[gmx-developers] trjcat add an exception handler

Yunlong Liu yliu120 at jh.edu
Thu Jun 25 23:20:56 CEST 2015


When I use trjcat to concatenate two trj files, I mistakenly put two 
trajectory xtc files with different number of atoms as input. I use -n 
output.ndx to let trjcat extract an intersect group of the two 
trajectory. I surprisingly found that there is no exception poped up in 
this situation and the program went directly to "seg fault".

I suggest to add an exception to handle this case, which is, to judge 
whether all the "to-be-concatenated" trajectories must have same number 
of atoms. If not, pop a verbose exception.


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