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Python, Lua, Tcl, C and C++ training - public course schedule [here]
Private courses on your site - see [here]
Please ask about maintenance training for Perl, PHP, Java, Ruby, MySQL and Linux / Tomcat systems
 
Luac - getting lua to start fast by precompiling

Luac is Lua's Compiler ... using "luac" you can turn your Lua program into a binary (executable) file. Covered on Installing Lua on our Lua Programming and Learning to program in Lua courses.

usage: luac [options] [filenames].
Available options are:
- process stdin
-l list
-o name output to file 'name' (default is "luac.out")
-p parse only
-s strip debug information
-v show version information
-- stop handling options


The output file isn't actually a binary for the processor you're running on - it's an intermediate bye code format that saves compile time each time you load your Lua program. So Lua still has to be installed on your system (not an issue - it's open source and a very flexible license) and once it's actually running, it's no quicker. Rather like having a car with the engine running ... the get away is quicker, so it's great for short journeys but on a long journey the few cycles saved starting and warming up are lost into insignificance!
(written 2009-10-20)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
U113 - Installing Lua
  [4102] Installing Lua 5.2.2 on Mac OS X 10.7.4 - (2013-05-25)
  [1632] Lua - a powerful, up and coming scripting language - (2008-05-05)

U117 - Other Lua Subjects
  [1845] Passing a table from Lua into C - (2008-10-18)
  [1844] Calling functions in C from your Lua script - a first HowTo - (2008-10-17)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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