4 sed 20 regex articles found

Do you know Narcissistic Numbers?

c++, python, C Language, C# Language, Armstrong, Narcissistic, Number Theory, Mathematics, Integers,

A Narcissistic number or otherwise known as a pluperfect digital invariant (PPDI) is a number that is equal to the sum of its digits each raised to the power of the number of its digits, it sort of loves itself (its digits), it is also called Armstrong number ...


tags: c++, python, C Language, C# Language, Armstrong, Narcissistic, Number Theory...


c++, python, C Language, C# Language, Armstrong, Narcissistic, Number Theory, Mathematics, Integers, Continue reading

sed command: A comprehensive guide

space, Linux, command, sed, text editor, pattern, hold, pattern space, hold space, reg ex, regular expressions, search and replace, scripts, sed regex,

sed (short for stream editor) is a great tool to quickly and efficently edit text files, this article is a full tutorial of how to use sed from a beginner level to an advanced one, I believe that this article will show you some of the magic of sed command...


tags: space, Linux, command, sed, text editor, pattern, hold...


space, Linux, command, sed, text editor, pattern, hold, pattern space, hold space, reg ex, regular expressions, search and replace, scripts, sed regex, Continue reading

Linux Directory Tree Structure

Linux, Linux Directory Tree Structure, Filesystem, root, etc, home, proc, var, dev, sudo, srv, usr, sbin,

The Directory Tree Structure of Linux might seem a bit overwhelming at first but once you get used to it you will discover that it is precise and well organized. And it all starts from the root directory...


tags: Linux, Linux Directory Tree Structure, Filesystem, root, etc, home, proc...


Linux, Linux Directory Tree Structure, Filesystem, root, etc, home, proc, var, dev, sudo, srv, usr, sbin, Continue reading

Bash scripting tutorials: part 1 - hello world and variables

Linux, Terminal, bash, programming,

Shell scripting is the language of Linux Command Line, it is the most used language under linux because you can assimilate and use all other languages in your scripts. you can use Python scripts, All the operating system programs and commands, you can even run php scripts right from your terminal or shell scripts....


tags: Linux, Terminal, bash, programming...


Linux, Terminal, bash, programming, Continue reading