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log4j logs in color!
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| #!/bin/bash -eu | |
| # | |
| # Color log4j-style logs for easier visual parsing. | |
| # | |
| # Usage: | |
| # put this file in /usr/local/bin | |
| # chmod +x log-color | |
| # tail foo.log | log-color | |
| black="`tput setaf 0; tput bold`" | |
| red="`tput setaf 1; tput bold`" | |
| green="`tput setaf 2; tput bold`" | |
| yellow="`tput setaf 3; tput bold`" | |
| blue="`tput setaf 4; tput bold`" | |
| magenta="`tput setaf 5; tput bold`" | |
| cyan="`tput setaf 6; tput bold`" | |
| white="`tput setaf 7; tput bold`" | |
| off="`tput sgr0`" | |
| exec sed -r " | |
| # Timestamps | |
| s/^\[[0-9]4[^]]*\]/$black\\0$off/ | |
| s/^[0-9]4-[0-9:,/ -]*/$black\\0$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/$blue\\0$off/g | |
| s/\\bTRACE\\b/$cyan\\0$off/g | |
| # Grouped things | |
| s/ \[[^]]+\] \S+ - /$black\\0$off/ | |
| s/ \([a-zA-Z_][a-zA-Z0-9_$.:]*\)$/$black\\0$off/ | |
| " |
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