kazbek/bin/read_logs.rb

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Ruby
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2025-02-05 10:52:16 +01:00
#!/usr/bin/env ruby
require 'date'
require 'zlib'
require 'pathname'
class Visit
attr_accessor :page, :date
def initialize(match_data)
@date = Date.iso8601 match_data[1]
@page = match_data[2].strip
end
end
def numeric_extension(filename)
if filename.extname == '.gz'
filename.sub_ext('').extname[1..-1].to_i
elsif filename.extname == '.log'
0
else
filename.extname[1..-1].to_i
end
end
entries = Dir.new('log')
.entries
.reject { |entry| entry.start_with? '.' }
.map { |entry| Pathname.new entry }
.sort { |a, b| numeric_extension(b) <=> numeric_extension(a) }
def read_lines(stream)
if ARGV.length > 0
regex = /([0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}).+#{ARGV[0]}(.+) /
else
regex = /([0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2})(.+) /
end
stream
.map { |line| line.match regex }
.reject { |line| line.nil? }
.map { |match_data| Visit.new match_data }
end
lines_in_all_files = entries.flat_map do |log|
log_path = Pathname.new('log') + log
if log_path.extname == '.gz'
File.open log_path.to_s do |file|
read_lines Zlib::GzipReader.new(file).readlines
end
else
read_lines File.readlines(log_path.to_s)
end
end
lines_in_all_files.each do |visit|
puts "#{visit.date.strftime} (#{visit.page})"
end