Scripting

What Is Batch Scripting?

An introduction to what Windows batch scripting is, where it came from, and when to use it.

BeanShell and JSR223 Scripting

Learn how JMeter's scripting elements let you inject custom Java-like or Groovy logic into a test plan, and why JSR223 with Groovy has replaced BeanShell as th…

JMeter vs Gatling vs k6

A practical comparison of JMeter, Gatling, and k6 across scripting model, performance, protocol support, and CI/CD reporting to help choose the right load test…

What Is PowerShell?

An introduction to PowerShell as Microsoft's object-oriented shell and scripting language, covering what sets it apart from traditional command-line tools.

AWK Scripting for Report Generation

Using AWK's BEGIN/END blocks, printf formatting, and associative arrays to turn raw tabular data into clean, aligned, human-readable reports.

Expect and Automation Scripting

Learn how the Expect extension drives interactive command-line programs — logins, prompts, and legacy tools — programmatically using pattern-based dialogue con…

Tcl for EDA and Scripting Tools

Understand why Tcl became the standard scripting glue for EDA tools like Synopsys and Cadence, and how to write scripts that drive simulation, synthesis, and p…

Lua and Embedded Scripting

Why Lua's small, sandboxable runtime made it a favorite embedded scripting language across networking, databases, and system tools like OpenResty, Redis, and W…

Groovy Scripting for Automation

Learn how to use Groovy as a scripting language for file processing, running system commands, parsing command-line arguments, and building automation tools.

Advanced awk Scripting

Go beyond simple field printing to use awk's associative arrays, user-defined functions, BEGIN/END blocks, and multiple field separators for real text-processi…

Advanced sed Scripting

Move past basic search-and-replace to use sed's address ranges, hold space, branching, and in-place editing for multi-line, stateful text transformations.

Bash Scripting Interview Questions

A study guide of common bash scripting interview questions covering quoting, process substitution, exit codes, and debugging, with the reasoning behind each an…

Defensive Bash Scripting

Techniques for writing bash scripts that fail safely, validate their inputs, and avoid the common footguns that turn a small bug into a production incident.

Cross-Site Scripting (XSS) Explained

Understand how attackers inject malicious scripts into web pages viewed by other users, and the three major categories of XSS: stored, reflected, and DOM-based.

Cross-Site Scripting (XSS)

Stored, reflected, and DOM-based XSS explained, with output encoding and CSP as the core defenses.

Common Shell Scripting Pitfalls

A field guide to the mistakes that silently break Bash scripts — unquoted variables, wrong test operators, subshell scoping, and error-handling gaps.

Linux & Shell Scripting Interview Questions

A curated set of frequently asked Linux and Bash interview questions with model answers, spanning fundamentals, scripting, and troubleshooting scenarios.