File

From GiderosMobile

This page contains changes which are not marked for translation.


Supported platforms: Platform android.pngPlatform ios.pngPlatform mac.pngPlatform pc.pngPlatform html5.pngPlatform winrt.pngPlatform win32.png
Available since: Gideros 2011.6

Description

file object is usually returned by io.open used to manipulate (read and write) files in lua

Examples

Copy a file

local function copy(src, dst)
	local srcf = io.open(src, "rb")
	local dstf = io.open(dst, "wb")
	local size = 2^13      -- good buffer size (8K)
	while true do
		local block = srcf:read(size)
		if not block then break end
		dstf:write(block)
	end
	srcf:close()
	dstf:close()
end

Methods

file:close closes file
file:flush saves any written data to file
file:lines returns iterator function to return lines, nil ends
file:read reads file according to given formats, returns read values or nil
file:seek sets file pos, whence="set"|"cur"|"end", defaults "curr",0, returns file pos
file:write writes strings or numbers to file

Events

Constants