lammps/doc/src/log.rst

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.. index:: log
log command
===========
Syntax
""""""
.. parsed-literal::
log file keyword
* file = name of new logfile
* keyword = *append* if output should be appended to logfile (optional)
Examples
""""""""
.. code-block:: LAMMPS
log log.equil
log log.equil append
Description
"""""""""""
This command closes the current LAMMPS log file, opens a new file with
the specified name, and begins logging information to it. If the
specified file name is *none*\ , then no new log file is opened. If the
optional keyword *append* is specified, then output will be appended
to an existing log file, instead of overwriting it.
If multiple processor partitions are being used, the file name should
be a variable, so that different processors do not attempt to write to
the same log file.
The file "log.lammps" is the default log file for a LAMMPS run. The
name of the initial log file can also be set by the :doc:`-log command-line switch <Run_options>`.
Restrictions
""""""""""""
none
**Related commands:** none
Default
"""""""
The default LAMMPS log file is named log.lammps