Colorize logs

colorizeTomcat

#!/usr/bin/env bash

# 
# Usage:
# 
#     catalina.sh run 2>&1 | colorizeTomcat
#     tail -200 catalina.out | colorizeTomcat
# 
# Previous versions:
# 
#     https://gist.github.com/masonwan/7956055
#     https://gist.github.com/ElMesa/374c556283972e96deef
# 

colorizeLine() {

    local color="$1"
    local level="$2"

    colorize "$color" "^.*$level.*"
}

colorize() {

    local color="$1"
    local level="$2"

    ack-grep --flush --nopager --passthru --color --color-match="$color" "$level"
}

colorize red    "ERROR"                 | \
colorize red    "SEVERE"                | \
colorize green  "DEBUG"                 | \
colorize yellow "Deploying|finished"    | \
colorize blue   "INFO"


####################################################################
# Colors available
#
# From Stackoverflow: http://stackoverflow.com/a/9626444
# Thanks to Andy Lester: http://stackoverflow.com/users/8454/andy-lester
# Thanks to Mytho: http://stackoverflow.com/users/225037/mytho
####################################################################
#The recognized normal foreground color attributes (colors 0 to 7) are:
#
#     black  red  green  yellow  blue  magenta  cyan  white
#
#   The corresponding bright foreground color attributes (colors 8 to 15)
#   are:
#
#     bright_black  bright_red      bright_green  bright_yellow
#     bright_blue   bright_magenta  bright_cyan   bright_white
#
#   The recognized normal background color attributes (colors 0 to 7) are:
#
#     on_black  on_red      on_green  on_yellow
#     on_blue   on_magenta  on_cyan   on_white
#
#   The recognized bright background color attributes (colors 8 to 15) are:
#
#     on_bright_black  on_bright_red      on_bright_green  on_bright_yellow
#     on_bright_blue   on_bright_magenta  on_bright_cyan   on_bright_white
#
#   For any of the above listed attributes, case is not significant
####################################################################