On Friday, November 9, 2018 9:12:36 AM PST Robert Esnouf wrote:
>
> Without checking further, there is a "dd" option for swapping big-endian to little-endian... swab. This may simply be the issue...

DEC computers used a different floating point format.
Swapping endian-ness would be sufficient, although it might be required in addition.

        Ethan


>
> The output of od -x may help decode the header of the file...
>
> Regards,
> Robert
>
> --
>
> Dr Robert Esnouf
>
> University Research Lecturer,
> Director of Research Computing BDI,
> Head of Research Computing Core WHG,
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>
> -----Original Message-----
> From: "Pavel Afonine" <[log in to unmask]>
> To: [log in to unmask]
> Date: 09/11/18 13:54
> Subject: Re: [ccp4bb] VERY old mtz file..
>
> Now I see the value of storing data in plain text files even more (mind Shelx or X-plor formats, for example) -;)
>
>
> <Sorry for helpless comment. Couldn't resist as I've never liked non-human readable files.>
>
> On Fri, Nov 9, 2018 at 9:47 PM Clemens Vonrhein <[log in to unmask]> wrote:
>
> Hi Eleanor,
>
> You could try running the oldest MTZ2VARIOUS binary you can find -
> e.g.
>
>   wget ftp://ftp.ccp4.ac.uk/ccp4/4.2/binaries/ccp4-4.2_Linux.tar.gz
>   tar -xvf ccp4-4.2_Linux.tar.gz bin/mtz2various
>
>   bin/mtz2various hklin ...
>
> Any older binaries (ftp://ftp.ccp4.ac.uk/ccp4/4.0.1/) will require an
> SGI or Dec/Alpha machine ;-)
>
> If that doesn't help I would first check that it is actually a correct
> MTZ file: does the ASCII header (trailer) show up with
>
>   strings your.mtz
>
> towards the end?
>
> Cheers
>
> Clemens
>
> On Fri, Nov 09, 2018 at 12:47:09PM +0000, Eleanor Dodson wrote:
> > Anyone any idea what to do about this?? Created in 1992!!
> > Seems unreadable..
> >
> > No CTYP lines input for file:  1
> >     Indices output even if all data items flagged "missing"
> >  Warning, NOT all LABOUT data lines given
> > Warning: Machine stamp corrupted? Assuming native format.
> > >>>>>> CCP4 library signal library_file:End of File (Error)
> >
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> --
>
> *--------------------------------------------------------------
> * Clemens Vonrhein, Ph.D.     vonrhein AT GlobalPhasing DOT com
> * Global Phasing Ltd., Sheraton House, Castle Park
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--
Ethan A Merritt
Biomolecular Structure Center,  K-428 Health Sciences Bldg
MS 357742,   University of Washington, Seattle 98195-7742

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