Lua date to string. getMinutes Returns the minutes of `this` Date (0-59 range).

Lua date to string date():sub(9) 12:30:39 This works on my PC ;). Henri say I have this string, and I want to split "blue" local str = "The mouse walked by the blue cheese" to make it like this. time ( dt )) -- 1387900800 Timestamp to Datetime In Lua 5. 1. Contributor: Dario Vincenzo Tarantini. time() and os. Datetime to Timestamp local dt = { year = 2013 , month = 12 , day = 25 , hour = 0 , min = 0 , sec = 0 } print ( os. date() is equivalent to os. log(date. Getting the current date. SSSZZZ You can just glue the quote to the string: local str = "foo" print('"' . . clock() returns centiseconds sometimes if the millisecond number ends in a 0 (1/100th not 1/1000th) as you asked. -- Get the current date and time local currentDateTime = os. to select; to navigate; to close; Search by FlexSearch. Split your string with lua pattern and use os. Writing code like that is not too difficult, but it's time consuming and prone to minor errors that result in lost development time and patience. To add to the other answers: Lua does have a boolean data type, where C does not. %A Weekday as locale’s full name. Date and Time string parsing. date and os. After this optional character, if format is the string "*t", then date returns a table with the following fields: year, month (1–12), day (1–31), hour (0–23), min (0–59), sec (0–61, due to leap seconds), wday (weekday, 1–7, Sunday is 1), yday (day of the Out of the box, Lua's facilities for working with dates and times are pretty minimal, but in this circumstance, where you have a nice consistent input format and don't care about time zones, we can actually get the job done just using what's in the standard library. This guide simplifies date formatting and enhances your Lua programming skills. %w Weekday as a decimal number, where 0 is Sunday and 6 is Saturday. I am currently retrieving a date in the format of 2020-09-23T09:03:46. Follow edited Jan 28, 2014 at 17:34. I'm trying to convert and write string data into the file as bytes. How to convert It turns out that storing binary data is a Lua string is non-trivial. Table start's from 0, not 1 so table. contact miss first character I not write it also, but table in real is 16bit where first 8bit is empty. date:. If your intent is to have the string be escaped under Lua's escaping rules, then you should employ string. The basic loop would be: for i = 1, #str do local c = str:sub(i,i) -- do something with c end str. Contributed on Jun 02 2022 . sub(x, 1, 1)) -- 'A' print (string. Follow edited May 6, 2014 at 6:23. lua file, which includes the tonumber() and tostring() methods, which can realize the conversion of numbers and strings. gmatch() or string. If you need any further help, I'll write a code snippet. 5. Hello i need help to make “account age” with “. In this post, we'll explore the Lua date and time functions, providing you with a comprehensive guide on how to work with dates and times in Lua. How to format a variable in a SAS dataset created in Lua with sas. gmatch instead of string. 0 992. 4. 3333 Character and Byte Conclusion. Hot Network Questions Could an automotive 24V/10A relay without a flyback diode be burned out? Hi Skully, is small problem. 000Z) in Lua? I'm specifically trying to do it by using the HttpLuaModule in Nginx. I want it to output the current date in the following format family) if event == "G_PRESSED" and arg == 1 then -- Take the first 8 characters only (1,8) local date = string. can i get it as 2022-08-08 08:24:47. In the example below I've used 9000 minutes. Link to this answer Share Copy Link . Commented Feb 18, 2012 at 6:14 Date stamp gets updated when copying a file with an old date, to USB flash drive, but date stamp is preserved when copying the file to the same drive? Your input reader is almost certainly getting a string unless you are feeding it a raw lua file directly and having lua parse it as lua code. format("msgid "%q"", msgid)) Share. find or string. I am developing a plugin written in Lua, and I need a way to calculate Unix time or at least a way to compare 2 date strings. expiry_date ="2016-06-03 07:34:19" //(GIVEN DATE + 10 DAYS) But instead of that is print like below. havrlisan havrlisan. local varname = "variable" print(_G[varname]) -- print the value of the global variable named "variable" _G[varname] = 42 In lua '==' for string will return true if contents of the strings are equal. bool. sssZ) and I am trying to convert it into Wed Sep 23 09:03:46 2020. find(s,'%[') Also strings in Lua all have the string module as their metatable, so you could just say: x,y = s:find('%[') or even: x,y = s:find'%[' Share. Getting previous day's date in Lua. 0. 