Reading files is no big deal with bash: you just redirect the input to the script or pipe the output of another command into the script, or you could do it inside the script if the file names are ...

At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: echo "$foo" This ...

Linux 101: What does “sourcing a file” mean in Linux? Your email has been sent Jack Wallen explains the Linux source command by way of an example. Sourcing a file in Linux is a very important concept, ...

In this tutorial, you will learn how to write Bash scripts that run on Ubuntu and encode and package multiple files to HLS/DASH output using open-source tools FFmpeg and Bento4. You’ll learn how to ...

Recently I needed to create a script that processed two input files. By processed I mean that the script needed to get a line from one file, then get a line from the second file, and then do something ...

Bash is fairly easy to install, but using it is another matter. Here are some commands to help IT pros dip their toes in Bash. I have written quite a bit lately about the Bash shell that exists within ...

You need to package up a bunch of files, send them somewhere, and do something with them at the destination. It isn’t an uncommon scenario. The obvious answer is to create an archive — a zip or tar ...

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...