Gathers key information about a directory.

coldir.rb

#!/opt/csw/bin/ruby

directory = ARGV.join(' ')

count = ['?', '?']

# get users, which have created files in dir
#
users = Hash.new(0)
`tree -u '#{directory}'`.split("\n").each do |line|
  user = line.scan(/\[([^\]]*)\]/).flatten.first
  if user
    user = user.strip
    users[user] += 1
  end
  
  if md=line.match(/(\d+) director(?:y|ies), (\d+) files?/)
    count = md[1..2]
  end
end

# get usage of directory
usage = `du -sh '#{directory}'`.chomp

# find the newest file
cmd = %Q{
  find #{directory} -type f |
  ruby -n -e'print $_.gsub(/([^A-Za-z0-9_\\-.,\:\\/\@\\n])/n) { "\\\\#\$1" }' |
  xargs ls -lrtE #{directory} | tail -1
}
# puts cmd
newest = `#{cmd}`
date = '???'
if md=newest.match(/\d{4}-\d{2}-\d{2} \d{2}:\d{2}/)
  date = md[0]
end

printf "%-28s %3s %3s %s %s\n", 
  usage, 
  count.first,
  count.last,
  date, 
  users.map{|u| "#{u.first}(#{u.last.to_s}) " }