Shell Script 101
- http://www.macs.hw.ac.uk/~hwloidl/Courses/LinuxIntro/x864.html
- http://www.tldp.org/LDP/abs/html/sha-bang.html#EX1
- http://www.tldp.org/LDP/abs/html/comparison-ops.html
- http://www.thegeekstuff.com/2010/06/bash-conditional-expression/
- Text to ASCII art, http://patorjk.com/software/taag/
- Bash CheatSheet, https://gist.github.com/LeCoupa/122b12050f5fb267e75f
- REST API Using BASH Automation, http://www.ovirt.org/develop/api/rest-api/rest-api-using-bash-automation/
- ANSI code, https://en.wikipedia.org/wiki/ANSI_escape_code
- http://www.tldp.org/LDP/abs/html/io-redirection.html
- tput, http://linuxcommand.org/lc3_adv_tput.php
- Traps, http://tldp.org/LDP/Bash-Beginners-Guide/html/sect_12_02.html
- The library defines verbal constants and functions for terminal colors, https://github.com/maxtsepkov/bash_colors
- Quick-Start: Regex Cheat Sheet, http://www.rexegg.com/regex-quickstart.html
- Unix - Regular Expressions with SED, https://www.tutorialspoint.com/unix/unix-regular-expressions.htm