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log4j logs in color!
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#!/bin/bash -eu | |
# | |
# Color log4j-style logs for easier visual parsing. | |
# | |
# Usage: | |
# tail foo.log | log-color | |
# run-service | log-color | |
export TERM=xterm-256color | |
black="` tput setaf 0; tput bold`" | |
red="` tput setaf 1; tput bold`" | |
green="` tput setaf 2; tput bold`" | |
yellow="` tput setaf 3; tput bold`" | |
bluebold="` tput setaf 4; tput bold`" | |
blue="` tput setaf 4; tput bold`" | |
lightblue="` tput setaf 27; tput bold`" | |
magenta="` tput setaf 5; tput bold`" | |
cyan="` tput setaf 6; tput bold`" | |
white="` tput setaf 7; tput bold`" | |
lightgrey="$(tput setaf 240)" | |
#off="` tput sgr0`" | |
off="` echo -ne "[m\x0f"`" # (Works better on both osx and linux...) | |
exec sed -r " | |
# Timestamps | |
s/^\[[0-9]{4}[^]]*\]/$lightgrey\\0$off/ | |
s/^[0-9]{4}-[0-9:,/ -]*/$lightgrey\\0$off/ | |
# Log levels | |
s/\\b(FATAL|CRITICAL).*\\b/$magenta\\0$off/g | |
s/\\bERROR.*\\b/$red\\0$off/g | |
s/\\bWARN(ING)?.*\\b/$yellow\\0$off/g | |
s/\\bINFO.*\\b/$green\\0$off/g | |
s/\\bDEBUG.*\\b/$lightblue\\0$off/g | |
s/\\bTRACE.*\\b/$cyan\\0$off/g | |
# Grouped things | |
s/ \[[^]]+\] \S+ - /$lightgrey\\0$off/ | |
s/ \([a-zA-Z_][a-zA-Z0-9_$.:]*\)$/$lightgrey\\0$off/ | |
" |
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Attached is an example of an activemq log using this script like so