SYNOPSIS
	string *get_dir(string str)

DESCRIPTION
	This function takes a path as argument and returns an array of file
	names in that directory.

	get_dir("/w"); returns ({ "w" })
	get_dir("/w/"); and get_dir("/w/."); return contents of directory "/w"
	get_dir("/");, get_dir("."); and get_dir("/."); return contents of
        directory "/".

SEE ALSO
	get_dir_ext(E), cat(E), mkdir(E), rmdir(E)
