"Be sure each child understands both the logic for your decisions and the responsibilities they will encounter upon your ...

Here are some basic skills to get started with bash, one of the best shells for preparing and using scripts on Linux. Scripting in Linux–putting commands into a file so you can run them as a group—is ...

Using a function in bash allows you to create something in Linux that works as if it were a script within a script. Whenever the data being processed matches a set of conditions, your script can call ...

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 ...

Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...

and only files matching my_test_here would make it onto do_something. I love the while-read pattern, but it just doesn't feel right that there's no simpler, built-in, idiomatic way to write a function ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

When you think about it, it's surprising how many programming tasks don't require the use of floating point numbers. If you're an embedded systems programmer, you'd ...