improvements to code style in gen_index

gen_index.rb

@@ -1,39 +1,33 @@
 require 'erb'
 require 'filesize'
 
+RES_BASE  = "https://strawberry.thedevcave.net/~christoffermadsen/"
+usernames = ["christoffermadsen","jmaa","jacob","alexander"]
+shot_dir  = "/var/shots/"
 erb_file  = "dcav-index.erb"
 html_file = "/var/shots/html/index.html"
 
 class User
   attr_accessor :name, :count, :size
-  def <=> (other)
+  def <=> other
     other.count <=> count
   end
 end
 
-RES_BASE  = "https://strawberry.thedevcave.net/~christoffermadsen/"
-usernames = ["christoffermadsen","jmaa","jacob","alexander"]
 users = []
-shot_dir  = "/var/shots/"
-
-
 usernames.each do |username|
   user       = User.new
   user.name  = username
-  size      = `du -B1 #{shot_dir}#{username}/ | awk {'print $1'} | head -n 1`
+  user.size  = `du -B1 #{shot_dir}#{username}/ | awk {'print $1'} | head -n 1`
-  count     = `ls -1 #{shot_dir}#{username}/ | wc -l | head -n 1`
+               .delete("\n")
+               .to_i
+  user.count = `ls -1 #{shot_dir}#{username}/ | wc -l | head -n 1`
+               .delete("\n")
+               .to_i
   
-  [size,count].each do |x|
-    x.delete! "\n"
-  end
-  
-  user.size  = size.to_i
-  user.count = count.to_i
   users     << user
 end
 
-output = ERB.new(File.read(erb_file)).result
-
 File.open(html_file, 'w') do |f|
-  f.write(output)
+  f << ERB.new(File.read erb_file).result
 end