parameter-expansion – CodeRavo

String Replacement Techniques in Shell Scripts Using Variables

Introduction String manipulation is a fundamental task in shell scripting. One common requirement is to replace … String Replacement Techniques in Shell Scripts Using VariablesRead more

Bash, parameter-expansion, sed-command, shell scripting, string-replacement, variable-substitution

Extracting Directory Paths from File Paths in Bash

Extracting the directory path from a file path is a common task in shell scripting, particularly … Extracting Directory Paths from File Paths in BashRead more

basename, Bash, directory-path, dirname, file path, parameter-expansion, readlink, Symbolic Links

Extracting File Basenames Without Paths and Extensions Using Bash

Introduction When working with file paths in shell scripts, you might encounter situations where you need … Extracting File Basenames Without Paths and Extensions Using BashRead more

Bash, Bash scripting, extended-globbing, file-basename-extraction, parameter-expansion, shell scripting

String Trimming in Bash: Removing Characters from the End

Bash provides several ways to manipulate strings, including removing characters from the end. This tutorial covers … String Trimming in Bash: Removing Characters from the EndRead more

Bash, parameter-expansion, remove-characters, shell scripting, string manipulation, string-trimming, substring

Extracting Text Between Patterns with Sed, Grep, and Bash

Extracting specific parts of text from a string or file is a common task in scripting … Extracting Text Between Patterns with Sed, Grep, and BashRead more

Bash, grep, look-ahead-assertions, parameter-expansion, pattern-extraction, regular expressions, sed

Calculating String Length in Bash

In Bash, calculating the length of a string can be achieved through various methods. This tutorial … Calculating String Length in BashRead more

Bash, parameter-expansion, performance, printf command, string-length, wc-command

String Manipulation: Removing Prefixes and Suffixes in Bash

Bash provides powerful built-in features for string manipulation, making it easy to remove prefixes and suffixes … String Manipulation: Removing Prefixes and Suffixes in BashRead more

Bash, parameter-expansion, prefix, sed, shell scripting, string manipulation, string-processing, suffix

Working with Environment Variables in Shell Scripts

Environment variables are a fundamental concept in shell scripting, allowing you to store and retrieve values … Working with Environment Variables in Shell ScriptsRead more

Bash, default-values, Environment Variables, parameter-expansion, shell scripting

Default Values for Shell Variables in Bash

Bash provides powerful mechanisms for assigning default values to variables, simplifying script logic and making code … Default Values for Shell Variables in BashRead more

Bash, command-line-arguments, default-values, error handling, null, parameter-expansion, shell scripting, Unset, variables

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