1luajit(1)                    LuaJIT documentation                    luajit(1)
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NAME

6       luajit - Just-In-Time Compiler for the Lua Language
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SYNOPSIS

9       luajit [options]... [script [args]...]
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WEB SITE

12       http://luajit.org
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DESCRIPTION

15       This is the command-line program to run Lua programs with LuaJIT.
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17       LuaJIT is a just-in-time (JIT) compiler for the Lua language.  The vir‐
18       tual machine (VM) is based on a fast interpreter combined with a  trace
19       compiler. It can significantly improve the performance of Lua programs.
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21       LuaJIT  is  API- and ABI-compatible with the VM of the standard Lua 5.1
22       interpreter. When embedding the  VM  into  an  application,  the  built
23       library can be used as a drop-in replacement.
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OPTIONS

26       -e chunk
27              Run the given chunk of Lua code.
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29       -l library
30              Load the named library, just like require("library").
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32       -b ... Save  or  list  bytecode.  Run  without arguments to get help on
33              options.
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35       -j command
36              Perform LuaJIT control command (optional space after -j).
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38       -O[opt]
39              Control LuaJIT optimizations.
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41       -i     Run in interactive mode.
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43       -v     Show LuaJIT version.
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45       -E     Ignore environment variables.
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47       --     Stop processing options.
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49       -      Read script from stdin instead.
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51       After all options are processed, the given script is  run.   The  argu‐
52       ments are passed in the global arg table.
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54       Interactive  mode  is  only  entered,  if no script and no -e option is
55       given. Interactive mode can be left with EOF (Ctrl-Z).
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EXAMPLES

58       luajit hello.lua world
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60              Prints "Hello world", assuming hello.lua contains:
61                print("Hello", arg[1])
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63       luajit -e "local x=0; for i=1,1e9 do x=x+i end; print(x)"
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65              Calculates the sum of the numbers from 1 to 1000000000.
66              And finishes in a reasonable amount of time, too.
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68       luajit -jv -e "for i=1,10 do for j=1,10 do for k=1,100 do end end end"
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70              Runs some nested loops and shows the resulting traces.
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73       LuaJIT is Copyright © 2005-2017 Mike Pall.
74       LuaJIT is open source software, released under the MIT license.
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SEE ALSO

77       More details in the provided HTML docs or at: http://luajit.org
78       More about the Lua language can be found at: http://lua.org/docs.html
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80       lua(1)
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84                                                                     luajit(1)
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