Lua tem tabelas e não arrays. Introduction. In Lua, these collections often refer to tables, which are used to create various data structures like array. All submissions for this problem are available. php to convert the LUA array into a PHP one, but I don't think it's giving valid PHP: Array ( [local addonName, addonTable] =>. Lua combines simple procedural syntax with powerful data description constructs based on associative arrays and extensible semantics. A sparse array contains nils. Over 100,000 English translations of Portuguese words and phrases. It is feature-rich and extensible for experienced developers, yet simple and instantly usable for beginners (as tested with middle and high school. So you want to get started learning Lua and creating scripts, huh? Well you’ve come to the right place, so LET’S DO IT! =). Dump 1-dimensional Lua array into a file efficiently - ravijo/dump-lua-array. Added methods to easily build an array table from a DynValue array. Lua is most commonly used in the industry as a scripting language on top of the engine. The elements must have a total order and the index of the array can be of any discrete type. Returning a single value that is not an array will automatically be treated as an array with a single value. Lua tables have a dual nature of being both an array and an associative hash table. Lua is now capable of specifying abilities and modifiers entirely in Lua; this is appropriate if you're familiar with Lua and the abilities/modifiers you want to make may have more advanced logic in their effects. A new tab is added to the Packet Bytes pane that contains the byte array. A new tab is added to the Packet Bytes pane that contains the byte array. From Lua 5. Semantic changes in Lua 5. The Lua User's Wiki gives useful example source and relevant discussion. 3 it is bound as a double, with Lua 5. Lua just has tables which could behave like a list, an array or even a dict, depending on how you define/use it. Windower >>> Addon >> Gearswap >> Data is the path. nil can't be in a sequences. Values can be stored in variables, passed as parameters and returned as results. 3, LuaJIT, and other Lua engines. Tables are indexed by the key, so if you know the key you can quickly retrieve the value. Else and Elseif A basic if statement takes action only if something is true. Dump 1-dimensional Lua array into a file efficiently - ravijo/dump-lua-array. /tmp/foobar/init. This feature is not available right now. (The usual Lua terminology is the array part and the hash part of the table, which reflects the actual implementation used; it is more accurate to say that a Lua table is an associative map which happens to be particularly efficient at acting like an array. The following API functions return information about C types. In a Key/Value pair you can store a value under a key and then later retrieve the value using that key. -- This program uses arrays to display temperature conversion tables -- and temperature as an array subscript to find a given conversion. Note; This is an expensive operation, and should only be used for troubleshooting. 5 released Fourth edition of Programming in Lua available as e-book; Lua Workshop 2018 held in Kaunas, Lithuania. Starting in version 1. Metatables. Including Lua Code To format your code for inclusion in a post, please wrap it in [lua][/lua] tags and we'll make it look all pretty for you. → Both of the above use Lua strings, which can contain any sequence of bytes. In addition to this list, see also. Lua's table manipulation functions allow you to easily do things such as add and remove values from an array. When indexing a string in Lua, the first character is at position 1, not at position 0 as in C. The Vertex Shader is the programmable Shader stage in the rendering pipeline that handles the processing of individual vertices. A Lua tutorial about 'Variables and User Input' On running this, everything should output as expected. nil can't be in a sequences. In Lua, an array might use a linear chunk of memory if the following apply: The table has only numeric indices. remove() function that deletes an element from a table at the specified position, or the last element by default. Because it is a subset, not all features of Lua are supported. N-1 and Lua tables to be 1. Lua is an open source scripting language designed to be lightweight, fast, yet also powerful. Tables are the sole data structuring mechanism in Lua. Lua is a great language to play with for a number of reasons. An array is a computer science concept that *can be implemented* with a Lua table. In Lua, arrays are implemented using indexing tables with integers. key = value). Thus, in Lua, we can access the C/C++ variable naturally. So arguments are easy to address. Lua programs are written in a simple procedural syntax. From Lua 5. Lua has a table. This feature is not available right now. For an explanation of how to use Lua in Glest, please see the Lua page. This is why it omits a lot of quality of life features from other languages, like increments and the continue operator. binstr: Because many of the values you'd want to get/set at are numbers or arrays of numbers, a lua helper module called binstr is available to convert to and from strings for use with the above. We took all test cases from The Great Computer Language Shootout [ 2 ], except the first one ( sum ), which is a simple loop to add all integers from 1 to n. Defining Functions []. 