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返回指定文件的大小,如果失败返回 false
代码语言:javascript复制-- @function [parent=#io] filesize
-- @param string path 文件完全路径
-- @return integer#integer
function io.filesize(path)
local size = false
local file = io.open(path, "r")
if file then
local current = file:seek()
size = file:seek("end")
file:seek("set", current)
io.close(file)
end
return size
end