[gmx-users] Merge two trajectories

[Mark Abraham]

> Dear All,
> We have carried out two simulations for the same period of time and same
> time-step. We want to do PCA using both trajectories. We would like to
> know how to merge the two different trajectory files. The command we found
> was "concatenate", but it works only if time-points of the two
> trajectories are different.

If you're not after concatenation, or trjcat -settime doesn't help you,
then you'll have to explain what you mean by "merging" two trajectory
files.

Mark