From: David Balmain <dbalmain.ml@...>
Date: 2005-11-28T23:00:43+09:00
Subject: Re: Case of the missing bytes

Don't know if this'll help;

f = File.new(filename, "ab")

On 11/28/05, speechexpert <speechexpert@sbcglobal.net> wrote:
> As far as appending, I erase the file every time to start again.
> The problem is I n eed to pack the binary string and don't know how. (yet)
> JB
>
> ----- Original Message -----
> From: "David A. Black" <dblack@wobblini.net>
> To: "ruby-talk ML" <ruby-talk@ruby-lang.org>
> Sent: Sunday, November 27, 2005 8:59 PM
> Subject: Re: Case of the missing bytes
>
>
> > Hi --
> >
> > On Mon, 28 Nov 2005, speechexpert wrote:
> >
> >> Hi - Thanks for previous help, very useful.
> >>
> >> At this point I have a problem:
> >>
> >> I run Zlib (a compression class) on a string. It outputs a string of
> >> bytes (binary) Call it bout.  (bout = Zlib::Deflate.deflate(instr) )
> >> I go bout.length It is 19994
> >> Then I open a f = File.new(filename, "a")
> >> I go f.write(bout)
> >>
> >> At this point, the file is bigger than 19994.
> >>
> >> What gives??
> >>
> >> I know this is something simple, can anyone tell me what is going on?
> >>
> >> (I tried "ab"  for the mode, but didn't help.)
> >
> > "a" is going to append, so maybe if you've run your program twice
> > you've actually written the data twice to the file.  "w" will
> > overwrite the file if it already exists, so you probably want that.
> >
> >
> > David
> >
> > --
> > David A. Black
> > dblack@wobblini.net
> >
> >
>
>
>
>