amazon media file explorer download upload index folder image licenses menu widget Play Pause profile-settings more dots-two-horizontal dots-two-vertical more-vertical pending google-plus hangouts facebook instagram whatsapp spotify telegram twitter vine renren rss youtube twitch vimeo flickr dribble behance deviantart 500px steam github soundcloud skype reddit linkedin lastfm delicious stackoverflow pinterest xing flattr foursquare yelp World

Bash Programming

OMG! Finally, I am getting into scripting ;) I have always wanted to know some basic scripting to automate my system admin workload, and finally, I have decided to dive into that realm, enjoy my bash tutorials.
  • sed (Stream Editor) In Bash Scripting

    Another powerful filter in GNU/Linux is sed (stream editor), which is a program for performing basic editing tasks on the output of another program or on a file. sed or stream editor can be used to p

  • awk In Bash Scripting

    Up until now, we have covered a couple of text processing, from sed to grep to sort, and now we have the big daddy, which is awk. awk (which stands for Aho, Weinberger, and Kernighan - its creators)

  • (Bash Script) Automate Multiple Classicpress & Wordpress Installation + [Caching and SSL]

    (Bash Script) Automate Multiple Classicpress & Wordpress Installation + [Caching and SSL]

    If you are tired of using control panels (I am because they are mostly not secure, and most comes loaded with bundles of useless stacks), and want to do everything on the server level, I wrote a menu

  • Functions in Bash

    Functions are modular building blocks for creating powerful and modular scripts, using function makes it easy to isolate a code since it would be in a single building block, which would be isolated f

  • grep (Regular Expression) In Bash Scripting

    We recently discussed filters in bash scripting, in this guide we would look more into the practical usage of using a filter program, and an example of such a program is grep. grep, in its simplest f

  • Sort in Bash Scripting

    We recently just looked at grep in bash scripting, and another commonly used program in bash scripting is the program called sort. Sort is a simple filter that is used to sort lines of text from its

  • Returning Values From Functions in (Bash)

    In the guide function in bash, we dive deep in bash functions and we also pass some information into the functions to carry out a certain operation. In this guide, I'll show you how to get informatio

  • Understanding The Four (4) Ways Command-Line Runs Shell Script

    Sometimes we need to think like the command line shell in order to understand how things are done in the background, this would make debugging a breeze. In this guide, you would learn all the variou

  • Text Processing (Filters) In Bash Scripting

    Ever wondered if you could quickly do some text processing in a bash script, for example, you can analyze a text or sort the output of a text, and provide it in a more meaningful way. The good thing

  • Iterating With Loops (Bash)

    Iterating With Loops (Bash)

    Imagine having to edit 10,000 lines of text within a CSV file, this would be a shit load of work if done manually, which is where looping comes in. When a task or a series of tasks needs to be repeat

  • Using Case Statements in Bash

    Using Case Statements in Bash

    We previously looked at looping in bash, and creating conditional statements using if and else but there are cases where using case statements makes the logic simpler, and clearer. This is the basic

  • Bash Script For Optimizing ClassicPress & WordPress Images in Bulk

    Bash Script For Optimizing ClassicPress & WordPress Images in Bulk

    Out of frustration of the way different plugin optimizes images (which is super limited, and not effective; it has never been for me)in the WordPress world, I decided to create a script that does it

  • Script to Replace/substitute Multi Occurrences of A String in Files

    Script to Replace/substitute Multi Occurrences of A String in Files

    There are a couple of ways you can replace a string in a file, and an example is using the mv command, but what if you want to replace multiple strings at once, then you might consider creating a loo

  • Creating Multiple Menus in Bash Scripts

    Creating Multiple Menus in Bash Scripts

    I have been writing a couple of scripts now for different use cases, wouldn't it be handy to build a menu which will provide a list of command select to choose from? e.g It can contain all sorts of s

  • Suppressing Sensitive Entered Text/String In Bash

    Suppressing Sensitive Entered Text/String In Bash

    So far in our examples or scripts, we have written in the previous guides, we have no way of controlling what is visible to user, which is fine if we have no sensitive data such as passwords. As soon

  • Simple Conditional Execution With (Command Lists)

    Simple Conditional Execution With (Command Lists)

    We've previously explored a little of a command list in our Getting Started with Bash Guide, where we check if a directory already existed in our user home directory, if it already exists, output “

  • Check If Variable Is Not Empty [isset] (Bash)

    Check If Variable Is Not Empty [isset] (Bash)

    In the getting started with bash guide, we took a sneak peek in customizing script with argument, the issue with the example is that we aren't checking if the variable is set or not before returning

  • Test Shell Builtin Command

    Test Shell Builtin Command

    The test command can be a shell builtin or file executable (if you specify the full path to the file) that is used for file comparison, it returns a status of 0 (true) or 1 (false) depending on the

  • Creating Conditional Statements Using if And Else (Bash)

    Creating Conditional Statements Using if And Else (Bash)

    We have recently explored command-line list, we also dived into the test shell builtin command, which can not only be used to check file types but can also be used to compare values. The issue with u

  • Local Variable, Typset and The Declare Command In Bash

    Local Variable, Typset and The Declare Command In Bash

    Local variables are private inside of a function and the most important thing about a local variable is that when it is changed in a function, it doesn't affect the variable outside of a function. If