#!/usr/bin/ruby -w

# $ time ruby ruby-solution.rb
# 
# real    0m0.168s
# user    0m0.142s
# sys     0m0.022s

WORKDIR="/tmp"
WORKFILE="/tmp/access_log.ends.01May05"
ALIASES="/tmp/aliases"

# populate hash of alias -> filehandle
fh = {}
File.open(ALIASES).each { |line|
	a = line.split(' ')[1]
	fh[a] = File.open(WORKDIR+"/log"+a.tr('/','_'), "w")
}
fh['/'] = File.open(WORKDIR+"/log_catchall","w")

File.open(WORKFILE).each { |line|
	hit = line.split(' ')[6]

	begin
		if fh[hit] then
			fh[hit].write(line)
			break
		end
		hit = File.dirname(hit)
	end until false
}

fh.each { |k,v| v.close }