...
http://www.biosci.ki.se/md/charmm.html These scripts are available on this link.
http://www.charmm.org/ubbthreads-7-5-5/ubbthreads.php?ubb=showflat&Number=186#Post186 If you have questions about how to use these scripts or any issues associated with them, please follow this thread on the CHARMM forum.
The tar ball available for download in the script library contains following scripts:
SETUP
add-ions.str
gen-alpha-helix.inp
gen-dna.inp
gen-prot.inp
minimize.inp
rename-2pdb.str
setup-truncated-octahedron.str
solvent-box.str
solvent-shell.str
solvent-sphere.str
...