Script

Batch Script Arguments

Learn how Windows Batch scripts read command-line arguments using positional parameters, SHIFT, and path modifiers like %~dp0.

Batch Script Best Practices

Conventions that keep Windows batch files readable, safe, and maintainable — from quoting discipline to structured error handling.

Batch Script Functions with CALL

Learn how to simulate reusable functions in Windows Batch using labeled subroutines invoked with CALL, including parameter passing and local variable scope.

Batch Script Interview Questions

A study guide covering the Windows batch scripting concepts most commonly probed in technical interviews, from variable scoping to error codes.

Batch Script Quick Reference

A condensed lookup of essential Windows batch syntax — variables, control flow, string operations, and exit codes — for day-to-day scripting.

Batch Script Security Considerations

Understand the common security vulnerabilities in Windows batch scripts, hardening techniques, and how tools like AppLocker help control what scripts can run.

Batch Script Syntax Basics

The core syntax rules of batch scripting: variables, delayed expansion, conditionals, and loops.

Common Batch Script Patterns

A catalog of reusable Windows batch scripting idioms — looping over files, parsing command output, handling arguments, and structuring error paths.

Your First Selenium Script

A hands-on walkthrough of writing, running, and understanding a first Selenium WebDriver script in Python.

Building an Automation Script

A walkthrough of designing a real PowerShell automation script end to end, from parameters to scheduled execution.

Script Blocks and Scopes

Understand PowerShell script blocks as first-class values, how scoping (global, script, local, private) governs variable visibility, and how closures capture v…

Your First PowerShell Script

Write, save, and run a real .ps1 script with parameters, control flow, and functions, and understand execution policy before you run it.

Building a Text-Processing Script

Move from ad-hoc one-liners to a maintainable multi-command sed script file, using labels, the hold space, and -f to solve a real data-cleaning task.

Your First Tcl Script

Write, run, and extend a first Tcl script — from a simple puts statement to procedures, control flow, and a minimal Tk GUI.

Building a Signal Processing Script in MATLAB

A step-by-step walkthrough of building a real MATLAB signal-processing pipeline: generating a signal, filtering it, and verifying the result in the frequency d…

Scripts vs Functions

Understand the key differences between MATLAB scripts and functions — workspace behavior, when to use each, and how to convert a script into a reusable functio…

Your First MATLAB Script

How to create, save, and run a MATLAB script file, and the basic building blocks -- comments, output, and simple control flow -- used inside one.

Your First R Script

How to write, structure, and run a complete R script covering variables, a custom function, control flow, and output, both inside RStudio and from the command…

Building a Data Analysis Script in Julia

A walkthrough of building a real data analysis script in Julia using DataFrames.jl, CSV.jl, and Statistics.

Your First Julia Script

How to write, structure, and run a complete Julia script — from functions and control flow to I/O and the standalone-vs-library entry-point convention.

Your First Lua Script

Write, run, and structure a small real Lua script, covering command-line execution, comments, print, and basic input.

Your First Groovy Script

A hands-on introduction to writing, running, and iterating on a Groovy script - from Hello World to command-line arguments and interactive REPL tools.

Your First Perl Script

A hands-on walkthrough of structuring, running, and debugging a complete beginner Perl script that reads, processes, and prints data.

Bash Script Debugging Techniques

Practical techniques for finding and fixing bugs in bash scripts, from tracing execution with set -x to using ShellCheck and traps for structured diagnostics.