0 and later releases support Lua functions that draw simple shapes on your camera's LCD screen from a script. I'm writing a game using Corona SDK in lua language. numAsciiRow - returns the number of rows in an ASCII file. In Lua, arrays are implemented using indexing tables with integers. They are associative arrays ([1]), which means they store a set of key/value pairs. Some function parameters or results in the Corona API expect a numerically-indexed array. So you want to get started learning Lua and creating scripts, huh? Well you’ve come to the right place, so LET’S DO IT! =). It includes the concept of tables, which double as arrays, and even though it's extremely simple, it's also very fast (extremely fast when using LuaJIT). 现在有在lua里直接解析json的纯lua库,使得解析json很方便,尤其是在lua接入网络协议,读取本地配置尤为重要,但目前使用下来,存在一些问题。使用的json库为网上的流行的开源json库,并且 博文 来自: 的博客. loaded It is nonstandard to modify package. Global variables that represent arrays of value can also be bound to Lua. If you want to pass a reusable two-dimensional array, you have to use a lua variable (code below). Into this you can place code that disables some 'dangerous' functions (like 'os') by setting them to nil. To iterate over the elements contained in an array the operators ipairs() or pairs() can be used: ipairs() iterates only over the indices in a table (only outputs the numerically indexed content); pairs() iterates over the keys in a table. Generally series data is an array of two-element arrays, but if you specify xvalues then it can be an array of y values; x and y are for separate arrays of. A new tab is added to the Packet Bytes pane that contains the byte array. Instead, Lua tables can be either associative arrays (key-value pairs) or numerically-indexed arrays (consecutive values). To represent records (properties), Lua uses the field name as an index. In Programming in Lua's first discussion of tables, they mention: Since you can index a table with any value, you can start the indices of an array with any number that pleases you. str_sub_str - Replace a substring with another substring. Python has a huge number of GUI frameworks (or toolkits) available for it, from TkInter (traditionally bundled with Python, using Tk) to a number of other cross-platform solutions, as well as bindings to platform-specific (also known as "native") technologies. Tables are collections of key/value pairs, where both the key and the value can be any Lua data type, except nil. 0, is mostly valid. The Lua libraries adhere to this convention; so, if your arrays also start with 1, you will be able to use their functions directly. An array is a computer science concept that *can be implemented* with a Lua table. Note that the World of Warcraft API does not provide all standard Lua functions. Some function parameters or results in the Corona API expect a numerically-indexed array. British English: moon /muːn/ NOUN. Re: Passing arrays from C++ to LUA void lua_rawseti (lua_State *L, int index, int n); Does the equivalent of t[n] = v, where t is the value at the given valid index and v is the value at the top of the stack. If the type of value is number, then with Lua prior to 5. numAsciiRow - returns the number of rows in an ASCII file. The script is too long to embed in this page, and it's much better to view it in a text editor that supports Lua syntax highlighting, because there are a lot of comments in the script explaining things. The code in this box is executed every time the Lua script engine is instantiated, in other words for every world, and every plugin. 3 it is bound as an integer or double depending on its subtype using lua_isinteger. compress2 function is then straightforward. That means it's not possible to iterate an array that contains nils with an index or ipairs. For complete control of how numbers are converted, use string. For our purposes you can think of them as the equivalent of an array in whatever language you're most comfortable with, but note these two Lua-isms that trip up folks new to the language: Tables are one-based, that is, indexing starts at 1. Chapter 11: Scripting Redis with Lua This chapter covers Adding functionality without writing C Rewriting locks and semaphores with Lua Doing away with WATCH/MULTI/EXEC Sharding LISTs with Lua Over the last several chapters, you've built up a collection of tools that you can use in existing applications, while also encountering techniques you can use to. " But the question is what's the fastest way to insert a number of items into a table (as an array). From Lua 5. C Type Information. → Both of the above use Lua strings, which can contain any sequence of bytes. Lua is designed to be a very lightweight language. string_to_chararray(str[, includenil]) Converts a Lua string to a Lua array (a table with integer keys) of values of type Cchar. The finalizer can be a Lua function or a cdata function or cdata function pointer. lua will load on both, or if gear is different, can have Luna_whm. The first argument of EVAL is a Lua 5. In Lua a table combines structures/classes and arrays into one type - a table. Lua tables have a dual nature of being both an array and an associative hash table. com, 4/9/12 Introduction Having limited space led to the design of this multi-band antenna array, which has a foot print of. PICO-8 implements a subset of Lua for writing game cartridges. Lua Functions. The script does not need to define a Lua function (and should not). 