This open source script is for Mac OS X or Linux, with Ruby installed. You can run the script via the command line with "ruby anki1.0.rb" for example. This version of the script is very simple: it extracts certain statistics from your Anki decks (edit the

anki1.0.rb

(*
	
   Copyright 2009 Konrad M. Lawson
   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*)

#Modification of code provided by arnebrasseur 

require 'date'

#An array of the flashcard files you want to read stats from:
decks = ['/path/to/your/deck.anki','/path/to/a/second/deck/if/you/have/one.anki']

#The name of the location where you want to save the stats to:
statsdir = '/path/to/the/directory/where/you/will/save/the/log/file/'

#If true this will prevent more than one log entry being made per day:
$onceperday = true

if !File.directory? statsdir
  exit
end

class AnkiStats
  attr_reader :path,:name,:due,:unseen,:facts,:cards,:todayCount,:todayTime,:yCount,:yTime,:lastDate,:lastCount,:lastTime,:daysSince
  
  def zeroit(checkvar)
    if checkvar==nil
      checkvar=0
    end
    return checkvar
  end
  
  def convertMin(secondz)
    if secondz.to_i>0
        secondz=secondz.to_f/60
        rounded=secondz.round.to_s
    end
  end
  
  #Get the raw data from the decks, initialize the variables
  def initialize(deckPath)
    @path = deckPath
    @today = Time.now.strftime("%Y-%m-%d")
    @yesterday = (Time.now-86400).strftime("%Y-%m-%d")
    @daysSince = 0
    @unseen = 0
    @due = 0
    @todayCount = 0
    @todayTime = 0
    @lastDate = ""
    @cards = 0
    @facts = 0
    
    deckstats = `sqlite3 '#{@path}' 'select syncName,revCount,newCount,factCount,cardCount from decks;'`
    deckstatsArray=deckstats.split("|")
    #Should probably do some error checking here to see if got necessary data
    
    daystats=`sqlite3 -list '#{@path}' 'select day,reps,reviewTime from stats;'`
    #Should probably do some error checking on this too.
    getstats(daystats)
    
    @name = File.basename(path,File.extname(path))
    @due=zeroit(deckstatsArray[1])
    @unseen=zeroit(deckstatsArray[2])
    @facts=zeroit(deckstatsArray[3])
    @cards=deckstatsArray[4]
    if @cards==nil
      @cards=0
    else
      @cards=@cards.strip
    end
    
  end
  
  #Assign the appropriate data to each variable
  def getstats(daystats)
    daystatsArray=daystats.split("\n").reverse
     for myentry in 0 ... daystatsArray.length-1
      mydata=daystatsArray[myentry].split('|')
      if mydata[0]==@today
        if mydata[1].to_i>0
          @todayCount=mydata[1]
        else
          @todayCount=0
        end
        if mydata[2].to_i>0
          @todayTime=convertMin(mydata[2])
        else
          @todayTime=0
        end
      elsif mydata[0]==@yesterday
        @yCount=mydata[1]
        @yTime=convertMin(mydata[2])
        break
      else 
        if todayCount==nil||todayCount.to_i<1 
          @lastDate=mydata[0]
          @lastCount=mydata[1]
          if @lastCount==nil
            @lastCount=0
          end
          @lastTime=convertMin(mydata[2])
          @daysSince=Date.today-Date.strptime(lastDate)
          if @daysSince==nil
            @daysSince=0
          end
          break
        end
      end
     end
  end

end
 
#For each file name that is passed, create an AnkiStats, and write its data to a file by the name of the deck in the target directory
#If there is already an entry for today (when a log of the stats were saved, not last time deck was studied) don't write a new log entry, unless $onceperday is false
#If the target file does not already exist, create it and add headers to show what the data is for.
def writeStats(readFile,statsdir)
  if !File.exist?(readFile)
    puts "File not found: "+readFile
    exit
  end
  a=AnkiStats.new(readFile)
  writeFile=statsdir+a.name+".txt"
  if !File.exist?(writeFile)
    Dir.chdir(statsdir)
    f=File.new(a.name+".txt","a")
    f.puts "Log Date\tUnseen\tDue\tCards Studied\tTime Studied\tTotal Cards\tTotal Facts\tDays Since Last Study\tLast Session"
    f.close
  end
  
  if a.unseen==nil
    @daysSince=0
  end
  
  if $onceperday
    #Find out the date of the last log entry and only write a new log entry if one hasn't been made today:
    lastLine = `tail -n 1 '#{writeFile}'`
    lastLine=lastLine.split("\t")
  else
    #If the user has disabled this, make it so that the if statement below will always pass
    lastLine=0
  end
  
  if lastLine[0]!=Time.now.strftime("%Y.%m.%d")
   open(writeFile,'a') do |x| 
     x.puts Time.now.strftime("%Y.%m.%d")+"\t"+a.unseen.to_s+"\t"+a.due.to_s+"\t"+a.todayCount.to_s+"\t"+a.todayTime.to_s+"\t"+a.cards.to_s+"\t"+a.facts.to_s+"\t"+a.daysSince.to_s+"\t"+a.lastDate.gsub("-",".")
   end 
 end
  
end

decks.each { |theFile|
  writeStats(theFile,statsdir)
}