199 3 3 silver badges 14 14 bronze badges. Support ISO 8601 Dates. For your example: If os. LuaDate is a Lua module for date and time calculation and retrieval using the Gregorian Date system. 242Z (YYYY-MM-DDThh:mm:ss. match returns the matched text, or nil if the pattern is not found. sub(x, 2, 2)) -- 'B' print (string. show. answered Sep 26, 2018 at 8:12. 0. The function I can use only returns date string in the following format "1/17/2014 6:50 PM" Is there a way to convert this string to a Unix time? Lua does not have reflection, but the function names are stored as string in memory as a "key". It's okay if the day value increments into the hundreds or thousands. x featuring date and Time string parsing, time addition & subtraction, time span calculation, support for ISO 8601 Dates, local time support, strftime-like formatting. 108Z; Go to the doctor; 2015-09-30T13:22:53. Here's the LUA cod Lua string inside variable reference. Remember that you don't need to specify index of argument in format if you don't want to reorder them. ini / LuaDateParse. Lua Pattern Matching, get character before match. The `os. 108Z For example, to retrieve string in wanted format, I use this method: Lua uses the ISO C and POSIX date and time functions. asked Jan 26, 2014 at 10:39. C uses numbers for that, where 0 is false and everything else is true. 11. If format starts with '!', then the date is formatted in Coordinated Universal Time. 30 Years in my script its only showing without the “. Get day, month, year from data in Lua. You get 20:00:00 because you're in a different time zone. Modified 1 year, 11 months ago. First, let's see how Lua sees your current code: someName = enum { [quote=“rob,post:2,topic:309743”] basically you have to parse the string into its component numbers, but its really not that hard. Categories. 5 Date formatting in Lua. date function to get the current date and time. I'll be using varname. toString() I get the following error: attempt to index upvalue 'microse As other answers have said, the string concatenation operator in Lua is two dots. Lua converts numbers to strings and number-like strings to numbers for convenience, so lua_isstring() (and lua_isnumber()) is necessary if you want to do the same in your own API. Local time support. There may be a different date stamp string in your OS. I don't know how to approach the print section. -- The number of seconds to add to local time to turn it into UTC time. date print (currentDateTime) But it only works if you have the binary number as a string. In this pattern, all ASCII letters are reserved as pattern letters, which are defined as In lua 5. date('!*t', time) which works on UTC time. Use variables inside a string in lua. QS Informatica The preferred date and time representation for the current locale. match and patterns. date that allows formatting of strings with time information using options similiar to strftime in C. Here is a function I use for it: There's a whole section in Programming in Lua devoted to that. 0 0. – Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company What you want is called syntactic sugar and yes, it requires Lua's metaprogramming capabilities. Local Time is: Local=UTC + bias. You can find more information about dates in Programming in Lua, Section 22. getDate Returns the day of `this` Date (1-31 range). date("%X",0) gives you the time of the epoch, which is 00:00:00 (Coordinated Universal Time, UTC), 1 January 1970. I can get the results what I need through very intuitive mathematical calculations, but not elegant enough. Lua - Using os. Any idea on how to fetch a real date from SQL and put it into a string? Thanks! sql; lua; Share. Using os. 141 2 2 silver badges 9 9 bronze badges. Lua How to reformat a date? 1. 15. Convert Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. If format is not “*t”, then date returns the date as a string, formatted according to the same rules as the C function strftime. format's special %q formatting code: file:write(string. string variable that will contain true or false string. In Lua, you can convert a number to a string using the tostring() function. time(os. idbrii. Also, I had to replace this line: bytes = {string. 3 Lua 24-hour format of an hour without leading zeros. It contains placeholders and formatting options. This is pretty much always going to be the first step. value1, value2, etc. converts given value to string. com. – Nicol Bolas. gmatch() if you will parse the string to find the location to split the string at. SSSZZZ in lua script. It assumes that the Lua function os. Time Formatting in Lua. gmatch() from Lua 5. format, and the C reference for the printf family of functions for details. Improve this question. Rather than (tiger) being interpreted as a pattern capture group matching for tiger, it instead looks for (tiger) within a string. date - format. Here's a slice of code to chew on. date(“%c”)). toUTCString()) // "Fri, 06 Dec 2013 14:05:28 GMT" Unfortunately in Lua I cannot find possibility to format date this way: print(os. 2. 