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SQLcl on Bash on Ubuntu on Windows

I’m running my laptop on Windows, which may sound weird, but Linux is unfortunately not an option when you exchange Microsoft Word documents, manage your e-mails and calendar with Outlook and present with Powerpoint using dual screen (I want to share on the beamer only the slides or demo screen, not my whole desktop). However, I have 3 ways to enjoy GNU/Linux: Cygwin to operate on my laptop, VirtualBox to run Linux hosts, and Cloud services when free trials are available.

Now that Windows 10 has a Linux subsystem, I’ll try it to see if I still need Cygwin.
In a summary, I’ll still use Cygwin, but may prefer this Linux subsystem to run SQLcl, the SQL Developer command line, from my laptop.

Shell Tricks

DBAs from time to time must write shell scripts. If your environment is strictly Windows based, this article may hold little interest for you.

Many DBAs however rely on shell scripting to manage databases. Even if you use OEM for many tasks, you likely use shell scripts to manage some aspects of DBA work.

Lately I have been writing a number of scripts to manage database statistics - gathering, deleting, and importing exporting both to and from statistics tables exp files.

Years ago I started using the shell builtin getopts to gather arguments from the command line. A typical use might look like the following:

while getopts d:u:s:T:t:n: arg
case $arg in