A gawk script for tailing Rails 2.3.x logfiles to show more condensed output

rails_log_tailer.gawk

#!/usr/bin/env gawk
# rails_log_tailer.gawk
# usage: tail -f log/production.log | gawk -f rails_log_tailer.gawk
# This gives you a nice condensed 1 line output from the Rails logfile

BEGIN { RS = "" }

/^Processing/ {
    match($0, /Processing ([a-zA-Z#]+)/, processing)
    match($0, /Completed in ([0-9]+)ms \((View: [0-9]+, )?DB: ([0-9]+)\) \| ([0-9]+) [a-zA-Z]+ \[(.*)\]/, completed)
    match(completed[2], /View: ([0-9]+)/, view)

    printf "%3s %4sms %-30s %4sms %4sms %s\n", completed[4], completed[1], processing[1], view[1], completed[3], completed[5], completed[6]
}