1, you can iterate of the characters of a string this in a couple of ways. Summary here. time from the data string with this format yyyy-MM-dd'T'HH:mm:ss. The function can be used without arguments to get a formatted string or with format specifiers to customize the output. ". gmatch which is splitting by regex in Lua. Versions. This one is pretty obvious. byte(s,i,string. ” for example for me its: 5 years i read Date/Time Format Strings and still can’ This prevents easy usage of the return of os. In Lua, we use os. Viewed 210 times 0 My question is how can I replace the character from a given string? If someone says something in the chat, and that word is a bad word then replace it with "****". Follow The . date to formats the string from a timestamp. char: string. f",num)) I have a string containing weather data. So, for example, if you had a date object d that represented a date like 2017-05-22, then calling d:year() would give you the number 2017, d:hour() would give you the number 5, etc. I want to load it into a table so that I can access each property. No global table date will be created. In Lua, we use In Lua, the os. I need to get UTC string, for example, like I would do it in JavaScript: var date = new Date() console. search = "Brown lazy 46" textline = "The quick brown fox jumped over 46 lazy dogs" for item in string. How to convert a string into a variable name? 1. There are no functions to make objects like this in standard Lua, so the project this code is in must be using a separate date library. How to convert string into a table. Long-format-string-literals cannot have an embedded closing-long-bracket (]], ]=], etc). 1-2 10 years ago 333 downloads. concat. date('%H') local newtime = (day-timesubtract) Obviously it doesnt work. Use the string. Understanding how to convert Lua numbers to strings is a fundamental skill that can improve your programming efficiency and clarity. lua program shows current time. AM %P. get current date and time in lua in redis. find() string. By using the os. 9k 5 5 gold badges 70 70 silver Lua Date Format and Comparison. getDay () "String 1 is" Lua String 2 is Tutorial String 3 is "Lua Tutorial" Escape sequence characters are used in string to change the normal interpretation of characters. format formatting codes, and the use of double colon (instead of Python's single colon) for format specifiers because of Lua's use of colon for methods. date("!*t")) returns 1562240400 which corresponds to 13:40, so it seems there are timezone/DST Convert a string date to a timestamp. Changing Variable by using variable+string? LUA. For example, this shows how to subtract 200 days from a date: Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Note the use of Lua string. you can actually do If you just want to get the substrings of an index, this should work in most version of Lua: x = 'ABC' print (string. 2) Get the current UTC date and time as a formatted string. local aliasPrint = _ENV["print"] aliasPrint("Hello, World!") output: Hello, World! _ENV is the lookup table of the running environment of Lua global variables (for Lua v5. 26. Provide details and share your research! But avoid . It is going to convert to an int (as string) if the number is round (i. I am new to Lua, and I am building a custom dissector for Wireshark. Turning off pattern matching didn't help. "\"") --> "foo" print([["]] . Add a comment | 3 Answers Sorted by: Reset to default 39 . SSSZZZ and I will do some calculations to get date after number of days from the above date, but I need to get the resultant date also in this format yyyy-MM-dd'T'HH:mm:ss. How do i format time into seconds in lua? 1. ". Lua 4 Here is some Lua code adapted from some C code found by Google. 275Z to date and time in lua? here after the symbol | is the date and time. Unfortunately, these standards do not provide a function that Actually, no, wait, I screwed up. Regex as Lua pattern. 