On Mon, 2010-03-01 at 17:28 +0100, Alexander Wagner wrote: 
> Ben Hague wrote:
> 
> Hi!
> 
> >> VB is windows only, and distribution unzip, well at some point we'll end 
> >> up with a ready to run Linux CD just to run Scid. The canonical tool 
> >> would just be unzip for ZIP, but people might think using other 
> >> compression tools.
> > 
> > Well, looking into it further it does appear that TCL 8.6 will include
> > unzipping by default, if I understand http://wiki.tcl.tk/4610 correctly,
> > so any external program would only be short-term. I was thinking of
> > using unzip where it can be reasonably be expected to be found and
> > adding one where it can't. There doesn't seem to be a nice way to do
> > it.
> 
> That could be a way. However, I'd not add unzip to the Scid distribution 
> but a pointer where to get it. I'd add a stanza in the config which 
> tells scid which unzip to use and a config dialogue where you can set it up.
> 

I've just been experimenting with unzipping, and it does seem reasonably
easy to do using unzip. However, what really interested me was that in
the process I came across zlib. This has functions that will unzip zip
files, and also appears to be cross-platform. I hadn't seen this before,
it looks like it came in for Scid Pocket. Does anyone know if this
appears in all versions of Scid? I've tried to build miniunz against it
on Linux, and that worked and unzipped one of the TWIC files.

Ben Hague


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