[lammps-users] Referencing simulation box parameters

Yeah, I could definitely even just grep for the parameters and input them as
command line arguments. Just thought it'd be simpler if it were possible to
do within an input script.

not sure. it seems to me, that sometimes it is better to use
an external tool, that makes it easy to generate text files,
rather than trying to force the facilities within lammps to go
too far. over the last few years, i've seen some inputs that
were next to impossible to understand.

there are actually a number of options available these

one of them is a straightforward shell/perl/python script that would
generate inputs. a second option would be the preprocessor in
tools/ipp. a third would be to use the new python embedding
where you could use python code to generate the input fed to