8 +0. In particular, os. Add seconds to an existing date in Lua. I have a string that I need to read as a table notes = "0,5,10,16" so if I need the 3rd value of the current notes that is 10 value = notes[3] Find padded hex (0xXX) in Lua string pattern. date()− This function is While there are good ways turn date/time strings into Windows timestamps in Rainmeter, using the Time measure, this can entail a ton of Time and Calc measures to deal I just use a String measure to simulate getting a date and time string from some remote resource, which you will likely do with WebParser. Struggling with the string manipulations, does anyone have any ideas? I'm having some difficulty formatting the date in this LUA script. lower(item)) then result = textline end end You break up the word values you You can simply use string patterns and captures to get the numbers for each unit. how to validate the above string is a valid date in Lua? validation; date; lua; Share. date. ZippyMind ZippyMind. LUA Scripts. Splendid Stoat. lua This skin uses Inline Lua section variables to call some functions in the Lua code that will "parse" a formatted date/time string into the separate elements, and turn them into UTC timestamps. Lua - Get current day? 1. 3) Get an ISO-8601 formatted date and time string from the skin. 2 and newer. byte and UTF8 in Lua is available at: Standard Lua string library. time, add your offset (in seconds) and format this to a string (or table, whatever you prefer) How to add days in given datetime in Lua. From Lua 5. If you are splitting a string in Lua, you should try the string. Syntax string. 3 SW 1 m/s C hPa mm 49. 3. get () Lua: Parsing a date from a string How to: Lua does not have built-in support for date and time manipulation beyond the limited functionality provided by the os. tointeger() It can also be converted into numbers by using this method. time uses mktime, which only interprets the input structure according to the current timezone setting in the environment variable TZ. lua: Can I use string to use variable? Hot Network Questions Don't use string as a variable name; you're overwriting (if string is global) or shadowing (if string is local) the global string table. gmatch(search, "%S+") do if string. x='foo' _G[x]() -- calls foo from the global namespace LuaDateParse. Help would be appreciated. 6 Run Fork Copy link Download Share on Facebook Share on Twitter Share on Reddit Embed on website I need to find out a way to format large numbers as strings without transforming them into other numbers. Actually, it fails on my system. date() functions, you can easily get, format, and parse dates and times in os. Get specific UTC date and Time in Lua. Secondly, your task cannot be solved with a regular expression, unless your table print will attempt to convert its arguments to strings, for a number this results in scientific notation and you don't capture all the precision. Basic formatting Lua Tutorial Date formatting 02/01/2014 0. I turned the string, 'loadstring' into bytes (each character is in a different variable) Example: local a = 'loadstring' ab = a:byte(1,1) ac = a:byte(2,2) For reference, here are the codes used in the mini-language: %a Weekday as locale’s abbreviated name. Follow I will provide an answer based on the comment from Egor, slightly modified to make the answer directly testable in a Lua interpreter. with os. time to create the seconds (lua date and time). A "real string" can be of any length. I have found myself having to turn a chunk of Lua code into a string so it can be run as a proper Lua chunk. txt) that is all filled in the following format : pay the bill; 2015-08-30T13:22:53. Lua: Getting the current date How to: Lua provides the os. Since strings in Lua are immutable, each concatenation creates a new string object and copies the data from the source What our Lua code does at a high level 1) Get the current system date and time as a formatted string. format("bool is %d", truth) gets (at least in Hammerspoon): bad argument #2 to 'format' (number expected, got boolean) I want to use os. 3 Strip trailing zeroes and decimal point Remove leading zeroes in Lua string. 3 23 -8. 1-1 10 years ago 87 downloads. There is no library method available to convert an array to string but we can use concatenate operator to concatenate lua; Lua Date and Time: Working with Dates and Times in Lua # Working with dates and times in Lua is a crucial aspect of any software development project. Date formatting in Lua. Table have ASCI value, and the same result I get in print- value 49(dec) will print as 49, not ASCI "1". getvar('TIME')), this is trivial:. tmp" However, there is a caveat to be aware of. String Functions in Lua. getMonth Returns the month of `this` Date (0-11 range). gmatch. you can get parts of a string by string. time. The shift is unapplied by using os. If the time value is outside the allowable range of times, usually Jan 01 I'm looking for a little help on a Lua script. 