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Regular Expression to Parse Ruby Log Messages

/ Published in: Ruby
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  1. # parse ruby log message
  2. # customize as needed
  3. LOG_EXPRESSION = /([\w]+),\s+\[([^\]\s]+)\s+#([^\]]+)]\s+(\w+)\s+--\s+(\w+)?:\s+(.+)/
  4.  
  5. # sample log output from this call:
  6. #   logger.info("Ubiquitously") { "[dequeud] #{JSON.generate(params)}"}
  7. string = 'I, [2010-08-15T16:16:46.142801 #81977]  INFO -- Ubiquitously: {"title":"Google","url":"google.com","tags":"search, google, api","services":["meta_filter","mixx"],"description":"a search engine!"}'
  8.  
  9. sample_output.gsub(LOG_EXPRESSION) do |match|
  10.   severity  = $1
  11.   date      = $2 # Time.parse(date)
  12.   pid       = $3
  13.   label     = $4
  14.   app       = $5
  15.   message   = $6
  16. end

URL: regular-expression-to-parse-ruby-log-messages

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