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-.\" $Id: lua.man,v 1.14 2016/10/17 15:43:50 lhf Exp $
-.TH LUA 1 "$Date: 2016/10/17 15:43:50 $"
-.SH NAME
-lua \- Lua interpreter
-.SH SYNOPSIS
-.B lua
-[
-.I options
-]
-[
-.I script
-[
-.I args
-]
-]
-.SH DESCRIPTION
-.B lua
-is the standalone Lua interpreter.
-It loads and executes Lua programs,
-either in textual source form or
-in precompiled binary form.
-(Precompiled binaries are output by
-.BR luac ,
-the Lua compiler.)
-.B lua
-can be used as a batch interpreter and also interactively.
-.LP
-The given
-.I options
-are handled in order and then
-the Lua program in file
-.I script
-is loaded and executed.
-The given
-.I args
-are available to
-.I script
-as strings in a global table named
-.BR arg .
-If no options or arguments are given,
-then
-.B "\-v \-i"
-is assumed when the standard input is a terminal;
-otherwise,
-.B "\-"
-is assumed.
-.LP
-In interactive mode,
-.B lua
-prompts the user,
-reads lines from the standard input,
-and executes them as they are read.
-If the line contains an expression or list of expressions,
-then the line is evaluated and the results are printed.
-If a line does not contain a complete statement,
-then a secondary prompt is displayed and
-lines are read until a complete statement is formed or
-a syntax error is found.
-.LP
-At the very start,
-before even handling the command line,
-.B lua
-checks the contents of the environment variables
-.B LUA_INIT_5_3
-or
-.BR LUA_INIT ,
-in that order.
-If the contents is of the form
-.RI '@ filename ',
-then
-.I filename
-is executed.
-Otherwise, the string is assumed to be a Lua statement and is executed.
-.SH OPTIONS
-.TP
-.BI \-e " stat"
-execute statement
-.IR stat .
-.TP
-.B \-i
-enter interactive mode after executing
-.IR script .
-.TP
-.BI \-l " name"
-execute the equivalent of
-.IB name =require(' name ')
-before executing
-.IR script .
-.TP
-.B \-v
-show version information.
-.TP
-.B \-E
-ignore environment variables.
-.TP
-.B \-\-
-stop handling options.
-.TP
-.B \-
-stop handling options and execute the standard input as a file.
-.SH "SEE ALSO"
-.BR luac (1)
-.br
-The documentation at lua.org,
-especially section 7 of the reference manual.
-.SH DIAGNOSTICS
-Error messages should be self explanatory.
-.SH AUTHORS
-R. Ierusalimschy,
-L. H. de Figueiredo,
-W. Celes
-.\" EOF