Created
February 24, 2013 16:56
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Example of tailing a log file with some colors using grep
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#!/bin/bash | |
# Tail an apache log an put some colors into the output | |
# www.davideg.es | |
shopt -s expand_aliases | |
alias grey-grep="GREP_COLOR='1;30' grep -E --color=always --line-buffered" | |
alias red-grep="GREP_COLOR='1;31' grep -E --color=always --line-buffered" | |
alias green-grep="GREP_COLOR='1;32' grep -E --color=always --line-buffered" | |
alias yellow-grep="GREP_COLOR='1;33' grep -E --color=always --line-buffered" | |
alias cyan-grep="GREP_COLOR='1;36' grep -E --color=always --line-buffered" | |
tail -1000f /var/log/apache2/error.log | grey-grep ".*PerformanceLogger.*|$" | cyan-grep "INFO|$" | yellow-grep "WARN|$" | red-grep "[ERROR].*|[FATAL].*|$" | green-grep "***|$" |
@kevindaus heres most basic example, use as you wish:
tail -f file.log | egrep pattern --line-buffered --color
This is awesome. Thank you!
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can you site more example sir?