Bash – Page 8 – CodeRavo

Using Getopts to Parse Command-Line Arguments in Bash

Getopts is a built-in command in Bash that allows you to parse command-line arguments and options. … Using Getopts to Parse Command-Line Arguments in BashRead more

Bash, command-line-arguments, getopts, option-parsing, Scripting

Extracting the Last Component of a Directory Path in Bash

Introduction In many scenarios, you may find yourself needing to extract just the name of the … Extracting the Last Component of a Directory Path in BashRead more

basename, Bash, directory-path, IFS, parameter-expansion, shell-script

Directing Output to Standard Error in Bash

Understanding Standard Output and Standard Error In Unix-like operating systems, every process has three standard file … Directing Output to Standard Error in BashRead more

Bash, echo, error handling, file-descriptors, printf, redirection, shell scripting, shell-functions, stderr, stdout

Writing to Text Files with Bash

Bash provides several ways to write data to text files. In this tutorial, we will explore … Writing to Text Files with BashRead more

Bash, cat, echo, file-descriptors, output-redirection, printf, Text Files

Working with Timestamps in Bash Scripts

When working with bash scripts, it’s often necessary to create timestamps for logging or tracking purposes. … Working with Timestamps in Bash ScriptsRead more

Bash, date-command, formatting, logging, Scripting, timestamp

Text Substitution with Command-Line Tools

Text Substitution with Command-Line Tools Often, when working with files on the command line, you’ll need … Text Substitution with Command-Line ToolsRead more

Bash, Command Line, file-manipulation, find-and-replace, perl, regular expressions, sed, text-substitution

Performing Logical OR Operations for Integer Comparison in Shell Scripting

Introduction to Logical Operators in Shell Scripting When writing shell scripts, you often need to perform … Performing Logical OR Operations for Integer Comparison in Shell ScriptingRead more

arithmetic-evaluation, Bash, integer-comparison, logical-or-operation, shell scripting, short-circuit-behavior, test-construct

Setting the JAVA_HOME Environment Variable on macOS

Setting the JAVA_HOME Environment Variable on macOS The JAVA_HOME environment variable is crucial for many Java-based … Setting the JAVA_HOME Environment Variable on macOSRead more

Bash, configuration, environment-variable, java-development, java-home, JDK, macOS, path, terminal, zsh

String Prefix Checking in Bash

Checking for String Prefixes in Bash This tutorial explains how to determine if a string begins … String Prefix Checking in BashRead more

Bash, case, comparison, conditional, parameter-expansion, prefix, regular-expression, Scripting, string, wildcard

Mastering Bash Output Redirection: Redirecting Both STDOUT and STDERR to a Single File

Introduction In Bash scripting, managing standard output (stdout) and standard error (stderr) efficiently is crucial for … Mastering Bash Output Redirection: Redirecting Both STDOUT and STDERR to a Single FileRead more

Bash, file-descriptors, i-o-redirection, logging, stderr, stdout, tee