Re: [Sheflug] Read mackintosh jpg file under linux

[Peter Collier <pecb [at] xxxxxxxxxxxxx>]

On Sunday 11 December 2005 20:17, Ted Harding wrote:
> On 11-Dec-05 Peter Collier wrote:
> > On Sunday 11 December 2005 14:54, John Southern wrote:
> >> > On Saturday 10 Dec 2005 23:55, Peter Collier wrote:
> >> > > Hi all, I've received 4 jpg files from an american firm who
> >> > > were doing a "shoot" at my firm. These files came from a mac
> >> > > computer and I can't view them. I've looked at macutils
> >> > > package, googled around for a couple of days but can't make
> >> > > sense as to what to do.
> >
> > snip.
> >
> >> You can convert Apple Mac PICT/JPEG files with jpeg2ps or
> >> picttpppm
> >>
> >> In some cases it is a JFIF file but with the usual MacBinary
> >> header (Just take off the first 128 bytes to remove this).
> >>
> >> PICT is lossless but also has very poor compression.
> >>
> >> John
> >
> > I've tried jpeg2ps but I end up with a 0 bytes file. Opening with
> > kate the top line of the file says, This file must be opened with
> > BinHex ver 4.0. Running binhex on these files gives the message
> > File is not a MacBinary. A bit of a contradiction?
> > The first 3 lines are:-
> >
> > (This file must be converted with BinHex 4.0)
> >
> >:$%P04e!e0$Fb,QT`C`"+8%9(!!!!!!!!!!,eT!!!!!#TaIrBrq(Xfd9iD [at] B!!%e
> >
> > I'm not sure when you say to delet the first 128 bytes, what in the
> > represents 128 bytes.
> >
> > Peter C
>
snip
>
> Anyway, assuming that you need to strip the first 128 bytes,
> one way to do it is to use "dd":
>
>   dd if=YourMacFile of=YourLinuxFile bs=1 skip=128
>
> (replacing "YourMacFile" with its filename, and "YourLinuxFile"
> with the name you want to give the new one). The key is that
> "bs=1" sets the block size to a single byte, so that the
> "skip=128" tells it to skip the first 128 blocks i.e. bytes.
>
snip
Thanks for the help so far everyone.
OK, trimmed off 128 bytes, still can't view file with any viewer, tried 
jpeg2ps after removing 128 byte but it complains that it has no SOI 
marker, not a jpeg file. BinHex still says not a MacBinary, yet first 
line says file must be converted with BinHex?
	Nearly goes for the bottle! 

Peter C
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