Grabs the error class from the papertrail daily reports

papertrail_error_bucketizer.rb

#!/usr/bin/env ruby

def pbpaste
  `pbpaste`
end

# get the raw text
papertrail_text = pbpaste()

# match for the error types
# An example snippet of a full line below
# SDK Error (AndroidApp - 15.9.2) (CirrusMusic) : exception_class: android.content.res.Resources$NotFoundException: Resource ID #0x112005c,session_id: null|android

# Match for anything that's not a ":" to get the exception class name
matches = papertrail_text.scan(/exception_class: ([^:]*):.*,session_id/)

# bucketize the errors
buckets = {}
for match in matches do
  # Increment the bucket or initialize the bucket with 1
  buckets[match] = (buckets[match]|| 0) + 1
end

# sort the buckets
buckets = buckets.sort_by {|k,v| v}.reverse

buckets.each do |error_name, occurrence|
    puts "Error name: #{error_name[0]}"
    puts "Occurrence: #{occurrence}"
end