Bash best practices

[microsoft]

Bash best practices

[jjcollinge]

including when not to use bash and use something like Python... In the spirit of openness Google's style guide is a good reference: https://google.github.io/styleguide/shell.xml

[lawrencegripper]

100% agree, bash is the common choice but it doesn't mean it's the right choice. We focused on using python lots with OpenCGA as it gave better readability and test-ability for scripts examples.

[fnocera]

We have added a bash code review section here please let me know if this addresses needs or if we require additional content.

[lawrencegripper]

Yes LTGM - I've added the ready to go snippet for including in ADO too: #76