Tail logs with color for Monolog

Tail logs with color for Monolog

#1. Copy/paste the below lines in your .bashrc

tailf-with-colors () {
    if [ -z "$1" ] ; then
        echo "Please specify a file for monitoring"
        return
    fi

    tail -f $1 | awk '
                {matched=0}
                /INFO:/    {matched=1; print "\033[0;37m" $0 "\033[0m"}   # WHITE
                /NOTICE:/  {matched=1; print "\033[0;36m" $0 "\033[0m"}   # CYAN
                /WARNING:/ {matched=1; print "\033[0;34m" $0 "\033[0m"}   # BLUE
                /ERROR:/   {matched=1; print "\033[0;31m" $0 "\033[0m"}   # RED
                /ALERT:/   {matched=1; print "\033[0;35m" $0 "\033[0m"}   # PURPLE
                matched==0           {print "\033[0;33m" $0 "\033[0m"}   # YELLOW
        '
}

#2. Run source ~/.bashrc -- to reload 

#3. Run tailf-with-colors <filename>

For more information about bash colors see https://wiki.archlinux.org/index.php/Color_Bash_Prompt

Here is a forked version that allows you to pass arbitary parameters to the command, instead of being limited to just a filename :)

https://gist.github.com/Loupax/ec45752a5c630f7bda55

Nice