4 Reference Manual: os. len(s))} by bytes = {string. Home; To specify the time format, use a time pattern string. For more complex string operations, you might want to look into additional This module supports local time. Why string. '"') --> "foo" print("\"" . Shop. First, the os. As it was pointed out in the comments, lua strings are interned, which means that any two strings that have the same value are actually the same string. 4) Convert the components of that formatted string into table fields that we will use to get a timestamp from os. I'm creating a hidden loadstring function. I have a file (termino. 1 and up you need to use string. sub(), see Lua reference. rep if format is the same for all arguments. Make sure Lua can find the source file date. 122k 48 48 gold badges 246 246 silver badges 302 What you're trying to do -- escape the [-- is done with the % character in Lua: x,y = string. But the most important one is that a lot of software out there is prepared to read/use it. format. os. Here's a barebones Time class that applies the shift to store UTC time in from_lua_time. This is mentioned in the manual. G need to get a value from gmatch and turn it into a string Question is not Clear. sub(x, 3, 3)) -- 'C' In Lua 5. Lua provides the os. I highly doubt that this is of any use to you; theoretically you could decompile it to get back a "Lua" representation of what the function does, but it would hardly be recognizable or readable. tostring. date to format dates into strings. date is available (and matches gma. time: Lua doesn’t have built-in date comparison functions, but we can use the os. string to table. find(textline, string. I even tried searching for \r, \n but also \\r\\n. Follow edited Nov 22, 2013 at 15:53. date()) -- Fri Dec 6 16:06:43 2013 Lua - Array to String Conversion - Array is an ordered arrangement of objects whereas string is a continous sequence of characters. Lua: Changing a Date table to string or some other format. Improve this answer. The bias is time zone offset plus the daylight savings if in effect. LuaDateParse. In most systems (ie, POSIX), os. How to get milliseconds with the date and time using Lua script. Lua allows for working with table representations of the date with both os. For this exercise, just pretend that I have a unix timestamp coming from my mysql database, and I wanna convert it to a date, but when I try to use local time = 1647385200000 os. However, to format a boolean in a String in Lua, local text = string. Like %p but in lowercase: `am' or `pm' or a corresponding string for the current locale. Although some optimizations may be possible for this specific use case, I leave them unchanged as See chapter 20 The String Library of “Programming in Lua”, the reference of string. It does not handle timezones or Daylight Saving Time and so the outputs refers to Universal Coordinated Time (UTC). 0 Answers Avg Quality 2/10 Grepper Features Reviews Code Answers Eventually the solution I found was to pass the javascript version of the cleanup date to the lua script as parameter, and then simply compared the parameter to the date in the database, without using Lua date/time objects at all. This makes displaying dates and time easy and quick. expiry_date = "2016-06-13 12:00:00"// (Wrong Date) I know in Lua have must functionality to print date in proper way as I needed but can't get from Google. Commented Sep 29, 2015 at 14:59. In vanilla Lua, there is an option in os. It was released before UTF8 support was built into Lua. answered Apr 2, 2015 at 18:28. Use the metamethod __call to construct a dateObject see example below:. gsub and string. ds_write as a datetime value? 5. 1 - Date and Time and in the lua-users wiki. – Piglet Commented Jun 1, 2016 at 6:33 Use os. @user1511417: string. format("%-50s %05d","here is a string", 12) print(foo:len(), foo) Output: 56 here is a string 00012 so how to Concatenate a string in Lua ? string; lua; string-concatenation; Share. Follow edited Dec 10, 2015 at 19:09. 0? I need to mimic the exact behaviour of Lua's tostring in C, without using the Lua C I have a variable with a date table that looks like this * table: [day] * number: 15 [year] * number: 2015 [month] * number: 2 How do I get the days between the current date and the date This format has lots of advantages; the most obvious one is that dates sorted out alphabetically are also sorted out chronologically. It accepts parameters and returns a formatted string representing the current date and time. It is your choice to use it though the ONLY way you can avoid this issue is if you make or load More information about string. string; lua; wireshark; wireshark-dissector; lua-userdata; Share. How to split string; Create a for loop; How to create HTTP server; How to sleep; How to print array; How