1 Top ranked online coding bootcamp. the light of a full moon. Remembering the nature of lua's multiple arguments, and the fact that multiple arguments are not returned on a lua table dressed as an array, the description on the manual started to make sense. loaded It is nonstandard to modify package. Unlike some programming languages, Lua uses the same data structure -- the table -- for both paradigms. Lua is dynamically typed, runs by interpreting bytecode for a register-based virtual machine, and has automatic memory management with incremental garbage collection, making it ideal for configuration, scripting, and rapid prototyping. 1 Top ranked online coding bootcamp. nil can't be in a sequences. Lua table functions; Lua table functions These are the functions in the "table" table. Brazilian Portuguese: lua. Another common use of vectorized indices is a filtering operation. The array table of registered heuristic list names. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. the function can then modify struct members as it sees fit, using the struct notation you're used to:. Two-dimensional array initialization. It's been embedded in applications as diverse as World of Warcraft and the Nginx web server. Lua is a great language to play with for a number of reasons. " But the question is what's the fastest way to insert a number of items into a table (as an array). Lua uses associative arrays and which can be indexed with not only numbers but also with strings except nil. They can be used to make other data structures like linked lists and so on. FUNCTIONS. loaded Contains the source of cached libraries in a table, keyed by the library name (as given to require ), and whose value is the cached library itself. Lookup is quick. If the type of value is number, then with Lua prior to 5. Using a hash map to emulate an array normally is slower than using an actual array; however, Lua tables are optimized for use as arrays to help avoid this issue. This can only be called from a dissector. Another common use of vectorized indices is a filtering operation. 最近、基礎文法最速マスターというプログラミング言語の解説が流行ってるようなので、便乗してみた。個人的にはC++やPythonの方が慣れ親しんでいるのだが、自分でも勉強できるように普段使っていない言語を書いてみることにした。. Datasheets. The select function takes as "index" the index of the first argument that you want to retrieve, and any number of arguments afterward (the count of. 1, so students using the second edition of Programming in Lua should have few issues. It's free, open-source, and works on Windows, Mac OS X, Linux, Android and iOS. Performance of array creation in Lua The Lua 5. Lua is now capable of specifying abilities and modifiers entirely in Lua; this is appropriate if you're familiar with Lua and the abilities/modifiers you want to make may have more advanced logic in their effects. 2, splitting was tricky in most situations, because string. Web development with Lua Programming Language by Etiene Dalcol, Coding Serbia 2015 - Duration: 37:58. Tables are the only data structure in Lua, but they are more flexible than the data structures in many other languages. SWIG expects C-arrays to be filled for 0. Lua is most commonly used in the industry as a scripting language on top of the engine. Below is a simple function that deletes a key-value pair from a table. Nil's goal is to be different from any other value, as well as the default value for global variables. This is just a quick overview of lua. Returns the key for needle if it is found in the array, FALSE otherwise. They are also called dictionaries (because they make values corresponding to indices, as the definitions in a dictionary correspond to the terms), associative arrays (because they associate values to indices, thus making them be arrays of values that are associated to indices. A Lua interpreter written entirely in C# for the. 0 without table-array optimization, tail calls, and dynamic stacks (related to coroutines); Lua 5' is essentially Lua 4. Array elements, starting at index zero, are initialized one-by-one with the consecutive table elements, starting at either index [0] or [1]. Backporting a wireshark dissector plugin. The first argument of EVAL is a Lua 5. nil can't be in a sequences. → Both of the above use Lua strings, which can contain any sequence of bytes. Tables are the only "container" type in Lua. In Lua a table combines structures/classes and arrays into one type - a table. LUA commands and variables list for use in Domoticz This page is created to give an overview of all the possible commands and variables in Lua that can be used in Domoticz. Python has a huge number of GUI frameworks (or toolkits) available for it, from TkInter (traditionally bundled with Python, using