Lua read number. Besides the basic read patterns, you can call read with a number n as argument: In this case, read tries to read n characters from the input file. Seems like a pretty big oversight. Instead, we use Lua’s tonumber() function and implement custom functions for more specific parsing. Whereas many languages differentiate between integer and floating point numbers, Lua treats all numbers as double-precision floating-point numbers. read ("*numbers") print ("Hello world. If number is zero, it reads nothing and returns an empty string, or nil on end of file. Aug 31, 2025 · Numbers are used to represent quantities or amounts, and are also used in some control structures and to retrieve values from tables. Oct 12, 2014 · Checks for a value of type "number", in which case it reads the indicated number of bytes. Jan 31, 2009 · number reads a string with up to that number of characters, returning nil on end of file. If it cannot read any character (end of file), read returns nil; otherwise, it returns a string with at most n characters. io. ") Hello world. In this module, we will learn how Lua takes in string inputs and number inputs (you can’t have boolean inputs—the user entering “true” will be interpreted as a string value!). Lua doesn’t have a built-in package for number parsing like Go’s strconv. Converts the argument to a string. Compares the first two characters with the documented formats, without checking the string's size. ovdfdryy lbpxvl kcnvvbj jlads gzfykybq rori tfuk enkmygw pzrblynm vpyvun