From: nobu.nokada@...
Date: 2004-04-27T23:40:12+09:00
Subject: Re: String#unpack and null-terminated strings

Hi,

At Tue, 27 Apr 2004 06:54:03 +0900,
daz wrote in [ruby-talk:98456]:
> > > s = "abc\0def\0\0jkl\0"
> > >
> > > s.unpack('Z6Z*Z*')  #-> ["abc", "f", ""]
> >
> > It can't round trip with Array#pack, so I discarded this plan.
> 
> But the user has specified that the first field is
> fixed-width(6) and null-terminated so:
> 
>    "abc\000de" == "abc\000\000\000" ==> "abc"
> 
> Everything from "\000" to the end of the field is junk
> because the user told us so by using 'Z'.
> 
> We don't need to apologise that pack didn't replace the
> exact junk that was there before :-?

Hmmm, sounds reasonable.

-- 
Nobu Nakada