Tk) to a number of other cross-platform solutions, as well as bindings to platform-specific (also known as "native") technologies. If needle is found in haystack more than once, the first matching key is returned. Note that the World of Warcraft API does not provide all standard Lua functions. An array is a computer science concept that *can be implemented* with a Lua table. The more you know Lua the more you realize how core to the language tables are. But in Lua, you can truly return multiple values:. When indexing a string in Lua, the first character is at position 1, not at position 0 as in C. Another common use of vectorized indices is a filtering operation. This is an abstract base class containing the common functionality between LuaPlayer and character entities (see LuaEntity). Allocca, WB2LUA, www. If you want to pass a reusable two-dimensional array, you have to use a lua variable (code below). Anyway, the easiest way for numerical indexes is the # operator. This post and the following ones give some beginner-level differentiation. Checking if an item is in the array is slow; again because the computer must loop over all the items. Note that a JSON array and a Lua array aren't the same. The splice() method adds/removes items to/from an array, and returns the removed item(s). The script does not need to define a Lua function (and should not). EVAL and EVALSHA are used to evaluate scripts using the Lua interpreter built into Redis starting from version 2. lua is a Lua library that provides a set of utility functions for dealing with iterators, arrays, tables, and functions. The syntax is easy to learn and somewhat forgiving. Re: Array/Table save and load in LUA Ya, the size of my array might sound obscene, but I assure you it is for the server-side only, and the client side arrays will not be so massive (atleast if I do it correctly) then again, 160MB these days in memory isn't that much, especially if it is the game's foundation. It's been embedded in applications as diverse as World of Warcraft and the Nginx web server. sort (array t, function comp = nil) Sorts elements of array t in a given order, from t[1] to t[#t]. Array algebra. Nevertheless, in some cases we need a controlled sequence, like the obtained with a known seed. To compile from lua to Java bytecode for all lua loaded at runtime, install the LuaJC compiler into a globals object use: org. It assumes the separator character does not exist in one of the values. If value is a boolean then it is bound as 0 for false or 1 for true. 0, is mostly valid. N, (the indexing follows the norm for the language). By the way, in Lua tables a key that has never been assigned a value is the same as a key that's been assigned a value of nil. Note that the World of Warcraft API does not provide all standard Lua functions. Lua - Arrays. Elements in the table that have integer keys are stored internally in the array part, while elements with strings or other objects for keys are stored in the hash table. (The usual Lua terminology is the array part and the hash part of the table, which reflects the actual implementation used; it is more accurate to say that a Lua table is an associative map which happens to be particularly efficient at acting like an array. A Lua table is considered to be an array if and only if its set of keys is a: consecutive sequence of positive integers starting at 1. Lua uses tables in all representations including representation of packages. Creates a ByteArray object. lua How this site use cookies This Platform uses cookies to offer you a better experience, to personalize content, to provide social media features and to analyse the traffic on our site. Giỏ hàng 0. Datasheets and User Guides. Starting in version 1. 1, so students using the second edition of Programming in Lua should have few issues. Paste your code below, and codepad will run it and give you a short URL you can use to share it in chat or email. 最近、基礎文法最速マスターというプログラミング言語の解説が流行ってるようなので、便乗してみた。個人的にはC++やPythonの方が慣れ親しんでいるのだが、自分でも勉強できるように普段使っていない言語を書いてみることにした。. There is already a lot of information available on the forum, but this is scattered throughout. 1 Reference Manual , freely available under the terms of the Lua license. Lua is a popular scripting language that is widely used by many app and game engines including Corona Labs, Amazon Lumberyard, WoW, Adobe Lightroom and many other great tools. I have found a bug when decoding an empty object, it is interpreted as an empty array, at least that is what shows on encode(). 