require "find"
def findfiles(dir, name)
list = []
Find.find(dir) do |path|
Find.prune if [".",".."].include? path
case name
when String
list << path if File.basename(path) == name
when Regexp
list << path if File.basename(path) =~ name
else
raise ArgumentError
end
end
list
end
findfiles "/home/hal", "toc.txt"
findfiles "/home", /^[a-z]+.doc/