Supported platforms: android, ios, mac, pc
Available since: Gideros 2011.6
Description
Manages main input/output operations
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
io.close - closes file, or the default output file
io.flush - flushes the default output file
io.input - opens file in text mode, sets as default input file, or returns current default input file
io.lines - open file in read mode, returns iterator function to return lines, nil ends
io.open - opens file in specified mode "[rawb ]", returns handle or nil
io.output - opens file in text mode, sets as default output file, or returns current default output file
io.read - reads file according to given formats, returns read values or nil
io.tmpfile - returns a handle for a temporary file, opened in update mode
io.type - returns "file" if obj is an open file handle, "close file" if closed, or nil if not a file handle
io.write - writes strings or numbers to file
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Events
Constants
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