Courses & Videos

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Using the command line might seem outdated by today standards in user interface & user experience.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.

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.

It is not uncommon to have to apply similar changes to a set of many different files. For example, a programmer might want to insert some license text on top of each source file of a project. Or one might want to update the copyright notice on all pages of a static website.