to print table; Hash tables usage example; Create a repeat-until loop; Get formatted date/time; Get table length; datetime string convert to timestamp Ricky · September 06, 2021 Lua Lua 5. getMinutes Returns the minutes of `this` Date (0-59 range). sub() methods. Finding two numbers in This code takes custom date objects as input. format()`, and employing custom string conversion functions, you'll be better equipped to handle a variety of scenarios in your Lua programming journey. Time addition and subtraction. Example using string. Returns a string with length equal to the number of arguments, in which each character has the internal numerical code equal to its corresponding argument. [Recommended use] The Lua script in version 5. 7k 3 3 gold badges s = "this is a test string" words = {} for w in s:gmatch("%w+") do table. Your simple example would be written like this: filename = "checkbook" filename = filename . I struggling to find the correct LUA code to detect if two dates appear after each other. ” for example: as you can see 5. LUA patterns to detect matching date. Simply use varname as a key to index _G; _G is just a regular table after all:. Edit: The string str is loaded from a file. Be more clear with Question Be more clear with Question date - format LUA. date('%A') local timesubtract = 8 --GMT -8 hours local hour = os. However, these can be leveraged for basic parsing, and for more complex requirements, the luadate library, an external library, can be utilized. date("!%X",0) to get 00:00:00 as desired. boolean variable To call a function in the global namespace (as mentioned by @THC4k) is easily done, and does not require loadstring(). getSeconds Returns the seconds of `this` Date (0-59 range). Note that using unpack() limits the size of the string that can be decoded. By mastering the `tostring()` function, leveraging `string. Follow edited Sep 26, 2018 at 8:21. 1k 1 1 gold badge 102 102 silver badges 120 120 bronze badges. Match an approaching date In Lua. I would carefully verify the code you're actually executing, though. To Load the module call local date = require"date" in your script. Follow edited Aug 13 at 21:17. getFullYear Returns the full year of `this` Date (4-digits). alarm. Yu Hao. You can't do what you want in lua but you don't need to use the lua parser to handle input either. e if number == (int) number) or is it always going to output a real (as string) like 10. To force UTC instead of your time zone, start the format with !. Pure Lua Date & Time module for Lua 5. The methods I've looked at try to convert the number to a calendar date and time, but I just need the elapsed time since 0. date("%Y %m %d", time) It just returns nil, a I've seen lot's of answers to convert strings to integers, but how can I convert integers to strings? When I try microseconds. Add a minus to format string %-50s to align text to the left: . If you really want an enum keyword, you'll have to extend Lua or implement a preprocessor adding such a keyword. lua. 275. Converting a date into a string. I have something similar which detects two keywords, but it's not working on my dates. How to get os. format() method is used to create formatted strings by replacing placeholders with specified values. Follow asked Sep 22, 2012 at 10:10. This module supports local time. Share . 1 and older, or load in Lua 5. Then there is a counter in place to match the index for the resulting table. If the time value is outside the allowable range of times, usually Jan 01 I need a Lua 4 script that converts seconds elapsed since seconds = 0 into a D:HH:MM:SS formatted string. 0 Popularity 7/10 Helpfulness 4/10 Language lua. time prints formatted date rather than number. Aviram Netanel Aviram Netanel. Commented Jul 29, 2015 at 19:13. foo = string. math. @EgorSkriptunoff Thanks for comment, can you help me with this how can i format this 239657|20220815T082447. match for %d+ to find the first number in the string, as follows: How to get number or string LUA. 3. For example, to print double inverted commas (""), we have used \" in the above example. 3 contains the global. dump function to obtain the bytecode of a function. Doug Currie. First of all, your Lua code will not work. The reverse at the end is needed because you encode the strings in reverse in toBinString. Lua - convert string to table. It'll work with Once you have the string as a Lua string, it can contain any sequence of characters you want. date() function, we can obtain the current date and time and Working with dates and times in Lua is a straightforward process. find(str, "\r\n") I'm sure the string contains new line sequence \r\n. I have extracted only the relevant functions from a larger library. This works well unless the table contains a line break inside one of its elements. Lua’s string manipulation capabilities are quite powerful, and many operations can be performed using pattern matching with string. str = "3435939477110523131" num = tonumber(str) print(str, num, string. 