"LAMMPS WWW Site"_lws - "LAMMPS Documentation"_ld - "LAMMPS Commands"_lc :c :link(lws,http://lammps.sandia.gov) :link(ld,Manual.html) :link(lc,Section_commands.html#comm) :line print command :h3 [Syntax:] print string :pre string = text string to print. may contain variables :ul [Examples:] print "Done with equilibration" print "The system volume is now $v" :pre [Description:] Print a text string to the screen and logfile. The text string must be a single argument, so it should be enclosed in double quotes if it is more than one word. If variables are included in the string, they will be evaluated and their current values printed. If you want the print command to be executed multiple times (with changing variable values), there are 3 options. First, consider using the "fix print"_fix_print.html command, which will print a string periodically during a simulation. Second, the print command can be used as an argument to the {every} option of the "run"_run.html command. Third, the print command could appear in a section of the input script that is looped over (see the "jump"_jump.html and "next"_next.html commands). See the "variable"_variable.html command for a description of {equal} style variables which are typically the most useful ones to use with the print command. Equal-style variables can calculate formulas involving mathematical operations, atom properties, group properties, thermodyanimc properties, global values calculated by a "compute"_compute.html or "fix"_fix.html, or references to other "variables"_variable.html. [Restrictions:] none [Related commands:] "fix print"_fix_print.html, "variable"_variable.html [Default:] none