
# These definitions are included in file since version 5.41.
# https://www.darwinsys.com/file/ https://github.com/file/file
# If you have an older version of the software, add the
# contents of this file to either $HOME/.magic or
# /etc/magic so that the file(1) command can recognize
# your LAMMPS files and print some useful information.
#
# Last change: 2025-05-28 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,
>>>&41       string  x                 Units %s,
>>>>&5       quad    x                 Timestep %lld,
>>>>>0x10    lelong  0x0001            Little Endian
>>>>>0x10    lelong  0x1000            Big Endian

# Atom style binary dump file for the LAMMPS MD code, https://www.lammps.org
# 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
