of course these methods
> don't exist, and "".methods doesn't turn up anything interesting. So
> what is a *decent* way of performing this?
>
> Lorenzo

don't do it by index

   string.tr! chars, ''



a @ http://codeforpeople.com/
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