0: Changed the documentation to Markdown format. Lua tem tabelas e não arrays. An empty Lua table, {}, could be considered either a json object or array - it's an. There are some types that could use some small amount of documentation, and that is the goal of this page. Lua scripts can be written and changed in any text editor. Functions can be defined in the "ordinary" way, and we can call them. Coding Serbia Conference 10,813 views. Unlike C, the combination of Lua precedence rules plus Lua language rules make it likely that you can do what you want without parentheses, but they're always available in case you need them. It is an array where the first element is the key and the remaining elements are parameters that will be substituted for placeholders in the template designated by the key. str_split_csv - Splits strings into an array of strings based on a single delimiter. It will do nothing more or less that just that. lua")();- one-time load routines. Think hashes in Perl and Ruby or Dictionaries in Python. The FFI library is tightly integrated into LuaJIT (it's not available as a separate module). For more information see the page on the table Lua library. → Both of the above use Lua strings, which can contain any sequence of bytes. Lua is a language which has been around since 1993. the function can then modify struct members as it sees fit, using the struct notation you're used to:. In case of an overflow the seed will actually become a bad seed, without warning (note that Lua 5. Regular API function list (by category) The list of API functions below allows you to access many V-REP parameters. So arguments are easy to address. Tables are the sole data-structuring mechanism in Lua. Lua’s table manipulation functions allow you to easily do things such as add and remove values from an array. Lua is a popular scripting language that is widely used by many app and game engines including Corona Labs, Amazon Lumberyard, WoW, Adobe Lightroom and many other great tools. To find your lua folder follow the following path - this may be slightly different on your computer, but will look something like this: C:\Program Files\Steam\steamapps\common\garrysmod\garrysmod\lua\ In the filename box, type helloworld. To return the keys for all matching values, use array_keys() with the optional search_value parameter instead. Powerful applications can be written directly inside Nginx without using cgi, fastcgi, or uwsgi. binstr: Because many of the values you'd want to get/set at are numbers or arrays of numbers, a lua helper module called binstr is available to convert to and from strings for use with the above. 0 without table-array optimization, tail calls, and dynamic stacks (related to coroutines); Lua 5' is essentially Lua 4. Lua's string library contains a couple of functions that work with patterns, also called (a subset of) regular expressions. My interpretation is that this is a reflection of the Lua parser's method of storing a table internally as two objects; a regular array of some optimum size that is a power of two and some sort of hashed list. Lua is currently the leading scripting language in games and has been utilized in Warcraft ™, Angry Birds ™, Civilization ™ and many other popular franchises. Some function parameters or results in the Corona API expect a numerically-indexed array. Another common use of vectorized indices is a filtering operation. For our purposes you can think of them as the equivalent of an array in whatever language you're most comfortable with, but note these two Lua-isms that trip up folks new to the language: Tables are one-based, that is, indexing starts at 1. The syntax is easy to learn and somewhat forgiving. An array is a computer science concept that *can be implemented* with a Lua table. Note; This is an expensive operation, and should only be used for troubleshooting. Powerful applications can be written directly inside Nginx without using cgi, fastcgi, or uwsgi. If comp is given, then it must be a function that receives two elements and returns true when the first element must come before the second in the final order (so that not comp(t[i+1],t[i]) will be true after the sort). In case of an overflow the seed will actually become a bad seed, without warning (note that Lua 5. 1), described in the Lua 5. Localised strings are a way to support translation of in-game text. combination of array-like behavior with hash table semantics enables you to represent pretty much any type of data structure in memory. compress2 function is then straightforward. Passing arrays between Lua, C/C++ By BS-er , August 31, 2007 in Engines and Middleware This topic is 4368 days old which is more than the 365 day threshold we allow for new replies. For instance, you can create a matrix of zeros with dimensions N by M with the following code:. Even the first edition of the book, covering Lua 5. British English: moon /muːn/ NOUN. PHP understands multidimensional arrays that are two, three, four, five, or more levels deep. Download dkjson. A new tab is added to the Packet Bytes pane that contains the byte array. 0 without table-array optimization, tail calls, and dynamic stacks (related to coroutines); Lua 5' is essentially Lua 4. C, and Lua code is provided (C++ has library functions for this task). Note that a JSON array and a Lua array aren't the same. If you enjoyed the video be sure to leave a like, If. The Callinfo objects index into this array. In Lua, these collections often refer to tables, which are used to create various data structures like array. The unofficial Lua FAQ provides a lot of useful Q and A content, and is extremely useful for those learning Lua as a second language. Lua supports only a few data structures, including arrays, lists and hash tables. This example comes from our "Object Orientation - the Lua way" training module. lua lua-table. 