From: tony summerfelt <snowzone5@...>
Date: 2006-08-14T21:00:22+09:00
Subject: Re: [good] Re: ruby equiv of perl pos

On Mon, 14 Aug 2006 14:20:10 +0900, you wrote:

>Logan Capaldo ha escrito:
>
>> How about:
>>
>> new_string = ""
>> string.scan(/\0/) do |m|
>>    new_string = "%o" % $~.offset(0).first
>> end
>
>That should work okay (well, it should be new_string << ..., thou).
>I'll admit I was unaware of MatchData's offset method.  That's cool.
>Using string.scan() should be only slightly slower than the
>while/index() loop do to the inherent yield in scan {}.
>If you are comming from Perl, I would also recommend to stick with
>Regexp.last_match instead of $~ for clarity.  I did 5+ years of Perl
>but I'll be damned if I remember what all the $symbol vars stand for
>without looking them up.
>

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