Introduction As I was browsing the web and catching up on some sites I visit periodically, I found a cool article from Tom Hayden about using Amazon Elastic Map Reduce (EMR) and mrjob in order to compute some statistics on win/loss ratios for chess games he downloaded from the millionbase archive, a
The Dawn of a new Command Line Interface
disclaimer: this is a technical post aimed at developers being somewhat aware of the problem space. There will be a concluding ‘the day of…’ post aimed at end users where some of the benefits will be demonstrated in a stronger light.
What exactly was the point of [ “x$var” = “xval” ]?
In shell scripting you sometimes come across comparisons where each value is prefixed with “x”. Here are some examples from GitHub: I’ll call this the x-hack.
Building A Personalized Newsletter With Bash And A Raspberry Pi
I use Pinboard to save articles I’ve read and, increasingly, to save articles I want to read. That said I rarely go back and actually read things once they disappear into the Pinboard void. This isn’t an uncommon problem, I know, but I think I’ve devised a simple solution.
Bash Scripting: Everything you need to know about Bash-shell programming
Bash (AKA Bourne Again Shell) is a type of interpreter that processes shell commands. A shell interpreter takes commands in plain text format and calls Operating System services to do something. For example, ls command lists the files and folders in a directory.
30 Bash Script Examples
This article will help you to get the basic idea on bash programming. Most of the common operations of bash scripting are explained with very simple examples