3, if the second argument is a boolean true, then the first argyument is treated as a raw Lua string of bytes to use, instead of a hexadecimal string. readAsciiHead - reads an ASCII file and returns just the header. This is a simplified Lua script to read and write CSV files. class: Provides a reuseable and convenient framework for creating classes in Lua. Lua: Add ProtoFields to Proto from within a Dissector. com wrote: Can someone shed some light on why this doesn't work? My device shows Lua. The code in this box is executed every time the Lua script engine is instantiated, in other words for every world, and every plugin. Lua Programming/length operator. And # can return the largest numeric key. Unlike a C-style array, it doesn't decay to T * automatically. Lua runs on all if not most Unix-like operating systems. Another common use of vectorized indices is a filtering operation. Lua is most commonly used in the industry as a scripting language on top of the engine. When accessing these members through a LuaEntity, it must refer to a character entity. -- creates an array with indices from -5 to 5 a = {} for i=-5, 5 do a[i] = 0 end However, it is customary in Lua to start arrays with index 1. Python and Tcl - public course schedule Private courses on your site - see Please ask about maintenance training for Perl, PHP, Lua, etc. Tables are collections of key/value pairs, where both the key and the value can be any Lua data type, except nil. Dictionaries. Lua sparse array. Definition and Usage. If the type of value is string it is bound as text. Tables are the only data structure in Lua, but they are more flexible than the data structures in many other languages. Datasheets. 1 of the official Lua specification is implemented, and should suit most addon maker's needs. Python has a huge number of GUI frameworks (or toolkits) available for it, from TkInter (traditionally bundled with Python, using Tk) to a number of other cross-platform solutions, as well as bindings to platform-specific (also known as "native") technologies. tolua binds such declarations to Lua global variables. → Both of the above use Lua strings, which can contain any sequence of bytes. Gets a Lua array table of all registered field filter names. In addition to this list, see also. Bounds checking. Block comments start with doubleshovel and run until doubleclosebox: --[[Comments can be spread across several lines ]] print "Hello World!" Enabled code within comments. It is designed, implemented, and maintained by a team at PUC-Rio and is housed at LabLua. There is already a lot of information available on the forum, but this is scattered throughout. Vertex shaders are fed Vertex Attribute data, as specified from a vertex array object by a drawing command. Content in this page is cited from the Lua 5. In Lua, the order that pairs iterates through the keys is unspecified. It only works when the indexes have no gaps: 1, 2, 3, 4, , 87, nil. Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. 最近、基礎文法最速マスターというプログラミング言語の解説が流行ってるようなので、便乗してみた。個人的にはC++やPythonの方が慣れ親しんでいるのだが、自分でも勉強できるように普段使っていない言語を書いてみることにした。. ⑤ We want to return the compressed data as a Lua string, so we'll use ffi. 0 uses 35 opcodes • Operand A refers to a register usually the destination limits the maximum number of registers per function • Operands B and C can refer to a register or a constant a constant can be any Lua value, stored in an array of constants private to each function 10. Refer also to the global. Think hashes in Perl and Ruby or Dictionaries in Python. Of course, you can return a single collection object (list, array, tuple, dictionary, hash, Vector, object ) or set up global variables to hold side effect results if you wish. Lua CJSON uses a heuristic to determine whether to encode a Lua table as a JSON array or an object. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy. Tables have no fixed size and can grow based on our need. So unlike Perl, Python and Ruby, with Lua it's efficient to use a table as an array. Its FAQ provides information on Lua availability and licensing issues. Lua too!) have two parts to them, which are hidden from us at our level: a hash part, and an array part. Content in this page is cited from the Lua 5. This could be written a lot more efficient, but hey it's one of my first serious LUA scripts. Arguably, we could just refer to the Lua web site, but a few functions differ slightly in Blizzard's implementation. It's an extensible and interpreted scripting languages that is dynamically typed, run by interpreting bytecode with a register-based virtual machine. // Call precalc_values() to initialize the constant[] and multiple[] arrays, // then call pointInPolygon(x, y) to determine if the point is in the polygon. JSON is built on two structures: A collection of name/value pairs. Another common use of vectorized indices is a filtering operation. Quotes around string. Lua tables have two "modes" for a lack of a better term. #!/usr/bin/lua a = 1 -- this is a number b = 10 -- this is a number. And Redis, which is why we are here. I am trying to interface NodeMCU with RCWL-0516 Microwave Radar Sensor and power it via battery.