[gmx-users] Problems with trjconv, file too big

[David van der Spoel]

On Fri, 26 Dec 2003, Yuhua Song wrote:

>Thanks, Nuno,
>
>> I think it has 3501 frames.
>> Check with gmxcheck -f *.trr
>
>Becuase the file is too big, so gmxcheck does not work also.
>


try one of the workarounds mentioned on the list before, like mounting the 
disk through NFS, or upgrading your OS.


>
>> After having the size per frame, to cut your 7ns traj. in 500 frame pieces
>as
>> you asked, cut the traj into 1 piece of 501 and 6 pieces of 500 frames.
>> It's more clear now?
>
>Thanks, I understand this. but when I split the big *.trr file using:
>
>split -b size of 501frame -b size of 500frame*6  *.trr
>
>it does not work, it seems that split can only split the big file into the
>small chunk of same size, what is your way to split the big file into small
>chunks? Please do not tell me that split the big file into 3501 files, then
>combine them together. I thinks that there should have some ways to split
>into several limited files such as 2ns interval, 1ns interval etc.
>
>
>Thanks,
>
>
>Yuhua
>
>
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-- 
David.
________________________________________________________________________
David van der Spoel, PhD, Assist. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://xray.bmc.uu.se/~spoel
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