Bash – Page 7 – CodeRavo

Heredocuments in Bash: Multi-Line Strings and Input Redirection

Bash provides a powerful mechanism called heredocuments (often shortened to "heredocs") to define multi-line strings and … Heredocuments in Bash: Multi-Line Strings and Input RedirectionRead more

Bash, Command Line, heredoc, heredocument, input-redirection, multi-line-strings, psql, shell scripting, standard-input, variable-expansion

String Manipulation and Substitution in Bash Scripts

Introduction Working with strings is a common task in shell scripting, particularly when you need to … String Manipulation and Substitution in Bash ScriptsRead more

Bash, global-substitution, parameter-expansion, sed, shell scripting, string manipulation, substring-replacement

Reloading Shell Configuration Files

Introduction to Shell Configuration Files Shell configuration files, such as .bashrc, play a crucial role in … Reloading Shell Configuration FilesRead more

alias, Bash, configuration, exec, reload, shell, source

Understanding Boolean Variables in Shell Scripts

Welcome to this guide on how to effectively declare, use, and evaluate Boolean variables within shell … Understanding Boolean Variables in Shell ScriptsRead more

Bash, boolean-variables, conditional statements, explicit-comparison, quoting-variables, shell scripting, test command

Looping with Numeric Ranges in Bash

Looping with Numeric Ranges in Bash Bash scripting often requires iterating over a sequence of numbers. … Looping with Numeric Ranges in BashRead more

arithmetic-expansion, Bash, efficiency, for loop, loop, numeric-range, portability, Scripting, seq, shell, while loop

Managing Environment Variables: Creation, Exportation, and Deletion

Introduction Environment variables are a fundamental aspect of operating system interaction within shell environments like Bash … Managing Environment Variables: Creation, Exportation, and DeletionRead more

Bash, c-shell, Environment Variables, Export, Linux, macOS, setenv, shell scripting, Unset, unsetenv, windows

Counting Lines in Text Files from the Command Line

Counting Lines in Text Files from the Command Line Often, when working with text files – … Counting Lines in Text Files from the Command LineRead more

awk, Bash, Command Line, file-processing, grep, line-count, Linux, sed, terminal, Text Files, wc

Parsing Command Line Arguments in Bash

Parsing command line arguments is a crucial aspect of writing robust and flexible shell scripts. In … Parsing Command Line Arguments in BashRead more

Bash, command-line-arguments, getopt, getopts, Scripting

Reading a File Line by Line in Bash

In this tutorial, we’ll explore how to read a file line by line in Bash and … Reading a File Line by Line in BashRead more

Bash, file reading, read command, text-processing, while loop

Styling Terminal Output with ANSI Escape Codes

The Linux terminal, while powerful, often presents information in a basic, monochrome format. However, you can … Styling Terminal Output with ANSI Escape CodesRead more

ANSI escape codes, Bash, color, Linux, terminal-styling