From: Robert Klemme <bob.news@...>
Date: 2004-09-23T21:44:39+09:00
Subject: Re: negative numbers and binary formats


"Florian Gross" <flgr@ccan.de> schrieb im Newsbeitrag
news:2rfrmgF18j1b3U1@uni-berlin.de...
> Robert Klemme wrote:
>
> > After a bit experimenting I came up with this:
> >>>[-7].pack("i").unpack("h*").shift.reverse.gsub(/^f+(?=f)/, '')
> >
> > => "f9"
> >
> >>>[-7000000].pack("i").unpack("h*").shift.reverse.gsub(/^f+(?=f)/, '')
> >
> > => "f953040"
> >
> > Florian, what do you think?
>
> Very nice, thank you. I wasn't aware of the range limit at first. Only
> thing I would change is using .first instead of .shift. (For clarity)

:-))  I deliberately choose #shift in order to make the array a bit
smaller and remove all unnecessary references to the string - kind of GC
paranoid. :-)

Regards

    robert