chk [<path>]

Give the size of <path>. If no argument is given, the current directory
is used.

If <path> is a file, chk will return its size in Byte, else <path> is a
directory, and chk returns the number of files in it.

If <path> is wildcarded, chk duplicates lls.

See also: w/ls, w/lls, w/wildcards.