Bash – Page 9 – CodeRavo

String Replacement Across Multiple Files in Linux

Replacing Strings in Multiple Files from the Command Line This tutorial demonstrates how to efficiently replace … String Replacement Across Multiple Files in LinuxRead more

Bash, Command Line, file-editing, find, grep, Linux, regular expressions, repren, rpl, sed, string-replacement, xargs

Testing if a Variable is a Number in Bash

In Bash, it’s often necessary to verify whether a variable contains a numeric value. This can … Testing if a Variable is a Number in BashRead more

arithmetic-expansion, Bash, numeric validation, pattern matching, regular expressions, shell scripting

How to List Files in a Directory Using Shell Scripting

Introduction When working with shell scripts, you often need to interact with files and directories. One … How to List Files in a Directory Using Shell ScriptingRead more

Bash, directory, find command, for loop, globbing, hidden-files, list-files, shell scripting

Mastering Single-Line Loops in Bash

Loops are a fundamental construct in programming, allowing you to execute a set of commands repeatedly. … Mastering Single-Line Loops in BashRead more

Bash, for loop, loops, shell scripting, single-line-loops, until-loop, while loop

Redirecting Standard Output and Standard Error in Bash

Redirecting Standard Output and Standard Error in Bash When executing commands in Bash, programs communicate through … Redirecting Standard Output and Standard Error in BashRead more

Bash, file-descriptors, logging, redirection, Scripting, shell scripting, standard-error, standard-output, stderr, stdout

Filtering Lines with `grep`: Excluding Specific Words or Patterns

Filtering Lines with grep: Excluding Specific Words or Patterns The grep command is a powerful tool … Filtering Lines with `grep`: Excluding Specific Words or PatternsRead more

awk, Bash, Command Line, exclude, grep, invert-match, pattern matching, regular expressions, text filtering, text-processing

Setting Environment Variables from a File of Key/Value Pairs in Bash

Introduction In many scripting and development scenarios, managing environment variables effectively is crucial. This becomes especially … Setting Environment Variables from a File of Key/Value Pairs in BashRead more

Bash, config-file, Environment Variables, Export, set-a, shell scripting, source, xargs

Modifying Your Shell Environment on macOS

Modifying Your Shell Environment on macOS Your shell environment is a crucial part of your macOS … Modifying Your Shell Environment on macOSRead more

Bash, bash-profile, configuration, Environment Variables, macOS, path, shell, terminal, zsh, zshenv, zshrc

Controlling Bash Script Behavior with Argument Counts

Understanding Bash Script Arguments Bash scripts are powerful tools for automating tasks. Often, these scripts require … Controlling Bash Script Behavior with Argument CountsRead more

`$PSVersionTable`, arguments, Bash, conditional, error handling, exit-code, parameter-substitution, script, validation

Constructing Complex Conditional Statements in Shell Scripts

Constructing Complex Conditional Statements in Shell Scripts Shell scripts are powerful tools for automating tasks, and … Constructing Complex Conditional Statements in Shell ScriptsRead more

and, Bash, complex-conditions, conditional logic, conditional statements, if-statement, logical-operators, or, shell scripting, shell-script