string.pack

local binary = string.pack(format, ...)

--Pack three integers
local packed = string.pack("iii", 10, 20, 30)
engine.print(#packed) --12

--Pack a fixed-size string
local packed = string.pack("c5", "hello")
engine.print(#packed) --5

--Pack zero-terminated string
local packed = string.pack("z", "world")
engine.print(#packed) --6

--Pack mixed types
local packed = string.pack("ifd", 42, 3.14, 2.718)

--Little endian packing
local packed = string.pack("<I4", 0x12345678)

--Big endian packing
local packed = string.pack(">I4", 0x12345678)

--Pack bytes
local packed = string.pack("BBB", 65, 66, 67)
engine.print(packed) --ABC

--Pack with padding
local packed = string.pack("ixxi", 1, 2)

--Pack unsigned short
local packed = string.pack("H", 1000)

--Pack double precision float
local packed = string.pack("d", math.pi)

--Pack string with length prefix
local packed = string.pack("s1", "hello")

--Pack multiple strings
local packed = string.pack("zz", "first", "second")

--Combine different types
local packed = string.pack("i4f", 100, 1.5)

--Pack network byte order (big endian)
local packed = string.pack(">I2", 0xABCD)

--Pack struct-like data
local packed = string.pack("c10i4f", "PlayerName", 100, 99.5)

--Pack boolean as byte
local packed = string.pack("b", true and 1 or 0)