filesize -package:hackage-security -package:http-conduit -package:turtle -package:ghc -package:unix -package:filemanip -package:wai-extra -package:directory

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.
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.
Get size of a file in the archive (by index).
File size in bytes
For a handle hdl which attached to a physical file, hFileSize hdl returns the size of that file in 8-bit bytes.
hSetFileSize hdl size truncates the physical file with handle hdl to size bytes.
Lifted getFileSize.
Lifted version of hFileSize
Lifted version of hSetFileSize