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Store word counts of files over a period
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#!/usr/bin/env ruby | |
require 'sqlite3' | |
require 'date' | |
require 'optparse' | |
require 'iconv' unless String.method_defined?(:encode) # needed to fix dodgy encoding in files (String#encode is Ruby 1.9+) | |
CONFIG = { | |
:db_name => 'wc.db', | |
:base => '.', | |
:ignore_regexp => /^\s*(#|\*)/, | |
:summary_format => "%{today}", | |
:header_format => "Today: %{today}", | |
:item_format => "%{path}: %{today} (%{total})", | |
:goal_summary_format => " (%{remaining})", | |
:goal_full_format => ", %{remaining} words left" | |
} | |
OptionParser.new do |o| | |
o.separator "" | |
o.on('-s', '--summary') { CONFIG[:summary] = true } | |
o.on('-b PATH', '--base PATH') { |path| CONFIG[:base] = path } | |
o.on('-d NAME', '--database NAME') { |name| CONFIG[:db_name] = name } | |
o.on('-g GOAL', '--goal GOAL') { |goal| CONFIG[:goal] = goal.to_i } | |
o.on('-i PATTERN', '--ignore-regexp PATTERN') {|pattern| CONFIG[:ignore_regexp] = /#{pattern}/} | |
o.separator "" | |
o.on('--summary-format FORMAT') {|format| CONFIG[:summary_format] = format } | |
o.on('--header-format FORMAT') {|format| CONFIG[:header_format] = format } | |
o.on('--item-format FORMAT') {|format| CONFIG[:item_format] = format } | |
o.on('--goal-summary-format FORMAT') {|format| CONFIG[:goal_summary_format] = format } | |
o.on('--goal-full-format FORMAT') {|format| CONFIG[:goal_full_format] = format } | |
o.separator "" | |
o.on('--on-update SCRIPT') { |script| CONFIG[:update_hook] = script} | |
o.on('-h', '--help') { puts o; exit } | |
o.parse! | |
end | |
DB_LOCATION = "#{CONFIG[:base]}/#{CONFIG[:db_name]}" | |
db = SQLite3::Database.new(DB_LOCATION) | |
db.execute_batch <<-SQL | |
CREATE TABLE IF NOT EXISTS word_count ( | |
id integer primary key, | |
path string, | |
words integer, | |
timestamp integer, | |
UNIQUE (path, timestamp) | |
); | |
SQL | |
today = {} # used to store the changes for today (path => {today => int, total => int}) | |
Dir.glob("#{CONFIG[:base]}/**") do | file_name | | |
path = File.absolute_path(file_name) | |
# ignore the database and this script | |
next if path == File.absolute_path(DB_LOCATION) || path == File.absolute_path(__FILE__) | |
words = 0 | |
file = File.open(path) | |
file.each_line do |line| | |
# fix dodgy encoding so the regexp can run | |
# via http://stackoverflow.com/a/8873922 | |
if String.method_defined?(:encode) | |
line.encode!('UTF-16', 'UTF-8', :invalid => :replace, :replace => '') | |
line.encode!('UTF-8', 'UTF-16') | |
else | |
ic = Iconv.new('UTF-8', 'UTF-8//IGNORE') | |
file_contents = ic.iconv(file_contents) | |
end | |
# skip lines that match the ignore regexp (allows for commenting/annotation) | |
next if line.match(CONFIG[:ignore_regexp]) | |
# count the number of words (tokens seperated by whitespace) | |
words += line.split.size | |
end | |
timestamp = Time.now.getutc.to_i | |
last_word_count = db.execute <<-SQL | |
SELECT words | |
FROM word_count | |
WHERE path = '#{path}' | |
ORDER BY timestamp DESC | |
LIMIT 1,1 | |
SQL | |
prev_day = db.execute <<-SQL | |
SELECT words | |
FROM word_count | |
WHERE path = '#{path}' | |
AND timestamp < '#{Date.today.to_time.getutc.to_i}' | |
ORDER BY timestamp desc | |
LIMIT 1 | |
SQL | |
prev_day_words = prev_day.size > 0 ? prev_day[0][0].to_i : 0 | |
todays_words = words.to_i - prev_day_words.to_i | |
if last_word_count.size == 0 or last_word_count[0][0].to_i != words.to_i then | |
db.execute_batch <<-SQL | |
INSERT INTO word_count (path, words, timestamp) | |
VALUES ('#{path}', '#{words}', '#{timestamp}'); | |
SQL | |
if CONFIG[:update_hook] | |
`"#{CONFIG[:update_hook]}" "#{path}" "#{words}" "#{prev_day_words}"` | |
end | |
end | |
if todays_words > 0 then | |
today[path] = {:today => todays_words, :total => words.to_i} | |
end | |
end | |
total = today.values.map { |f| f[:today] }.reduce(0, :+) | |
remaining = if CONFIG[:goal] | |
CONFIG[:goal] - total | |
end | |
if CONFIG[:summary] | |
summary = CONFIG[:summary_format] % {:today => total} | |
summary << CONFIG[:goal_summary_format] % {:remaining => remaining} if remaining | |
puts summary | |
else | |
header = CONFIG[:header_format] % {:today => total} | |
header << CONFIG[:goal_full_format] % {:remaining => remaining} if remaining | |
puts header | |
puts | |
today.each do |path, words| | |
puts CONFIG[:item_format] % {:path => path, :today => words[:today], :total => words[:total]} | |
end | |
end |
haha heredocs
ha! you're calling out to shell for wc, this really is a bash script in disguise
totally
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sqlite3 wc.db 'select * from word_count
sqlite3 wc.db 'select path,max(words),timestamp,date(timestamp, "unixepoch") from word_count group by path,date(timestamp, "unixepoch") order by timestamp desc '
watch -n 1 ./wc.rb