Highlight log information using awk. Match format like: xxxx [debug] xxxxx xxxx xxxx

highlight-sample.sh

black=30m
red=31m
green=32m
yellow=33m
blue=34m
magenta=35m
cyan=36m
white=37m

blacklog="\"\033[$black\" \$0 \"\033[39m\""
redlog="\"\033[$red\" \$0 \"\033[39m\""
greenlog="\"\033[$green\" \$0 \"\033[39m\""
yellowlog="\"\033[$yellow\" \$0 \"\033[39m\""
bluelog="\"\033[$blue\" \$0 \"\033[39m\""
magentalog="\"\033[$magenta\" \$0 \"\033[39m\""
cyanlog="\"\033[$cyan\" \$0 \"\033[39m\""
whitelog="\"\033[$white\" \$0 \"\033[39m\""

trace="/\[trace\]/ {print $redlog}"
debug="/\[debug\]/ {print $magentalog}"
info="/\[info\]/ {print $greenlog}"
warning="/\[warning\]/ {print $bluelog}"
error="/\[error\]/ {print $yellowlog}"

command | awk "$trace $debug $info $warning $error"