Camel/Snake case convert

snake_camel_convert

#! /bin/bash
name=$1

if [[ "$name" =~ [A-Z] ]]; then
        # convert camel case to snake case
        echo $name | sed -r 's/([A-Z])/_\L\1/g' | sed 's/^_//g'
else
        # convert snake case to camel case
        echo $name | sed -r 's|_([a-z])|\U\1|g'
        echo $name | sed -r 's|_([a-z])|\U\1|g' | sed 's|^\([a-z]\)|\u\1|'
fi