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direnv is a nifty open-source extension for your shell on a UNIX operating system such as Linux and macOS. It is compiled into a single static executable and supports shells such as bash, zsh, tcsh, and fish.
Bash-it is a bundle of community Bash commands and scripts for Bash 3.2+, which comes with autocompletion, themes, aliases, custom functions, and more. It offers a useful framework for developing, maintaining and using shell scripts and custom commands for your daily work. If you are using the Bash shell on a daily basis and looking […]
In this article, we will share a number of Bash command-line shortcuts useful for any Linux user. These shortcuts allow you to easily and in a fast manner, perform certain activities such as accessing and running previously executed commands, opening an editor, editing/deleting/changing text on the command line, moving the cursor, controlling processes etc. on […]
When you review all the Awk examples we have covered so far, right from the start of the Awk series, you will notice that all the commands in the various examples are executed sequentially, that is one after the other. But in certain situations, we may want to run some text filtering operations based on […]
All along from the beginning of the Awk series up to Part 12, we have been writing small Awk commands and programs on the command line and in shell scripts respectively. However, Awk, just as Shell, is also an interpreted language, therefore, with all that we have walked through from the start of this series, […]
When we write shell scripts, we normally include other smaller programs or commands such as Awk operations in our scripts. In the case of Awk, we have to find ways of passing some values from the shell to Awk operations. This can be done by using shell variables within Awk commands, and in this part […]
As we uncover the section of Awk features, in this part of the series, we shall walk through the concept of built-in variables in Awk. There are two types of variables you can use in Awk, these are; user-defined variables, which we covered in Part 8 and built-in variables. Awk Built in Variables Examples Built-in […]
In Part 8 of this Awk series, we introduced some powerful Awk command features, that is variables, numeric expressions and assignment operators. As we advance, in this segment, we shall cover more Awk features, and that is the special patterns: BEGIN and END. Learn Awk Patterns BEGIN and END These special features will prove helpful […]
The Awk command series is getting exciting I believe, in the previous seven parts, we walked through some fundamentals of Awk that you need to master to enable you perform some basic text or string filtering in Linux. Starting with this part, we shall dive into advance areas of Awk to handle more complex text […]
In the previous parts of the Awk tool series, we looked at reading input mostly from a file(s), but what if you want to read input from STDIN. In this Part 7 of Awk series, we shall look at few examples where you can filter the output of other commands instead of reading input from […]