Zip.size
Get the size in bytes of the zip archive.
Example
-- prints the size on the disk of a zip archive
import compression
-- check parameters : the archive and entry specified as argument
local archive = arg[1] or error("no archive specified")
-- open the archive
local z = compression.Zip(archive)
-- prints the size of the zip archive in bytes
print(archive.." has a size of "..z.size)