tag/command-line-tools

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…​

Sed is really a great tool to filter & transform text — but the syntax is not always easy. Whether you’re a beginner or a more advanced user looking for a memory aid, this cheatsheet will help you remember the basic sed commands.

I don’t know why, but I always forget the tar option for xz compressed archives is the upper J. If you’re like me, this downloadable infography will be of great help !

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.