1 Reference Manual: lua string to date Comment . %d Day Otherwise, you can do it with string. sub() method if you know the index you wish to split the string at, or use the string. date() to output the current full date so I can automatically input it into a converter to Warhammer's Imperial Date system. Turns out os. 2 1 2 225 0. byte(s,1,-1)} to make your code work. date` function in Lua retrieves Lua doesn’t have built-in date comparison functions, but we can use the os. My situation is this: The wireshark data consists of hex numbers such as 4321 8765 CBA9. Lua - Split String - Splitting a string is the process in which we pass a regular expression or pattern with which one can split a given string into different parts. time functions. gfind – Smile4ever. The bias is retrieve using the Lua function os. How to get date from string with this format yyyy-MM-dd'T'HH:mm:ss. sub(GetDate(), 1, 8) for i = 1, #date do local ch = date:sub(i,i) if ch == "-" then PressAndReleaseKey Generate arbitrary number of repeats of whatever format you want with string. 3 standard utf8 library. Generate variable name with string and value in Lua. You cannot have unescaped double quotes in a string delimited by double quotes. local pre = "The mouse walked by the " local matched = "blue" local post = " cheese" Here is a function which returns the ordinal for a given day number: function day_ordinal(dayn) last_digit = dayn % 10 if last_digit == 1 and dayn ~= 11 then return 'st' elseif last_digit == 2 and dayn ~= 12 then return 'nd' elseif last_digit == 3 and dayn ~= 13 then return 'rd' else return 'th' end end In Lua, the os. Follow edited Apr 3, 2015 at 15:21. foo . – siffiejoe. For simply printing the time - extract what you want (the time) from the full date stamp string: > os. 2 How to print out date and time in this format in Lua? I need a simple function to convert seconds into a time string that humans can read to represent the countdown. Returns the hours of `this` Date (0-23 range). After this optional character, if format is the string "*t", then date returns a table with the following fields: year, month (1–12), day (1–31), hour (0–23), min (0–59), sec (0–61, due to leap seconds), wday (weekday, Date here. Time span calculation. Lua - Date & Time - Lua provides following functions to do all operations on date and time like getting formatted dates, date manipulations, getting current time, getting time differences etc. Presentation by Roberto Ierusalimschy (one of the creators of Lua) on the future of Lua, which talks about many things and one of them is UTF8 support. Share. 10 Using Lua to format 0 seconds as 00:00:00. Tags: lua string to-date. Asking for help, clarification, or responding to other answers. Or fill table with all formats and use table. time() function to convert dates to a numerical format (epoch time) and then compare them. String pattern, match the first, outermost pair of brackets? 2. How to: In Lua, we use `os. find(subject string, pattern string, optional start position, optional plain flag) Returns the startIndex & endIndex of the substring found. time Here is a not bad way using string. Noon is treated as `pm' and midnight as `am'. Lua string patterns. My code is here: local no = 91234573457652910 print(no) -- prints 9. time-- get system timestamp from system clock or datetime table; string In Lua script, I have a variable containing the string representation of a table. (optional): Values to be inserted into the placeholders within the format string. Source: stackoverflow. Use single quotes(') within a "-string, " within '' or use heredoc syntax to be able to use both types of quotes, as shall I in the example below. Note that numerical codes are not necessarily portable across platforms. date` to format dates into strings. insert(words, w) end Using this code I was able to separate each word but now I need to be able to access just the nth word. `format` is a string that specifies how the date and time will be displayed. I want to assign each of the values in the string a variable string = "12-05-17 12:48:48 12. You can prevent this by converting the value to a string for print using string. 