filesize -package:hackage-security -package:http-conduit -package:turtle -package:ghc -package:unix -package:tar package:unix-compat -is:exact
Size of the file in bytes. If this file is a symbolic link the size is
the length of the pathname it contains.
Truncates the file down to the specified length. If the file was
larger than the given length before this operation was performed the
extra is lost.
Note: calls truncate.