tag/bash

Strengthen your Bash knowledge with 17 scripting challenges of varied difficulties

Using the command line might seem outdated by today standards in user interface & user experience. So, why someone might want to learn that ? Because it’s cool and featured in many Hollywood movies ? Maybe. But more seriously, because even today it is incomparably efficient when you have to perform repetitive tasks or deal with lots of files or data.

When you start learning the Bash & Linux Command Line Tools, there are soooo many commands to know. I don’t know if those commands are the most useful. But they are definitely those I use the most often…​

Moving files scattered among several sub-directories could be a boring and time-consuming task if you only rely on your mouse & the graphical user interface of your system.

Moving files scattered among several sub-directories could be a boring and time-consuming task if you only rely on your mouse & the graphical user interface of your system.

Moving files scattered among several sub-directories could be a boring and time-consuming task if you only rely on your mouse & the graphical user interface of your system.

My wife wanted to create a photo-book using a popular web site. Unfortunatelly, the .JPE files produced by our camera were rejected. We had to change their extension to .JPG for the web site to process them. Annoying waste of time ? Not that much if you know the prename command !

If you work with text data files, you might have some cleanup to do before processing them. It can be reordering columns. Discarding unused data. Or fixing formating. Those are tasks the standard tool Awk shines at. So don’t wait to discover it in this video !

Extracting the interesting data from a large dataset is a very common task. For very very VERY large datasets, there are entire frameworks for that.