filesize -package:basement -package:ghc-lib -package:pantry -package:unix -package:http-client is:exact -package:tar-conduit -package:ghc

Set to 0 if unknown or a directory
Size of the file in bytes. If this file is a symbolic link the size is the length of the pathname it contains.
Size of the file in bytes. Does not follow symlinks
Get size of a file in the archive.