filesize -package:hackage-security -package:http-client -package:unix -package:pantry -package:ghc-lib -package:slack-api -package:wai is:exact

File size.
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
File size
Get size of a file in the archive.