41. Related. The plain flag allows for the pattern to be ignored and intead be interpreted as a literal. String to Table in Lua. 1-, use _env instead) I calculated the difference in seconds between UTC time and local time. I have already tried something to, but instead of seeing 00 inside hexdump, im seeing 0x30 inside file which is hexadecimal value for character 0. date() outputting to a table but I have no idea how to actually set each individual value of it to a variable. or the corresponding strings for the current locale. I’ve tried to keep various examples of Lua code I’ve come across to re-use, with strtohex() and hextostr() being one an example, but I can only find strToHex() - below. Lua 5. If you wanted to display the current time for example, you could simply use os. Paul Kulchenko Paul Kulchenko. LUA get date time in format YYYYMMDDHHMMSS. It could be as simple as doing a string. format("%. Essentially I'm looking to match an approaching date X number of minutes prior to today. local date = require "date" -- prints all FRIDAY the More of Lua. This easily allows for a full range of date manipulations by adding/subtracting from year, month, day, etc. date() function is used to format dates. 1 onward, according to this doc, you can do the following: string. You are going to get strings like 2017-12-17T06:07:36Z or 2017-12-31T18:02:29-05:00 or I currently have this code local day = os. previous page. This is the Lua representation of the resulting string: "\16/\194^\182\163\3abc". Your needs will be directly fulfilled with loadstring in Lua 5. Lua - Functions; Lua - Date and Time; Lua Strings; Lua - Strings; Lua - String Concatenation; Lua - Loop Through String; Lua - String to Int; Lua - Split String; The problem here is that in order for a set of characters to be "quantifiable" (eligible for a quantifier to be assigned to the set), you need to enclose the elements of the set between brackets. linux date returns 14:40, date -u returns 12:40, but lua os. If the time argument is present, this is the time Lua provides following functions to do all operations on date and time like getting formatted dates, date manipulations, getting current time, getting time differences etc. Here the value is being split by either ":" or ". date("%c"). Lua Date Format and Comparison. time returns the number of seconds since the start time (called "epoch"). date to manipulate dates effortlessly. char (···) Receives zero or more integers. When called without arguments, date returns a reasonable date and time representation that depends on the host system and on the current locale (that is, os. You can achieve in a similar way. Output: Using os. answered Dec 10 You are looking for string. Long-format-string-literals cannot end with something like ]== which would match the chosen closing-long Lua also provides the string. len() won't help. 14. But it is possible when taking care with 3 sequences. At the moment I have os. Getting the Current Date and Time # To get Now whenever I am try to print expiry date it must need to print . Lua: How to get string captures containing a specific substring? 4. 8. Follow asked Sep 6, 2016 at 20:01. You are going to get strings like 2017-12-17T06:07:36Z or 2017-12-31T18:02:29-05:00 or How would you convert a timestamp to an ISO 8601 format (such as 2009-01-28T21:49:59. if format is the string "*t", then date returns a table with the following fields: year, month (1–12), day (1–31), hour (0–23), min @SuperJedi224 You'd have to create a C wrapper, something like int getHighResTime(lua_State *L) { /* push the time onto the lua stack */ return 1; }, add code to register the C fns with Lua, and then compile that with the Lua C API as a shared library. date function from Lua is quite handy, it returns a hashtable with the corresponding field/values:. Lua module (not binary). `time` is an optional parameter that represents a time value in seconds since the I have a question regarding date formatting in Lua (Luajit). date ([format [, time]]) Returns a string or a table containing date and time, formatted according to the given string format. lua string-indexed table and unpack. Discover the power of lua os. It's also cpu time which means that my 'solution' is inaccurate to a range of, on average 0-600milliseconds. How do I write such a script? How to replace string in lua? Ask Question Asked 1 year, 11 months ago. answered May 6 Lua Date Manipulation Loop. format(format, value1, value2, ) format: A format string that defines the structure of the output string. Is there any simple way to convert a RFC HTTP date into a timestamp in Lua? "Sat, 29 Oct 1994 19:43:31 GMT" into 783467011 Discover the power of lua os. So, use os. Optional capture of balanced brackets in Lua. 1 0. find returns nil in this case? local str = -- some string with several lines local pos = string. string. baqs eplhr pkflczc pywqhu jxeq hizq rkkp oasqtjj ayr svdc