scan dir + symlink ok

dir_scan_symlinkok.rb

#!/usr/bin/env ruby

# reccursively scan the rootdir directory
# - if a block is given, the fullpath are yielded. They are kept IIF the block return true
# - Find.find and Dir dont follow symlinks. BUT this one does
def dir_scan(rootdir, &block)
	results		= []
	dirnames	= []
	Dir.entries(rootdir).each do |entry|
		next if entry == "."
		next if entry == ".."
		fullpath	= [rootdir, entry].join('/')
		keepit		= (block_given? ? yield(fullpath) : true)
		dirnames.push(fullpath)		if File.directory?(fullpath)
		results.push(fullpath)		if keepit
	end
	dirnames.each { |dirname|
		tmp	= dir_scan(dirname) { |fullpath| (block_given? ? yield(fullpath) : true) }
		results.concat( tmp )
	}
	return results
end


if $PROGRAM_NAME == __FILE__
	rootdir		= "."
	abspaths	= dir_scan(rootdir) {|fullpath|
		# keep only the *.rb
		File.extname(fullpath) == ".rb"
	}
	require "pp"
	pp abspaths
end	

stored here for backup