filesize -package:basement -package:ghc -package:http-client -package:base

Size of the file in bytes. If this file is a symbolic link the size is the length of the pathname it contains.
Set to 0 if unknown or a directory
Size of the file in bytes. Does not follow symlinks
File size
Get size of a file in the archive.
File size.
File size in bytes
File size in bytes. Read-only attribute represented as a Natural.
-s
Get size of a file in the archive (by index).
For some files we might not know the size beforehand, but we might be able to provide an upper bound (timestamp, root info)