file/magic/Magdir/lammps

#------------------------------------------------------------------------------
# $File: lammps,v 1.2 2024/06/10 23:09:52 christos Exp $
# Magic file patterns for use with file(1) for the
# LAMMPS molecular dynamics simulation software.
# https://lammps.sandia.gov
#
# Updated: 2021-03-14 by akohlmey@gmail.com

# Binary restart file for the LAMMPS MD code
0        string  LammpS\ RestartT  LAMMPS binary restart file
>0x14    long    x                 (rev %d),
>>0x20   string  x                 Version %s,
>>>0x10  lelong  0x0001            Little Endian
>>>0x10  lelong  0x1000            Big Endian

# Atom style binary dump file for the LAMMPS MD code
# written on a little endian machine
0         lequad  -8
>0x08     string  DUMPATOM     LAMMPS atom style binary dump
>>0x14    long    x            (rev %d),
>>>0x10   lelong  0x0001       Little Endian,
>>>>0x18  lequad  x            First time step: %lld

# written on a big endian machine
0         bequad  -8
>0x08     string  DUMPATOM     LAMMPS atom style binary dump
>>0x14    belong  x            (rev %d),
>>>0x10   lelong  0x1000       Big Endian,
>>>>0x18  bequad  x            First time step: %lld

# Atom style binary dump file for the LAMMPS MD code
# written on a little endian machine
0         lequad  -10
>0x08     string  DUMPCUSTOM   LAMMPS custom style binary dump
>>0x16    lelong  x            (rev %d),
>>>0x12   lelong  0x0001       Little Endian,
>>>>0x1a  lequad  x            First time step: %lld

# written on a big endian machine
0         bequad  -10
>0x08     string  DUMPCUSTOM   LAMMPS custom style binary dump
>>0x16    belong  x            (rev %d),
>>>0x12   lelong  0x1000       Big Endian,
>>>>0x1a  bequad  x            First time step: %lld

# LAMMPS log file
0         string LAMMPS\ (                    LAMMPS log file
>8        regex/16 [0-9]+\ [A-Za-z]+\ [0-9]+  written by version %s

# Data file written either by LAMMPS, msi2lmp or VMD/TopoTools
0      string LAMMPS\ data\ file  LAMMPS data file
>0x12  string CGCMM\ style        written by TopoTools
>0x12  string msi2lmp             written by msi2lmp
>0x11  string via\ write_data     written by LAMMPS

# LAMMPS data file written by OVITO
0      string #\ LAMMPS\ data\ file   LAMMPS data file
>0x13  string written\ by\ OVITO      written by OVITO

# LAMMPS text mode dump file
0      string    ITEM:\ TIMESTEP      LAMMPS text mode dump,
>15    regex/16  [0-9]+               First time step: %s