Vital.sandbox - string.char

local result = string.char(...)

Type	Name	Description
`...`	...	Byte values to convert

Type	Name	Description
`string`	result	String composed of characters corresponding to the byte values

Create a string from byte values

local str = string.char(65, 66, 67)

engine.print("info", str) --'ABC'

Build a greeting string from byte values

local greeting = string.char(72, 101, 108, 108, 111)

engine.print("info", greeting) --'Hello'

Create a single character from a byte value

local char = string.char(33)

engine.print("info", char) --'!'

Create an empty string with no arguments

local empty = string.char()

engine.print("info", empty) --''

Round-trip a string through byte and char

local bytes = {string.byte("Hi", 1, -1)}
local reconstructed = string.char(table.unpack(bytes))

engine.print("info", reconstructed) --'Hi'

string.char