[gmx-users] dividing too large trajectory into smaller fragments

Mark Abraham Mark.Abraham at anu.edu.au
Fri Feb 10 03:18:47 CET 2006

Daniela S. Mueller wrote:
> hi gmx-users,
> is there a way to convert a very large trajectory file back to smaller 
> fragments? 

Yes. There's a great section 7.4 in the manual that describes the 
utility programs by topic. One of these is suited to your task - have a 

> or does it depend on the file system type?
> when i try to use/read an xtc-file (2.1G) i get the fatal error: file 
> file.xtc not found.

There are file systems & non-gromacs software that have problems with 
files over 2GB. We can't help more without more details.


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