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Hi Phil, Looking at the file it is clear that the end is missing - the files are identical to a certain point then the last few 0 values are missing and there is no newline at the end of the ppc version... I have just run it again on the firewire disk and got the same error, which is odd. So the problem looks like it is to do with the ppc mac not the file system. Any ideas anyone? It would seem like a major operating system fault to be missing (i.e. not writing) the end of a file... Thanks, Graeme -----Original Message----- From: CCP4 bulletin board [mailto:[log in to unmask]] On Behalf Of [log in to unmask] Sent: 20 March 2007 10:04 To: [log in to unmask] Subject: Re: [ccp4bb] OS X Scala SCALES file weirdness The SCALES file is plain text so you should be able to check it with an editor Phil > Hi Folks, > > Sorry this is slightly off topic. I have an OS X PPC mac mini and I have > noticed some very strange behaviour. When I run scala for one example > the scales file that is produced is exactly 16384 bytes, and when I try > and restore this scala dies. Now running the same scaling job on an > intel iMac the scales file is a few bytes larger and can be read > appropriately. > > This suggests to me that a few bytes are being "lost". > > Weirder still, if I run the *same* job on an external firewire disk on > the ppc mac it works fine and produces a slightly bigger than 16k scales > file. This suggests to me that there is something unhappy about the file > system on this device. This came with OS X 10.3 and an "upgrade" to 10.4 > instead of a 10.4 fresh install, though I have no idea why this would be > a problem. On both machines I am running the job in my home directory... > > Has anyone noticed this behaviour? More usefully - has anyone got any > idea of how to prevent it? > > Thanks, > > Graeme >