TL;DR:

Highlights each word/regex in a diferent color.

# import hi
source ./hi.sh

# call it over a pipe and pass one or more word/regex
cat examples/input.txt | hi over [0-9]+

What is hi

hi is a pure-bash, regex-enabled, multi-pattern highlighter ready to be use directly in the terminal, making it easier to spot relevant pieces of information.

Usage:

<some_command> | hi REGEX [ REGEX ... ]

REGEX    Bash style regular expression. 

Examples:

ping -c 4 127.0.0.1 | hi from

ping -c 4 127.0.0.1 | hi [0-9]+

ping -c 4 127.0.0.1 | hi from bytes [0-9]+
 
ping -c 4 127.0.0.1 | hi ttl "[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+"

Running unit tests

sudo apt-get install shunit2

bash ./unit_test.sh