[gmx-users] What is demux.pl script

Justin A. Lemkul jalemkul at vt.edu
Sat Feb 6 03:22:24 CET 2010

zuole wrote:
> Hello,
> I've been reading all of the archived questions on the analysis of REMD 
> in Gromacs, and I'm still a bit confused. It appears that the first step 
> is to use the demux.pl script to demultiplex the REMD trajectories. 
> However, I am unable to find this demux.pl file in 
> the src/contrib/script/ folder. Can anyone please help me out on this? I 
> would really want to know where to find the script or what the content is. 

The demux.pl script is in the /bin subdirectory of your Gromacs installation 
(like all the other executables).  The input is a .log file from an REMD run; 
the output is then fed to trjcat when demultiplexing the trajectories.


> Thanks,
> Jackie
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Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080


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